[go: up one dir, main page]

WO2024249386A1 - Système et procédé de réglage et de positionnement de roi visuelle - Google Patents

Système et procédé de réglage et de positionnement de roi visuelle Download PDF

Info

Publication number
WO2024249386A1
WO2024249386A1 PCT/US2024/031206 US2024031206W WO2024249386A1 WO 2024249386 A1 WO2024249386 A1 WO 2024249386A1 US 2024031206 W US2024031206 W US 2024031206W WO 2024249386 A1 WO2024249386 A1 WO 2024249386A1
Authority
WO
WIPO (PCT)
Prior art keywords
patient
display screen
digital display
region
digital
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.)
Pending
Application number
PCT/US2024/031206
Other languages
English (en)
Inventor
Ye Tao
Xiaohui Wang
Luca Bogoni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carestream Health Inc
Original Assignee
Carestream Health Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Carestream Health Inc filed Critical Carestream Health Inc
Publication of WO2024249386A1 publication Critical patent/WO2024249386A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/467—Arrangements for interfacing with the operator or the patient characterised by special input means
    • A61B6/469—Arrangements for interfacing with the operator or the patient characterised by special input means for selecting a region of interest [ROI]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0478—Chairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/461—Displaying means of special interest
    • A61B6/463—Displaying means of special interest characterised by displaying multiple images or images and diagnostic data on one display
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/461—Displaying means of special interest
    • A61B6/465—Displaying means of special interest adapted to display user selection data, e.g. graphical user interface, icons or menus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • A61B6/5264—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to motion

