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WO2019135598A1 - Procédé de commande pour dispositif de diagnostic par ultrasons, et dispositif de diagnostic par ultrasons - Google Patents

Procédé de commande pour dispositif de diagnostic par ultrasons, et dispositif de diagnostic par ultrasons Download PDF

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Publication number
WO2019135598A1
WO2019135598A1 PCT/KR2019/000038 KR2019000038W WO2019135598A1 WO 2019135598 A1 WO2019135598 A1 WO 2019135598A1 KR 2019000038 W KR2019000038 W KR 2019000038W WO 2019135598 A1 WO2019135598 A1 WO 2019135598A1
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WO
WIPO (PCT)
Prior art keywords
ultrasound
image
value
ultrasound image
interest
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2019/000038
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English (en)
Korean (ko)
Inventor
이기태
이연주
이종립
김대환
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Samsung Medison Co Ltd
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Samsung Medison Co Ltd
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Publication date
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Publication of WO2019135598A1 publication Critical patent/WO2019135598A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/5207—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of raw data to produce diagnostic data, e.g. for generating an image
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Clinical applications
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
    • A61B8/461—Displaying means of special interest
    • A61B8/465—Displaying means of special interest adapted to display user selection data, e.g. icons or menus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
    • A61B8/467—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means
    • A61B8/469—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means for selection of a region of interest
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/54—Control of the diagnostic device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/56—Details of data transmission or power supply

Definitions

  • the present disclosure relates to a control method of an ultrasonic diagnostic apparatus, an ultrasonic diagnostic apparatus, and a computer program product including a computer-readable recording medium recording a program for causing the computer to execute the method.
  • the ultrasound diagnostic apparatus irradiates an ultrasound signal generated from a transducer of a probe to a target object and receives information of a signal reflected from the target object to obtain information on a site inside the target object (for example, soft tissues or blood flow) At least one image is obtained.
  • a high level of expertise is required for the operation of the ultrasonic diagnostic apparatus for obtaining the ultrasound image and the reading of the ultrasound image. Accordingly, a person who shoots an ultrasound image and a person who reads an ultrasound image are mostly divided. For example, a sonographer who specializes in ultrasound imaging and a doctor who diagnoses a patient based on the ultrasound images are distinguished.
  • a method has been introduced in which a person who reads an ultrasound image from a remote location while an ultrasound diagnostic device captures an ultrasound image confirms the ultrasound image in real time.
  • a sonographer observes an ultrasound image photographed by a patient using an ultrasonic diagnostic apparatus at a remote site in real time and provides a guide. The surgeon can watch the ultrasound image transmitted in real time remotely and request the sonographer (or ultrasound diagnostic apparatus) to capture an instantaneous ultrasound image necessary for diagnosis of the patient or to set an area of interest.
  • the ultrasound image is transmitted from the ultrasound diagnostic apparatus to a physician remotely via the network in real time
  • the ultrasound image is compressed and transmitted in order to reduce the load on the network.
  • the resolution or the frame rate per second of the compressed image is lower than the resolution or the frame per second of the ultrasound image obtained first.
  • a frame rate of at least 60 fps (Frame per second) is required.
  • a high-quality image is required. Accordingly, there is a need for a method of transmitting an ultrasound image including a region of interest while satisfying the condition of the ultrasound image necessary for diagnosis of a doctor at a remote place.
  • the disclosed embodiments provide an ultrasound diagnostic apparatus control method and an ultrasound diagnostic apparatus that can provide an ultrasound image to a client apparatus that satisfies an image quality required for diagnosis and a frame rate per second condition in a client apparatus in consideration of a current network environment .
  • the disclosed embodiments provide a control method of an ultrasonic diagnostic apparatus and an ultrasonic diagnostic apparatus that provide a guide to determine an appropriate region of interest in consideration of a current network environment when the user intends to adjust the region of interest.
  • the disclosed embodiments provide an ultrasonic diagnostic apparatus control method and ultrasonic diagnostic apparatus capable of increasing transmission efficiency and reducing network load by transmitting only ultrasonic image data of a region of interest necessary for diagnosis to a client apparatus.
  • an ultrasound diagnostic apparatus comprising: an ultrasound diagnostic apparatus that acquires an ultrasound image based on ultrasound image data of a communication unit and a target object and changes an ROI in the ultrasound image (Fps) value and an image quality value based on the position and size of the changed region of interest, and based on the value of the number of frames per second and the image quality value, And a processor for acquiring a cropped ultrasound image based on the ultrasound image data and transmitting the ultrasound image cropped through the communication unit to the client apparatus.
  • an ultrasound diagnostic apparatus that acquires an ultrasound image based on ultrasound image data of a communication unit and a target object and changes an ROI in the ultrasound image (Fps) value and an image quality value based on the position and size of the changed region of interest, and based on the value of the number of frames per second and the image quality value
  • a processor for acquiring a cropped ultrasound image based on the ultrasound image data and transmitting the ultrasound image cropped through the communication unit to the client apparatus.
  • the client apparatus with an ultrasound image that satisfies the image quality required for diagnosis and the frame rate per second in the client apparatus in consideration of the current network environment.
  • FIG. 1 is a block diagram showing the configuration of an ultrasonic diagnostic apparatus according to an embodiment of the present invention.
  • FIGS. 2A to 2C are views showing an ultrasonic diagnostic apparatus according to an embodiment.
  • FIG. 3 is a block diagram illustrating the configuration of an ultrasound diagnostic apparatus according to an embodiment of the present invention.
  • FIG. 4 is a view for explaining an operation of transmitting an ultrasound image to a client apparatus by the ultrasound diagnostic apparatus according to an embodiment.
  • FIG. 5 is a diagram for explaining an operation of transmitting an ultrasound image corresponding to a region of interest to a client apparatus according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of a method of controlling an ultrasonic diagnostic apparatus according to an embodiment of the present invention.
  • FIG. 7 illustrates an ultrasound image displayed on a client device according to an exemplary embodiment of the present invention.
  • 8A and 8B illustrate an ultrasound image displayed on a client device according to an embodiment.
  • 9A and 9B illustrate an ultrasound image displayed on a client device according to an embodiment.
  • FIG. 10 is a view for explaining an operation of transmitting an ultrasound image and a background image corresponding to a region of interest to a client apparatus according to an embodiment of the present invention.
  • FIG. 11 is a view for explaining an ultrasound image and a background image corresponding to a region of interest displayed on a client device in an embodiment.
  • FIG. 12 is a diagram for explaining an ultrasound image and a background image corresponding to a region of interest displayed on a client device in an embodiment.
  • FIG. 13 is a flowchart illustrating an operation of the ultrasound diagnostic apparatus and the client apparatus according to an embodiment.
  • the ultrasonic diagnostic apparatus may be configured to acquire an ultrasound image based on ultrasound image data of a communication unit and a target object, receive an input to change an ROI in the ultrasound image, (Fps) value and an image quality value, and acquires a cropped ultrasound image based on the ultrasound image data corresponding to the changed ROI according to the frame number value per second and the image quality value
  • a processor for controlling the ultrasound image to be transmitted through the communication unit to be transmitted to the client apparatus.
  • the processor may control to simultaneously display a cropped ultrasound image with at least one of a frame number value per second and an image quality value.
  • a processor in accordance with an embodiment may update at least one indicator indicative of a region of interest and at least one of a frame value per second and an image quality value in response to the region of interest being changed.
  • the processor may change at least one of the frame number value per second and the image quality value based on the image data transmission / reception speed of the communication unit.
  • the processor according to one embodiment, controls the display of the processor.
  • the processor in accordance with one embodiment may control to display a plurality of values for at least one of the obtained number of frames per second value and image quality value and a plurality of indicators representing a plurality of regions of interest together.
  • the processor may fix one of the frame rate value and the image quality value per second to a predetermined value and change the other value.
  • the processor may transmit the still image data for the remaining region excluding the region of interest of the ultrasound image to the client apparatus through the communication unit.
  • the processor can control the client device to transmit the moving image data for the remaining region except for the region of interest of the ultrasound image through the communication portion.
  • the resolution of the moving image according to one embodiment is smaller than the resolution of the cropped ultrasound image Can be low.
  • a processor in accordance with one embodiment may control to display at least one of a frame number value per second and an image quality value conforming to a predetermined criterion based on a radiography protocol and a region of interest such that it conforms to a predetermined criterion .
  • a method of controlling an ultrasound diagnostic apparatus comprising: obtaining an ultrasound image based on ultrasound image data of a target object; Receiving an input that alters a region of interest (ROI) within the ultrasound image; Changing at least one of a frame value per second and an image quality value based on the position and size of the changed ROI; Obtaining a cropped ultrasound image based on ultrasound image data corresponding to a changed region of interest, in accordance with a frame number value per second and an image quality value; And transmitting the ultrasound image cropped through the communication unit to the client apparatus.
  • ROI region of interest
  • the computer program product may include a computer-readable recording medium having recorded thereon a program for causing a computer to execute a control method of the ultrasonic diagnostic apparatus.
  • module or “unit” may be embodied in software, hardware or firmware, or a combination of two or more thereof, and may include a plurality of “modules” or " It is also possible that one "module” or “subpart” includes a plurality of elements.
  • the image herein may include a medical image acquired by a medical imaging device, such as a magnetic resonance imaging (MRI) device, a computed tomography (CT) device, an ultrasound imaging device, or an x-ray imaging device.
  • a medical imaging device such as a magnetic resonance imaging (MRI) device, a computed tomography (CT) device, an ultrasound imaging device, or an x-ray imaging device.
  • the term " object " may include a person, an animal, or a part thereof as an object of photographing.
  • the object may comprise a part of the body (organ or organ) or a phantom.
  • &quot ultrasound image " in the entire specification refers to an image of a target object that is transmitted to a target object and processed based on an ultrasound signal reflected from the target object.
  • the term 'client device' refers to a device such as a smart phone, a tablet PC, a PC, a smart TV, a mobile phone, a personal digital assistant (PDA), a laptop, a media player, an electronic book terminal, a digital broadcasting terminal, And other mobile or non-mobile computing devices.
  • the client device may be a wearable device such as a clock, eyeglasses, hair bands, and rings with communication and data processing capabilities.
  • the present invention is not limited thereto, and the client apparatus may include all kinds of devices capable of receiving ultrasound images from the ultrasound diagnostic apparatus and displaying the received ultrasound images.
  • FIG. 1 is a block diagram showing a configuration of an ultrasonic diagnostic apparatus 100 according to an embodiment.
  • the ultrasonic diagnostic apparatus 100 includes a probe 20, an ultrasonic transmission / reception unit 110, a control unit 120, an image processing unit 130, a display unit 140, a storage unit 150, a communication unit 160 And an input unit 170.
  • the input unit 170 may include a plurality of input units.
  • the ultrasonic diagnostic apparatus 100 can be realized not only as a cart type but also as a portable type.
  • portable ultrasound diagnostic devices include, but are not limited to, a smart phone, a laptop computer, a PDA, a tablet PC, etc., including probes and applications.
  • the probe 20 may include a plurality of transducers.
  • the plurality of transducers can transmit an ultrasonic signal to the object 10 according to a transmission signal applied from the transmission unit 113.
  • the plurality of transducers can receive ultrasonic signals reflected from the object 10 and form a received signal.