Definitions

  • the subject matter disclosed herein relates to digital radiographic (DR) imaging systems and methods.
  • DR digital radiographic
  • a camera enabled system and method for selecting regions of interest on a patient to be imaged are known in the art.
  • LLI long length imaging
  • One disadvantage of the prior ait methods is that it requires radiologytechnicians to position the patient, set the exposure range on the anatomy, adjust the exposure parameters, etc. Additionally, the patient may unconsciously move their body, which can deviate from the initial set position and therefore disturb positioning the region of interest of the patient anatomy for diagnostic purposes.
  • a computer-implemented method for selecting a region of a patient body for long length imaging begins with displaying an unobstructed video of the patient on a digital display screen.
  • the operator views the display screen and uses a graphical user interface to select upper and lower bounds on the digital display screen to define the region of interest of the patient body.
  • the upper and lower bounds appear on a portion of the digital display screen external to the display of the patient body.
  • a computer-implemented method for selecting a region of a patient body for long length imaging comprises displaying an unobstructed video of the patient on a first portion of a digital display screen.
  • the operator views the display screen and selects upper and lower bounds on the digital display screen to define the region of interest of the patient body.
  • the upper and lower bounds appear on a portion of the digital display screen external to the display of the patient body.
  • a graphical user interface facilitates the selection of the upper and lower bounds.
  • An x-ray source and a digital radiographic detector for capturing images of the patient exposed by the x-ray source are positioned according to regions of the patient selected by an operator.
  • a graphical user interface (GUI) on the digital display screen is operable for the regions of the patient to be selected by moving upper and lower bounds on the digital display screen so as to define the region of interest of the patient body. The upper and lower bounds are configured to appear on a portion of the digital display screen external to the patient display.
  • a virtual positioning-assisted long length imaging system is created. This system allows the radiologist to virtually position the desired vertical exposure range directly at the control console display screen and set the width of the collimator according to the patient's body size as seen on the display.
  • the patient is positioned in the x-ray room ’such as on a bed with a DR detector beneath or behind the patient, or the patient, may be standing adjacent to a wall bucky which holds the DR detector.
  • the radiographic imaging system uses a still or video camera, displays the real-time image of the patient on a control console display screen located outside the x-ray room.
  • the display screen also visually displays the upper/lower boundary controls and left/right boundary controls of the exposure range via a graphical user interface to enable an operator to select a region of interest of the patient’s anatomy for a LLI exam.
  • the radiology technician or operator can choose to adjust other imaging parameters at the control console such as object to detector distance (OID), kV and mAs power/energy levels, and to apply other adjustments to the radiographic imaging system.
  • OID object to detector distance
  • kV kV
  • mAs power/energy levels
  • the system is programmed to calculate and acquire the number of images required to capture the region of interest.
  • the imaging system includes a remote-control module in the control console that allow's the operator to adjust the upper and lower bounds of the exposure region of interest on the patient anatomy for long length imaging, and provides a real-time video display of the patient, allowing the radiology technician or operator to observe the patient's movement on the video, to determine the best timing to start exposures, and to determine if there is significant patient motion before or during the exposures.
  • a remote-control module in the control console that allow's the operator to adjust the upper and lower bounds of the exposure region of interest on the patient anatomy for long length imaging, and provides a real-time video display of the patient, allowing the radiology technician or operator to observe the patient's movement on the video, to determine the best timing to start exposures, and to determine if there is significant patient motion before or during the exposures.
  • FIG. 2 is a live camera view as in FIG. 1 with height and width adjustments using the GUI;
  • FIG. 3 shows a live camera view as in FIG. 1 with patient movement data
  • FIG. 4A and FIG. 4B are schematic representations of FIG. 1 and FIG. 2;
  • FIG. 5 is a schematic diagram that shows an exemplary arrangement of a radiographic imaging system that can be used for long length imaging.
  • FIG. 1 shows a digital display screen 100, having a graphical user interface (GUI), of an operator control console including adjustment tools to allow the operator to selectively adjust the width and height of an exposure region on a patient P from the console while viewing the patient in real time, thus selecting a desired exposure region of the patient anatomy.
  • GUI graphical user interface
  • the patient P is in a standing position on a patient support S in front of a vertically movable wall bucky that holds a DR detector.
  • the icons along the horizontal lines 101 indicated by the h (height) arrows and the icons along the vertical borders 103 indicated by the w (width) arrows are slider-type controls that can be adjusted by a technician or operator using a mouse, i.e., known as “dragging” the icons to a desired position. Adjustments as between FIG. 1 and FIG. 2 illustrate a selected narrowing of the exposure width 105 and a selected extending of the height 107, thus achieving an operator desired exposure region of interest defined by the selected width 105 and selected height 107. In response to the selected exposure width 105, the radiographic imaging system 10 (FIG.
  • the imaging system automatically calculates, in the example of FIG. 2, that three vertical images are required to capture the desired height of the region of interest.
  • the three required vertical images are illustrated by the horizontal demarcation lines 109 which divide the vertical height 107 into three vertical sections.