  • the probe 20 may be implemented integrally with the ultrasonic diagnostic apparatus 100 or may be implemented as a separate type connected to the ultrasonic diagnostic apparatus 100 by wired or wireless connection.
  • the ultrasonic diagnostic apparatus 100 may include one or a plurality of probes 20 according to an embodiment.
  • the control unit 120 controls the transmission unit 113 to form a transmission signal to be applied to each of the plurality of transducers in consideration of the positions and focusing points of the plurality of transducers included in the probe 20.
  • the control unit 120 converts the received signal received from the probe 20 into a digital signal and outputs the digitized signal to the receiver 115 to generate ultrasonic data by summing the received signals in consideration of the positions and focusing points of the plurality of transducers ).
  • the image processing unit 130 generates an ultrasound image using the ultrasound data generated by the ultrasound receiving unit 115.
  • the display unit 140 may display the generated ultrasound image and various information processed in the ultrasound diagnostic apparatus 100.
  • the ultrasound diagnostic apparatus 100 may include one or a plurality of display units 140 according to an embodiment.
  • the display unit 140 may be implemented as a touch screen in combination with the touch panel.
  • the controller 120 may control the overall operation of the ultrasonic diagnostic apparatus 100 and the signal flow between the internal components of the ultrasonic diagnostic apparatus 100.
  • the control unit 120 may include a processor for processing a function of the ultrasonic diagnostic apparatus 100, a processor for processing data or a memory for storing data.
  • the control unit 120 may receive a control signal from the input unit 170 or an external device to control the operation of the ultrasonic diagnostic apparatus 100.
  • the ultrasonic diagnostic apparatus 100 includes a communication unit 160 and can be connected to an external device (for example, a server, a medical device, a portable device (smart phone, tablet PC, wearable device, etc.) have.
  • an external device for example, a server, a medical device, a portable device (smart phone, tablet PC, wearable device, etc.) have.
  • the communication unit 160 may include at least one of a short-range communication module, a wired communication module, and a wireless communication module.
  • the communication unit 160 may include at least one component that enables communication with an external device.
  • the communication unit 160 can transmit and receive control signals and data with an external device.
  • the storage unit 150 may store various data or programs for driving and controlling the ultrasonic diagnostic apparatus 100, input / output ultrasound data, and acquired ultrasound images.
  • the input unit 170 can receive a user's input for controlling the ultrasonic diagnostic apparatus 100.
  • the input of the user may be an input for operating a button, a keypad, a mouse, a trackball, a jog switch, a knob, etc., an input for touching a touch pad or a touch screen, a voice input, (E.g., iris recognition, fingerprint recognition, etc.), and the like.
  • FIGS. 2A to 2C are views showing an ultrasonic diagnostic apparatus according to an embodiment.
  • the ultrasound diagnostic apparatuses 100a and 100b may include a main display unit 121 and a sub-display unit 122.
  • FIG. One of the main display unit 121 and the sub-display unit 122 may be implemented as a touch screen.
  • the main display unit 121 and the sub display unit 122 may display various information processed by the ultrasound diagnostic apparatuses 100a and 100b.
  • the main display unit 121 and the sub-display unit 122 are implemented with a touch screen. By providing a GUI, data for controlling the ultrasound diagnostic apparatuses 100a and 100b can be received from a user.
  • the main display unit 121 may display an ultrasound image
  • the sub-display unit 122 may display a control panel for controlling the display of the ultrasound image in a GUI form.
  • the sub-display unit 122 can receive data for controlling display of an image through a control panel displayed in a GUI form.
  • the ultrasonic diagnostic apparatuses 100a and 100b can control the display of the ultrasound image displayed on the main display unit 121 using the received control data.
  • the ultrasonic diagnostic apparatus 100b may further include a control panel 165 in addition to the main display unit 121 and the sub-display unit 122.
  • the control panel 165 may include a button, a trackball, a jog switch, a knob, and the like, and receives data for controlling the ultrasonic diagnostic apparatus 100b from a user.
  • the control panel 165 may include a Time Gain Compensation (TGC) button 171, a Freeze button 172, and the like.
  • TGC button 171 is a button for setting the TGC value for each depth of the ultrasound image.
  • the ultrasound diagnostic apparatus 100b can maintain the state of displaying the frame image at the time point.
  • a button, a trackball, a jog switch, a knob, and the like included in the control panel 165 may be provided as a GUI on the main display unit 121 or the sub display unit 122.
  • the ultrasonic diagnostic apparatus 100c may be implemented as a portable type.
  • portable ultrasonic diagnostic apparatus 100c include, but are not limited to, smart phones, probes and applications, laptop computers, PDAs, tablet PCs, and the like.
  • the ultrasonic diagnostic apparatus 100c includes a probe 20 and a body 40.
  • the probe 20 may be connected to one side of the body 40 by wire or wirelessly.
  • the body 40 may include a touch screen 145.
  • the touch screen 145 may display an ultrasound image, various information processed by the ultrasound diagnostic apparatus, GUI, and the like.
  • FIG. 3 is a block diagram showing the configuration of the ultrasonic diagnostic apparatus 300 according to an embodiment.
  • the ultrasound diagnostic apparatus 300 may include all image processing apparatuses capable of acquiring ultrasound images based on ultrasound image data obtained by ultrasound imaging.
  • the ultrasound diagnostic apparatus 300 may include a computing device capable of controlling the acquisition of ultrasound image data in ultrasound imaging.
  • the ultrasound diagnostic apparatus 300 may be included in a server apparatus having a function of receiving ultrasound image data obtained by ultrasound imaging and processing the ultrasound image data.
  • the server apparatus may be a medical server apparatus in a hospital or other hospital where the patient performs the ultrasound imaging.
  • the ultrasound diagnostic apparatus 300 may include a processor 320, a storage unit 350, and a communication unit 360.
  • the ultrasound diagnostic apparatus 300 may be included in the ultrasound diagnostic apparatus 100 described with reference to FIG.
  • the storage unit 350 and the communication unit 360 of the ultrasonic diagnostic apparatus 300 may correspond to the storage unit 150 and the communication unit 160 shown in FIG. 1, respectively.
  • the processor 320 may correspond to one or a combination of the control unit 120 and the image processing unit 130 of FIG.
  • the components of the ultrasonic diagnostic apparatus 300 are not limited to the components shown in Fig. According to one embodiment, the ultrasound diagnostic device 300 may be implemented by more components than the components shown in FIG.
  • the ultrasound diagnostic apparatus 300 may be integrated with the ultrasound diagnostic apparatus 100, or may be a detachable probe (not shown) connected to the ultrasound diagnostic apparatus 100 by wire / wireless.
  • the probe can acquire ultrasound image data for a target object based on the received ultrasound echo signal.
  • the ultrasound diagnostic apparatus 300 may further include a display unit (not shown) for displaying information related to the ultrasound image and the ultrasound image generated based on the obtained ultrasound image data.
  • the processor 320 can control the memory 350, and the communication unit 360 as a whole.
  • the processor 320 can control the operation of the ultrasonic diagnostic apparatus 300 in general by executing the program stored in the memory 350.
  • the processor 320 may include one or more processors.
  • the processor 320 may acquire an ultrasound image of a target object based on the ultrasound image data of the target object. For example, the processor 320 may process ultrasound image data in real time to acquire an ultrasound image. The ultrasound image obtained in real time by the processor 320 may be a still image or a moving image. The processor 320 may acquire an ultrasound image based on ultrasound image data received through an external device, or may acquire an ultrasound image by scanning a target object with a probe (not shown).
  • the processor 320 may control the display (not shown) to display ultrasound images generated in real time.
  • the processor 320 in accordance with one embodiment may receive an input that alters the ROI within the ultrasound image.
  • the processor 320 in accordance with one embodiment may change at least one of the number of frames per second (fps) value and the image quality value based on the location and size of the changed ROI.
  • fps frames per second
  • the image quality value may include the resolution of the image.
  • the resolution may include, for example, standard definition (SD), high definition (HD), full high definition television (FHD), quad high definition (QHD)
  • the processor 320 obtains a cropped ultrasound image based on the ultrasound image data corresponding to the changed ROI according to the frame number value and the image quality value per second, So that the image can be controlled to be transmitted to the client apparatus (not shown).
  • the cropped ultrasound image may be an ultrasound image of a region of interest generated based on moving image data corresponding to a region of interest.
  • the processor 320 may control to simultaneously display the cropped ultrasound image with at least one of the frame rate value and the image quality value per second.
  • the processor 320 in accordance with one embodiment may update at least one indicator indicative of the region of interest and at least one of a frame value per second and an image quality value in response to the region of interest being changed.
  • the processor 320 may change at least one of the frame rate value and the image quality value per second based on the video data transmission / reception rate of the communication unit 360.
  • the processor 320 in accordance with one embodiment may obtain a plurality of values for at least one of a frame number value per second and an image quality value corresponding to a plurality of interest areas and a plurality of interest areas.
  • the processor 320 may control to display together a plurality of values for at least one of the frame number value per second and the image quality value obtained and a plurality of indicators indicating a plurality of regions of interest.
  • the processor 320 may fix one of the frame rate value and the image quality value per second to a predetermined value and change the other value.
  • the processor 320 can transmit still image data for a region other than the region of interest of the ultrasound image to the client apparatus through the communication unit 360.
  • the processor 320 may control the communication unit 360 to transmit the moving image data for the remaining region excluding the region of interest of the ultrasound image to the client apparatus.
  • the resolution of the moving image may be lower than the resolution of the cropped ultrasonic image.
  • the processor 320 in accordance with one embodiment may be configured to control to display at least one of a region of interest such that at least one of the frames per second value and the image quality value conforms to a predetermined criteria based on the imaging protocol, can do.
  • the communication unit 360 may include at least one component that enables communication with the ultrasonic diagnostic apparatus 300 and at least one of the client apparatus, the external server, and the external database.
  • the communication unit 360 may include at least one of a short-range communication module, a wired communication module, and a wireless communication module.
  • the short-range wireless communication module may include a Bluetooth communication module, a Bluetooth low energy (BLE) communication module, a near field communication module, a WLAN communication module, a Zigbee communication module , An infrared data association (IrDA) communication module, a WFD (Wi-Fi Direct) communication module, an UWB (ultra wideband) communication module, an Ant + communication module, and the like.
  • BLE Bluetooth low energy
  • IrDA infrared data association
  • WFD Wi-Fi Direct
  • UWB ultra wideband
  • the communication unit 360 can perform communication between the ultrasonic diagnostic apparatus 300 and the client apparatus based on the control of the processor 320
  • FIG. 4 is a view for explaining an operation of the ultrasound diagnostic apparatus 300 according to an embodiment of the present invention to transmit an ultrasound image to the client apparatus 400.
  • FIG. 4 is a view for explaining an operation of the ultrasound diagnostic apparatus 300 according to an embodiment of the present invention to transmit an ultrasound image to the client apparatus 400.
  • the client device 400 is a separate electronic device connected to the ultrasonic diagnostic apparatus 300 via a network.
  • a user such as a doctor can diagnose a target object included in the ultrasound image through a screen displayed through the client device 400.
  • the ultrasound diagnostic apparatus 300 can transmit ultrasound images to the client apparatus 400 at a remote location in real time.