  • These three images of the patient P will be digitally sti tched together to form the long length image of the region of interest of the patient anatomy. As shown in FIG. 2, this region of interest extends from about the patient P’s midsection down to about the patient P’s ankles.
  • the horizontal lines 101 while defining the operator selected upper and lower bounds 107 of an exposure region of interest on patient P, do not extend across the video image portion on the display 100.
  • the vertical borders 103 while defining the width of an exposure region of interest 105 on patient. P, also do not appear in the video image portion of the display 100.
  • a DR imaging system may be illustrated by a set of steps performed by an operator of the system.
  • patient identification information and exam information may be input to the control console computer system.
  • the tube head and DR detector are center aligned, whether the detector is placed in a wall bucky, in a horizontal table, or in an inclined patient bed.
  • the patient is then positioned in front of the wall bucky, or on the table or bed.
  • the patient view is displayed and visible to the operator at the control console,
  • the camera module of the radiographic imaging system may capture real-time video of the patient, and the system displays the video on the control console digital display screen outside of the x-ray room.
  • the GUI may be initialized to display default upper/lower and left/right bounds of the exposure range on the control console display screen together with the real-time patient video.
  • the default left/right bounds may be programmed to not allow a width to be selected beyond a maximum width, to match the width of the DR detector positioned behind the patient.
  • the operator may selectively adjust the left/right bounds by any amount so long as the bounds do not extend beyond a left/right edge of the DR detector.
  • the maximum width is automatically limited to protect the patient from unmercenary radiation.
  • the operator may also adjust the upper/lower bounds on the control console’s digital display screen in a similar fashion.
  • the upper and lower bounds are not as constrained as the left/right bounds, as the radiographic imaging system will automatically move the DR detector vertically, as well as the x-ray source, to capture regions of i nterest in the patient anatomy during acquisition of the long length image of the patient.
  • the control console software automatically and dynamically calculates the number of images required in the LL1 exam based on the GUI-selected upper/lower bounds. The number of required images may vary depending on the operator’s adjustment of the upper/lower bounds.
  • the position of each image, relative to the patient body is dynamically displayed on the control console’s digital display, as described herein.
  • the operator may then make other adjustments and inputs as necessary, such as adjusting the object to detector distance (OID), which is the distance from the center of the anatomical region of interest to the DR detector.
  • OID object to detector distance
  • the radiographic imaging system updates and records the settings. If the operator is not satisfied with any image settings, the operator may re-initialize the system and readjust the width and height bounds.
  • the radiographic imaging system hardware mechanically moves the x-ray source in the tube head and the DR detector to a first position for imaging, which first and subsequent positions are calculated by the console computer system based on the selected operator settings. The operator may then activate an exposure button to initiate the x-ray exposures.
  • the radiographic imaging system captures a first radiographic image and automatically moves the x-ray tube and the DR detector to a second position for imaging the patient. This process continues until all required radiographic images are captured.
  • the captured images may be processed by the control console’s computer software, and a single-composite long length image is generated by programmably stitching together each of the captured DR images.
  • the stitching algorithm is not described in detail herein as such algorithms are well known.
  • the stitched long length image may then be presented to the operator for approval and for delivery.
  • FIG. 3 there is depicted exemplary unintended lateral patient movement (di splacement) after final adjustments of the width bounds and uppcr/lower bounds of the region of interest.
  • the contours of the patient displacement are highlighted as black outlines in the small slit figure on the left in FIG. 3, having a width 301 which width corresponds to an amount of unintended movement by the patient P.
  • the magnitude of the displacement is also highlighted by the same magnitude of width 303 overlaid on the video image in the center, as indicated by the arrows.
  • the direction of the movement is highlighted in this figure by the arrows, to give an overview/magnitude of the patient displacement.
  • a process for monitoring patient movement may include any one or more of the following steps: computing image differences from original images, edge images, Laplacians, from a base image frame; computing the magnitude of displacement relative to key dominant directions (as illustrated In the center in FIG. 3 as an example); and filtering the magnitude of displacement with respect to a minimum threshold so that only significant movement (e.g. > 2 cm) may be presented to the user.
  • the LLI adjustment offers significant benefits from a workflow perspective. Not only can the operator perform the adjustments of the exposure range on the anatomy from the console, but also, the operator can view the patient at all times. While other solutions in the prior art offer a camera view of the patient from the console, when it comes to adjusting the exposure range, the field of view of the camera is obstructed by graphic overlays.
  • the user interface described herein differs from the prior art in that the patient is clearly visible at all times and any adjustment interface does not obstruct this view. This is critical as it allows the operator to provide feedback to the patient in the event of patient motion while also making adjustments as needed. Having this continuous real-time view and comparing it to the original field of acquisition, the operator can monitor for any motions by the patient.
  • the horizontal lines 101 move together with the position of the height icons h and do not extend over the portion of the display screen where the patient P image appears, but serves to control the region of interest of the patient P that is exposed for radiographic imaging.
  • the width of the exposure window is controlled by left and right icons w that are movable horizontally by the operator using a mouse to drag the w icons to the left or to the right on the display screen 100.