  • the ultrasound diagnostic apparatus 300 may compress the moving image data 401 for the entire ultrasound image to generate compressed moving image data 403 and transmit the compressed moving image data 403 to the client apparatus 400 have.
  • the ultrasound diagnostic apparatus 300 can reduce the load on the network by compressing and transmitting the moving image data 401 for the entire ultrasound image.
  • the resolution or the frame per second is smaller than the resolution or the number of frames per second of the ultrasound image obtained first, in the ultrasound image based on the compressed moving picture data received through the client device 400.
  • the resolution or the number of frames per second may have a reference value required for diagnosis according to a diagnosis protocol.
  • a diagnosis protocol For example, in the case of diagnosis of heart disease, ultrasound imaging with a resolution higher than HD and a frame rate of 60 fps or more may be required. Further, in the case of ultrasonic diagnosis for imaging the fetus, ultrasound images having a resolution higher than HD and a frame number of 15 fps or more may be required.
  • the resolution of the ultrasound image received from the client device 400 And the frame rate per second may not satisfy the reference value required for diagnosis.
  • FIG. 5 is a diagram for explaining an operation of the ultrasound diagnostic apparatus 300 according to an embodiment to transmit an ultrasound image corresponding to a region of interest to the client apparatus 400.
  • the ultrasound diagnostic apparatus 300 may transmit the ultrasound image corresponding to the region of interest received from the client apparatus 400.
  • the ultrasound diagnostic apparatus 300 may include an ultrasound diagnostic apparatus 300 for acquiring ultrasound images of a region of interest on the basis of moving image data 501 for an ultrasound image and an ROI received from the client apparatus 400, The ROI moving picture data 503 corresponding to the ROI moving picture data 503 can be generated.
  • the ultrasound diagnostic apparatus 300 may compress the ROI moving image data 503 to generate compressed ROI moving image data 505 and transmit the compressed ROI moving image data 505 to the client apparatus 400.
  • the process of generating the ROI moving image data 503 corresponding to the ROI in the ultrasound diagnostic apparatus 300 and generating the compressed ROI moving image data 505 based on the ROI moving image data 503 may be referred to as cropping.
  • the ultrasound image generated based on the ROI moving image data 503 corresponding to the ROI or the compressed ROI moving image data 505 will be referred to as a cropped ultrasound image.
  • the ultrasound diagnostic apparatus 300 may generate a cropped ultrasound image having a resolution corresponding to the resolution and the number of frames per second of the initially acquired ultrasound image and a frame rate per second. Accordingly, the cropped ultrasound image acquired by the client apparatus 400 may have a resolution and a number of frames per second corresponding to the resolution and the number of frames per second of the ultrasound image obtained first.
  • the ultrasound diagnostic apparatus 300 can adjust the resolution and the number of frames per second of the cropped ultrasound image to be equal to or larger than a reference value necessary for diagnosis based on at least one of the network environment and the diagnostic protocol.
  • the ultrasound diagnostic apparatus 300 may provide a guide to ROI setting to provide an ultrasound image having a resolution higher than a reference value required for diagnosis or a frame rate per second to the user.
  • FIG. 6 is a flowchart of a method of controlling an ultrasonic diagnostic apparatus according to an embodiment of the present invention.
  • the control method of the ultrasound diagnostic apparatus may be performed, for example, in the ultrasound diagnostic apparatus 300 described above.
  • the ultrasound diagnostic apparatus 300 may acquire an ultrasound image based on the ultrasound image data of the target object (S610).
  • the ultrasound image may include at least one of a moving image and a still image.
  • the ultrasound diagnostic apparatus 300 may receive an input for changing an ROI in the ultrasound image (S620).
  • the input that alters the ROI within the ultrasound image may be, for example, an input received from the client device 400.
  • the ultrasound diagnostic apparatus 300 may change at least one of the frame rate value and the image quality value based on the changed position and size of the ROI (S630).
  • the frame rate value and the image quality value per second may mean the frame rate value and the image quality value of the cropped ultrasound image corresponding to the changed region of interest.
  • the image quality value may include the resolution of the image.
  • At least one of the frame rate value per second and the image quality value may be calculated in consideration of the network environment in the ultrasonic diagnostic apparatus 300. [ Also, at least one of the frame rate value and the image quality value may be a value received from the client device 400 in consideration of the network environment.
  • the ultrasound diagnostic apparatus 300 may obtain an ultrasound image based on the ultrasound image data corresponding to the changed region of interest, according to the number of frames per second and the image quality value.
  • the cropped ultrasound image includes an ultrasound image of a region of interest obtained based on the ultrasound image data obtained first.
  • the cropped ultrasound image includes an ultrasound image obtained by compressing the ultrasound image data for the region of interest and based on the compressed ultrasound image data.
  • the ultrasound diagnostic apparatus 300 may transmit the ultrasound image cropped through the communication unit to the client apparatus 400 (S650).
  • the client device 400 may display an ultrasound image cropped through a display unit included in the client device 400 or an external display device connected to the client device 400.
  • FIG. 7 illustrates an ultrasound image displayed on the client device 400 according to an exemplary embodiment of the present invention.
  • the ultrasound image displayed by the client device 400 may be an ultrasound image 710 obtained in real time.
  • the ultrasonic image 710 obtained in real time before receiving the input for selecting the region of interest from the client device 400 may be an image obtained based on the moving image data compressed from the entire moving image data.
  • the client device 400 may receive input to select or change the region of interest.
  • the input to change the region of interest may include, for example, at least one of an input to change the size of the region of interest and an input to change the location of the region of interest.
  • Inputs that change the region of interest may be received via an input that changes at least one of the size and location of an indicator 701 representing the region of interest.
  • the client device 400 may adjust the size of the region of interest through an input 711 that changes the size of the indicator 701.
  • the input for changing the size of the indicator may include, for example, an input for dragging and dropping the edge of the indicator 701, a button input for changing the size of the indicator 701, and the like.
  • the client device 400 may also adjust the location of the region of interest through an input that changes the location of the indicator 701.
  • the ultrasound diagnostic device 300 may receive at least one modified value of the location and size of the region of interest from the client device 400 and may determine a frame rate value per second based on the changed value of at least one of the location and size of the region of interest And an image quality value.
  • the ultrasound diagnostic apparatus 300 may receive a frame value per second and an image quality value corresponding to the changed position and size of the ROI from the client device 400.
  • FIG. 7 shows an embodiment in which the ultrasonic diagnostic apparatus 300 changes the frame value per second based on the size of the area of interest. 7, the ultrasound diagnostic apparatus 300 can maintain the image quality value (the resolution value in FIG. 7) as it is and change the frame number per second value to be smaller than the original image based on the input for increasing the size of the region of interest have.
  • the ultrasonic diagnostic apparatus 300 adjusts the frame number per second to a smaller value according to the input of the user to increase the size of the ROI, The image quality can be maintained as it is.
  • the ultrasound diagnostic apparatus 300 may obtain the ultrasound image 702 that has been cropped based on the changed ultrasound image data corresponding to the changed ROI value and the image quality value.
  • the ultrasonic diagnostic apparatus 300 can control to display the expected frame value per second and the image quality value 713 according to the change of the region of interest while receiving the input 711 that changes the size of the indicator 701 .
  • the frame number per second value and the image quality value 713 expected according to the change of the area of interest may correspond to the size of the indicator 701 to be displayed.
  • the client device 400 displays the cropped ultrasound image 702 received from the ultrasound diagnostic apparatus 300 along with the changed frames per second value and the image quality value 715 can do.
  • the ultrasound diagnostic apparatus 300 When the ultrasound diagnostic apparatus 300 receives an input that changes the position and size of the indicator 701 again, the ultrasound diagnostic apparatus 300, in response to changing the position and size of the region of interest, And may update at least one of the image quality values.
  • the ultrasound diagnostic apparatus 300 may update the ultrasound image 702 that has been cropped based on the ultrasound image data corresponding to the changed region of interest, in accordance with the updated frame rate value and the image quality value.
  • the ultrasound diagnostic apparatus 300 acquires an ultrasound image 702 that is received according to the changed frame number per second value and the changed image quality value and receives the input to change the position and size of the region of interest and transmits the ultrasound image 702 to the client apparatus 400
  • the user of the client device 400 can control the fps and the image quality value necessary for diagnosis while checking the cropped ultrasound image 702.
  • the ultrasound diagnostic apparatus 300 can fix one value of the frame number value per second and the image quality value to a predetermined value, and change only the other one. For example, when the ultrasound diagnostic apparatus 300 receives an input 711 that changes the size of the indicator 701 simultaneously with the input of a shortcut key (ex. Ctrl, alt) from the client apparatus 400, And the image quality value.
  • a shortcut key ex. Ctrl, alt
  • 8A shows an ultrasound image displayed on the client device 400 according to an embodiment.
  • the ultrasound diagnostic apparatus 300 can obtain the ultrasound image 813 that has been cropped based on the ultrasound image data corresponding to the changed region of interest.
  • the cropped ultrasound image 813 is an ultrasound image acquired based on the changed ultrasound image data corresponding to the changed region of interest according to the changed frame number per second value and the image quality value.
  • the client device 400 can display the cropped ultrasound image 813 received from the ultrasound diagnostic apparatus 300 together with the modified frame rate value and the image quality value 815.
  • the ultrasonic diagnostic apparatus 300 may display the changed frame number per second value and the user interface 817 indicating whether the image quality value 815 meets the reference value required for diagnosis according to the diagnosis protocol.
  • the ultrasound diagnostic apparatus 300 may determine the image quality value as HD and change the frame rate value per second to 30 fps according to the input that increases the size of the region of interest by the user. If the cropped ultrasound image (813) is an image containing the fetal body, the image quality value may be suitable for general diagnosis if it is higher than HD and the frame number value per second is 15 fps or more. If the image quality value is equal to or higher than HD and the frame number per second is equal to or higher than 15 fps, the ultrasound diagnostic apparatus 300 may indicate through the user interface 817 that the reference value required for diagnosis is satisfied.
  • 8B illustrates an ultrasound image displayed on the client device 400 according to an embodiment.
  • the ultrasound diagnostic apparatus 300 can obtain the ultrasound image 823 that has been cropped based on the ultrasound image data corresponding to the changed region of interest.
  • the client device 400 may display the cropped ultrasound image 823 received from the ultrasound diagnostic apparatus 300 together with the modified frame rate value and the image quality value 825.
  • the user interface 827 can be displayed to guide the user to meet the reference value required for the user.
  • the frame rate per second value should be at least 60 fps to be suitable for diagnosis of heart disease.
  • the ultrasound diagnostic apparatus 300 may be configured to obtain a cropped ultrasound image 823 with a frame rate value of 60 fps or more per second by adjusting the region of interest through the user interface 827 to be smaller when the changed frames per second value is less than 60 fps You can guide.
  • 9A illustrates an ultrasound image displayed on the client device 400 according to an embodiment.
  • the ultrasound diagnostic device 300 may receive from the client device 400 at least one of a changed value of the location and size of the region of interest.
  • the ultrasound diagnostic apparatus 300 may acquire a plurality of values 911, 913, 915 for at least one of a frame number value and an image quality value corresponding to a plurality of interest areas and a plurality of interest areas. In this case, the ultrasound diagnostic apparatus 300 can fix one of the frame number value and the image quality value per second to a predetermined value and acquire a plurality of values 911, 913, and 915 for the other one .