  • the vertical borders 103 move together with the position of the width icons w and limit the display of the patient region of interest to the region that is exposed for radiographic imaging. Adjustments as between FIG. 4A and FIG.
  • FIG. 4B illustrate a selected narrowing of the exposure width 105 and a selected extending of the height 107, thus defining an operator selected region of interest delineated by the width 105 and height 107.
  • the imaging system will electromechanically set the collimator width so that the emitted x-ray beam exposes the selected narrowed region of interest 105 on the patient P as illustrated in FIG. 4B.
  • the imaging system automatically calculates that three vertical images are required to capture the desired height. This is illustrated by the two hyphenated horizontal lines in FIG. 4B which divide the vertical height 107 into three vertical sections.
  • this region of interest extends from about the patient’s midsection down to about the patient’s ankles. None of the horizontal lines of the GUI extend into the video image of the patient P, and there are no vertical lines of the GUI that extend into the video image of the patient P.
  • FIG. 5 is a schematic diagram of an exemplary radiographic imaging system 10, which may be used to perform a LLI exam as described herein.
  • a patient P is disposed on a table, bed or other support platform S, which may also be a platform that supports a patient who is standing, as described herein.
  • An x-ray source is disposed in a tube head 14 with a motorized x-ray collimator 26 which forms and directs an x-ray beam toward a DR detector 16, with the emitted x- ray radiation represented by a central ray 18.
  • Central ray 18 is preferably orthogonal to the planar incident surface of detector 16.
  • a DR detector translation apparatus 20 driven by actuator 22 under control of processor 41, provides electromechanical motion to suitably position the DR detector 16 to receive the incident x-ray beam that passes through the patient anatomy of interest, as described herein.
  • the DR detector 16 may be positioned in a w'all bucky behind the patient P and moved vertically during a series of radiographic image captures as described herein.
  • DR detector 16 is in wired or wireless communication with a central processor 41 in the computer system of control console 40.
  • Image-bearing data from DR detector 16 may be sent to the control console 40 to be processed.
  • the image data can then be rendered on the control console’s digital display screen 100.
  • the image data can also be transmitted to one or more networked processors 42 for further processing and storage.
  • Processor 41 includes memory 44 for storing acquisition parameters and acquired image data.
  • Memory’ 44 also includes control console programming and software modules for controlling the camera 30, the collimator 26, the GUI as described herein, operation and movements of the DR detector 16 and the tube head 14 including timing and activation of the x-ray source therein.
  • a number of sensors in the radiographic imaging system 10 provide information that may be needed to support automated positioning of imaging components such as the tube head 14 and DR detector 16.
  • an inclinometer 28 can be used to sense the relative inclination angle of detector 16.
  • a video camera 30, attached to the tube head 14, can be used to transmit live video images of the patient P to be displayed on the control console digital screen 100 for viewing by the operator O.
  • Video images can be used by processor 41 programming to calculate positioning information for the tube head 14 and DR detector 16 to capture two or more sequential images to be combined for LLI capture.
  • An actuator 32 provides angular- and/or x-axis and y-axis translational movement of the tube head 14 in the plane of detector 16 (as shown by conventional x, y, and z axes in FIG. 5) under control of processor 41 for guiding the path of the x-ray beam from the x-ray source to the DR detector 16 as selected by the operator O as described herein.
  • the processor 41 controls one or more actuators to automatically position the tube head 14 and DR detector 16. After the radiographic imaging system’s configuration is aligned according to the operator selected adjustments, the subsequent images can be captured during an imaging exam. The first and subsequent images can be combined using a stitching algorithm to form a long length image.
  • an operator interface on display 100 can provide text, graphical, or audible instructions to guide manual adjustment of source and detector position.
  • the operator interface can also provide data for technique settings and other information for use by the operator O in configuring the imaging apparatus for obtaining consistent imaging results for subsequent images, based on stored configuration parameter data from previous images.
  • Feedback from sensor detection can help to guide operator adjustment, indicating that dimensional or angular positioning does not match that used for previous exams and suggesting remedial modification, for example.
  • aspects of the present invention may be embodied as a system, method, or computer program product. Accordingly, aspects of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, micro-code, etc.), or an embodiment combining software and hardware aspects that may all generally be referred to herein as a “service,” “circuit,” “circuitry,” “module,” and/or “system.” Furthermore, aspects of the present invention may take the form of a computer program product embodied in one or more computer readable medium(s) having computer readable program code embodied thereon.
  • the computer readable medium may be a computer readable signal medium or a computer readable storage medium.
  • a computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing.
  • a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
  • Program code and/or executable instructions embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
  • Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as C++ or the like and conventional procedural programming languages, such as the “C” programming language or similar programming languages.
  • the program code may execute entirely on the user's computer (device), partly on the user’s computer, as a stand-alone software package, partly on the user’s computer and partly on a remote computer or entirely on the remote computer or server.
  • the remote computer may be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or the connection may be made to an external computer.
  • LAN local area network
  • WAN wide area network

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Human Computer Interaction (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

L'invention concerne un procédé mis en œuvre par ordinateur pour sélectionner une région d'un corps de patient pour une imagerie de grande longueur qui commence par l'affichage d'une vidéo non obstruée du patient sur un écran d'affichage numérique. L'opérateur visualise l'écran d'affichage et utilise une interface utilisateur graphique pour sélectionner des limites supérieure et inférieure sur l'écran d'affichage numérique pour définir la région d'intérêt du corps de patient. Les limites supérieure et inférieure apparaissent sur une partie de l'écran d'affichage numérique externe à l'affichage du corps du patient.
PCT/US2024/031206 2023-06-02 2024-05-28 Système et procédé de réglage et de positionnement de roi visuelle Pending WO2024249386A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363505745P 2023-06-02 2023-06-02
US63/505,745 2023-06-02

Publications (1)

Publication Number Publication Date
WO2024249386A1 true WO2024249386A1 (fr) 2024-12-05

Family

ID=91664006

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2024/031206 Pending WO2024249386A1 (fr) 2023-06-02 2024-05-28 Système et procédé de réglage et de positionnement de roi visuelle

Country Status (1)

Country Link
WO (1) WO2024249386A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140140481A1 (en) * 2010-09-08 2014-05-22 Fujifilm Corporation Body motion detection device and method, as well as radiographic imaging apparatus and method
US20160278722A1 (en) * 2015-03-24 2016-09-29 Canon Kabushiki Kaisha Radiation imaging system and radiography system
US10098598B2 (en) 2013-06-13 2018-10-16 Samsung Electronics Co., Ltd. X-ray imaging apparatus and method for controlling the same
US20220346736A1 (en) * 2015-08-25 2022-11-03 Samsung Electronics Co., Ltd. X-ray imaging apparatus and method for controlling the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140140481A1 (en) * 2010-09-08 2014-05-22 Fujifilm Corporation Body motion detection device and method, as well as radiographic imaging apparatus and method
US10098598B2 (en) 2013-06-13 2018-10-16 Samsung Electronics Co., Ltd. X-ray imaging apparatus and method for controlling the same
US20160278722A1 (en) * 2015-03-24 2016-09-29 Canon Kabushiki Kaisha Radiation imaging system and radiography system
US20220346736A1 (en) * 2015-08-25 2022-11-03 Samsung Electronics Co., Ltd. X-ray imaging apparatus and method for controlling the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BEN-ZIKRI YEHUDA K. ET AL: "A marker-free registration method for standing X-ray panorama reconstruction for hip-knee-ankle axis deformity assessment", COMPUTER METHODS IN BIOMECHANICS AND BIOMEDICAL ENGINEERING: IMAGING & VISUALIZATION, vol. 7, no. 4, 4 July 2019 (2019-07-04), GB, pages 464 - 478, XP055826396, ISSN: 2168-1163, Retrieved from the Internet <URL:https://www.tandfonline.com/doi/pdf/10.1080/21681163.2018.1537859?needAccess=true> DOI: 10.1080/21681163.2018.1537859 *

Similar Documents

Publication Publication Date Title
US10568602B2 (en) Virtual positioning image for use in imaging
US10441240B2 (en) Method and system for configuring an X-ray imaging system
KR101695267B1 (ko) 환자를 위치결정하기 위한 위치결정 유닛, 영상 획득 장치, 및 위치결정 보조물을 광학적으로 생성하기 위한 방법
KR101934836B1 (ko) 엑스선 영상 장치 및 그 제어 방법
US10918346B2 (en) Virtual positioning image for use in imaging
US6944269B2 (en) Medical imaging examination facility
US9833210B2 (en) Medical image diagnostic apparatus
JP7130427B2 (ja) Ｘ線診断装置およびｘ線診断方法
JP7379674B2 (ja) Ｘ線検査用位置決め誘導システム
US12226251B2 (en) Imaging support device, and operation method and operation program for the same
WO2016124554A1 (fr) Localisation d&#39;objets dans des images de rayons x en projection par des considérations géométriques
JP2006141904A (ja) Ｘ線撮影装置
US7845851B2 (en) Low-dose iso-centering
JP6970203B2 (ja) コンピュータ断層撮影および撮像されるべき解剖学的構造の位置決め
JPH10179569A (ja) 医用画像診断装置および監視画像表示方法
RU2771467C2 (ru) Компьютерная томография и позиционирование отображаемой области
WO2024249386A1 (fr) Système et procédé de réglage et de positionnement de roi visuelle
US20230380791A1 (en) Method for planning a recording of an x-ray image of a patient by an x-ray system, and overall system
JP2016538065A (ja) 生体構造の部分ボリュームの位置決め
CN112515689B (zh) Ｘ射线摄影装置
JP6553123B2 (ja) Ｘ線診断装置
US20240281963A1 (en) Medical imaging apparatus and control method of the same
JP6906945B2 (ja) Ｘ線診断システム
CN116803346A (zh) X射线透视拍摄装置、利用其的散射x射线分布推定方法以及图像处理装置
CN118830866A (zh) 一种x射线成像方法和x射线成像装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 24735776

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: CN2024800362470

Country of ref document: CN