  • a value fixed to a predetermined value may be an image quality value
  • a plurality of values 911, 913, and 915 may be a main frame value per second which is mainly used by users such as 60 fps, 30 fps, and 10 fps.
  • the ultrasound diagnostic apparatus 300 includes a plurality of values 911, 913, and 915 for at least one of the acquired frame rate value and image quality value, and a plurality of indicators 901, 903, 905 can be displayed together.
  • the plurality of directors 901, 903, and 905 may represent an estimate of the maximum size of the ROI corresponding to the main frames per second values used by the users.
  • the ultrasound diagnostic apparatus 300 may be configured to control to display together a plurality of values 911, 913, 915 for fps of the region of interest and a plurality of indicators 901, 903, 905 representing a plurality of regions of interest can do.
  • 9B illustrates an ultrasound image displayed on the client device 400 according to an embodiment.
  • the ultrasound diagnostic apparatus 300 may obtain a plurality of values 931, 933, and 935 for at least one of a frame number value and an image quality value corresponding to a plurality of interest areas and a plurality of interest areas. In this case, the ultrasound diagnostic apparatus 300 can fix one of the frame number value and the image quality value per second to a predetermined value and acquire a plurality of values 931, 933, and 935 for the other one .
  • a value fixed to a predetermined value may be a frame rate value per second, and a plurality of values 931, 933, 935 may be expected image quality values.
  • the ultrasound diagnostic apparatus 300 includes a plurality of values 931, 933, and 915 for at least one of a frame number value and an image quality value obtained and a plurality of indicators 921, 923, and 925 indicating a plurality of regions of interest, Can be displayed together.
  • FIG. 10 is a view for explaining an operation of the ultrasound diagnostic apparatus 300 according to an embodiment of the present invention to transmit an ultrasound image and a background image corresponding to a region of interest to the client apparatus 400.
  • the ultrasound diagnostic apparatus 300 may include an ultrasound diagnostic apparatus 300 for acquiring an ultrasound image of an area of interest based on moving image data 1001 for an ultrasound image and an input for a ROI received from the client apparatus 400,
  • the ROI moving picture data 1003 corresponding to the ROI moving picture data 1003 can be generated.
  • the ultrasound diagnostic apparatus 300 may compress the ROI moving image data 1003 to generate compressed ROI moving image data 1005 and transmit the compressed ROI moving image data 1005 to the client apparatus 400.
  • the ultrasonic diagnostic apparatus 300 can generate the background image data 1009 at a predetermined period and transmit the background image data 1009 to the client apparatus 400.
  • the background image data 1009 may be data for an image displayed in the remaining portion except the region of interest when the ultrasound image is displayed on the client device 400.
  • the background image data 1009 may be still image data for regions other than the region of interest.
  • the still image data may include a screen shot of the entire ultrasound image acquired at a predetermined period.
  • the background image data 1009 may include moving image data in which at least one of a resolution and a frame rate value per second is significantly lower than at least one of a resolution of an image of a region of interest and a frame rate value per second.
  • the background image data 1009 transmitted to the client device 400 may include compressed moving image data.
  • the memory load required for image compression is not large in the case of monochrome image data, so that compression can be efficiently performed.
  • FIG 11 is a view for explaining an ultrasound image and a background image corresponding to a region of interest displayed on the client device 400 in one embodiment.
  • the ultrasound diagnostic apparatus 300 may obtain a cropped ultrasound image 1120 and a background image 1130 corresponding to the region of interest from the original image 1110. [ The original image 1110 may be an entire ultrasound image for a target initially obtained in the ultrasound diagnostic apparatus 300. The ultrasound diagnostic apparatus 300 may transmit the cropped ultrasound image 1120 and the background image 1130 to the client apparatus 400.
  • the ultrasound diagnostic apparatus 300 may acquire the background image 1130 at a predetermined period and transmit the background image 1130 to the client apparatus 400.
  • the background image 1130 may include a moving image that is lower than at least one of the resolution and the number of frames per second of the ultrasound image 1120 in which at least one of the resolution and the number of frames per second is cropped. Also, the background image 1130 may include a still image based on the original image 1110 obtained at a predetermined time.
  • the ultrasound diagnostic apparatus 300 may further include an ultrasound image 1140 in which the cropped ultrasound image 1120 is superimposed on the background image 1130 and displayed when the ultrasound image 1120 cropped in the client apparatus 400 is displayed, Lt; / RTI >
  • the ultrasound diagnostic apparatus 300 may control the client apparatus 400 to display the ultrasound image 1120 that is cropped at the position 1101 corresponding to the region of interest in the background image 1130.
  • FIG. 12 is a diagram for explaining an ultrasound image and a background image corresponding to a region of interest displayed on the client device 400 in an embodiment.
  • the ultrasound diagnostic apparatus 300 may obtain a cropped ultrasound image 1220 and a background image 1230 corresponding to the region of interest from the original image 1210.
  • the original image 1210 may be an entire ultrasound image for a target initially obtained in the ultrasound diagnostic apparatus 300.
  • the ultrasound diagnostic apparatus 300 may transmit the cropped ultrasound image 1220 and the background image 1230 to the client apparatus 400.
  • reference numeral 1240 denotes a screen displayed on the client device 400.
  • the ultrasound diagnostic apparatus 300 may control to display an enlarged ultrasound image 1241 corresponding to the ultrasound image 1220 cropped by the client apparatus 400.
  • the enlarged ultrasound image 1241 may be an image in which the cropped ultrasound image is enlarged at the first ratio.
  • the first rate may be adjusted by the user and the ultrasound diagnostic apparatus 300 may display the first rate together when the ultrasound image 1220 cropped in the client device 400 is displayed.
  • the ultrasound diagnostic apparatus 300 can control the display of the background image 1243 together with the enlarged ultrasound image 1241.
  • the ultrasound diagnostic apparatus 300 may control to display the background image 1243 in a reduced form.
  • the ultrasound diagnostic apparatus 300 may control to display the region of interest such that the user can know the position corresponding to the region of interest in the background image 1243.
  • FIG. 13 is a flowchart illustrating an operation of the ultrasound diagnostic apparatus 300 and the client apparatus 400 according to an embodiment of the present invention.
  • step S1301 the ultrasound diagnostic apparatus 300 can acquire an ultrasound image based on the ultrasound image data for the object (S1301).
  • step S1303 the ultrasound diagnostic apparatus 300 can transmit the acquired ultrasound image to the client apparatus 400 (S1303).
  • the client device 400 may display the ultrasound image in real time (S1305).
  • the client device 400 may receive an input from the user to change the ROI (S1307).
  • the ultrasonic diagnostic apparatus 300 may receive an input for changing the ROI from the client apparatus 400 (S1309).
  • the ultrasonic diagnostic apparatus 300 may change at least one of the frame number per second (fps) value and the image quality value based on the changed position and size of the ROI (S1311).
  • the ultrasound diagnostic apparatus 300 may acquire an ultrasound image that is cropped based on the changed ultrasound image data according to the frame number value and the image quality value (S1313).
  • step S1315 the ultrasound diagnostic apparatus 300 can transmit the cropped ultrasound image to the client apparatus 400 (S1315).
  • the ultrasound diagnostic apparatus 300 may control to display ultrasound images cropped by the client apparatus 400 in real time (S1317).
  • the disclosed embodiments may be implemented in a software program that includes instructions stored on a computer-readable storage medium.
  • the computer can include an ultrasonic diagnostic apparatus according to the disclosed embodiments, which is an apparatus capable of calling stored instructions from a storage medium and operating according to the disclosed embodiment according to the called instruction.
  • the computer-readable storage medium may be provided in the form of a non-transitory storage medium.
  • 'non-temporary' means that the storage medium does not include a signal and is tangible, but does not distinguish whether data is stored semi-permanently or temporarily on the storage medium.
  • ultrasound diagnostic apparatus or method according to the disclosed embodiments may be provided in a computer program product.
  • a computer program product can be traded between a seller and a buyer as a product.
  • the computer program product may include a computer readable storage medium having stored thereon a software program and a software program.
  • the computer program product may include a product in the form of an S / W program (e.g., a downloadable app) distributed electronically via a manufacturer of an ultrasound diagnostic device or an electronic marketplace (e.g., Google Play Store, AppStore) .
  • an S / W program e.g., a downloadable app
  • an electronic marketplace e.g., Google Play Store, AppStore
  • the storage medium may be a server of a manufacturer, a server of an electronic market, or a storage medium of a relay server for temporarily storing an SW program.
  • the computer program product may comprise a storage medium of a server or a storage medium of a terminal, in a system consisting of a server and a terminal (for example, an ultrasonic diagnostic apparatus).
  • a third device e.g., a smart phone
  • the computer program product may include a storage medium of the third device.
  • the computer program product may include the S / W program itself transmitted from the server to the terminal or the third device, or transmitted from the third device to the terminal.
  • one of the server, the terminal, and the third device may execute the computer program product to perform the method according to the disclosed embodiments.
  • two or more of the server, the terminal and the third device may execute the computer program product to distribute the method according to the disclosed embodiments.
  • a server e.g., a cloud server or an artificial intelligence server, etc.
  • a server may execute a computer program product stored on a server to control the terminal communicating with the server to perform the method according to the disclosed embodiments.
  • a third device may execute a computer program product to control a terminal communicatively coupled to a third device to perform the method according to the disclosed embodiment.
  • the third device may control the ultrasonic diagnostic apparatus so that the ultrasonic diagnostic apparatus irradiates the ultrasonic signal to the object, and generates an image of a region inside the object based on the signal information reflected from the object .
  • the third device may execute a computer program product to directly perform the method according to the disclosed embodiment based on the value input from the auxiliary device (e.g., a probe of the medical device).
  • the ancillary apparatus can irradiate an ultrasonic signal to the object, and obtain the ultrasonic signal reflected from the object.
  • the third device receives the signal information reflected from the auxiliary device, and can generate an image of a site inside the target object based on the inputted signal information.
  • the third device can download the computer program product from the server and execute the downloaded computer program product.
  • the third device may execute a computer program product provided in a preloaded manner to perform the method according to the disclosed embodiments.

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Abstract

Un dispositif de diagnostic par ultrasons selon un mode de réalisation est décrit dans la présente invention. Le dispositif de diagnostic par ultrasons peut comprendre : une unité de communication ; et un processeur pour réaliser une commande de telle sorte qu'une image ultrasonore est acquise sur la base de données d'image ultrasonore sur un objet, une entrée pour changer une région d'intérêt (ROI) dans l'image ultrasonore est reçue, une valeur de trame par seconde (FPS) et/ou une valeur de qualité d'image est modifiée sur la base de l'emplacement et de la taille de la région d'intérêt modifiée, une image ultrasonore rognée est acquise sur la base de données d'image ultrasonore correspondant à la région d'intérêt modifiée selon la valeur FPS et la valeur de qualité d'image, et l'image ultrasonore rognée est transmise à un dispositif client par l'intermédiaire de l'unité de communication.
PCT/KR2019/000038 2018-01-03 2019-01-02 Procédé de commande pour dispositif de diagnostic par ultrasons, et dispositif de diagnostic par ultrasons Ceased WO2019135598A1 (fr)

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