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WO2023234035A1 - Dispositif de commande, dispositif de mesure d'énergie, procédé de commande, procédé de mesure d'énergie, programme de commande et programme de mesure d'énergie - Google Patents

Dispositif de commande, dispositif de mesure d'énergie, procédé de commande, procédé de mesure d'énergie, programme de commande et programme de mesure d'énergie Download PDF

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Publication number
WO2023234035A1
WO2023234035A1 PCT/JP2023/018472 JP2023018472W WO2023234035A1 WO 2023234035 A1 WO2023234035 A1 WO 2023234035A1 JP 2023018472 W JP2023018472 W JP 2023018472W WO 2023234035 A1 WO2023234035 A1 WO 2023234035A1
Authority
WO
WIPO (PCT)
Prior art keywords
photographing
color
light
coloring member
amount
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/JP2023/018472
Other languages
English (en)
Japanese (ja)
Inventor
善朗 山崎
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.)
Fujifilm Corp
Original Assignee
Fujifilm Corp
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 Fujifilm Corp filed Critical Fujifilm Corp
Publication of WO2023234035A1 publication Critical patent/WO2023234035A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/48—Photometry, e.g. photographic exposure meter using chemical effects
    • G01J1/50—Photometry, e.g. photographic exposure meter using chemical effects using change in colour of an indicator, e.g. actinometer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/52—Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K17/00—Measuring quantity of heat
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes

Definitions

  • the present disclosure relates to a control device, an energy measurement device, a control method, an energy measurement method, a control program, and an energy measurement program.
  • a coloring member that develops color depending on energy such as applied pressure, heat, and ultraviolet rays.
  • a coloring member there is, for example, Prescale (registered trademark) (manufactured by Fuji Film Co., Ltd.), which can obtain a coloring density depending on the applied pressure.
  • pressure measurement is performed based on an image representing a colored member included in a photographed image obtained by placing a pressure measurement sheet (for example, prescale) on a calibration sheet.
  • a pressure measurement sheet for example, prescale
  • Photographed images of colored members may be affected by the photographing environment, such as the lighting environment in which the photograph is taken, the characteristics of the photographing device, the photographing angle, and the photographing distance. Therefore, in order to improve measurement accuracy, it is necessary to It is desired to suppress the impact of
  • the present disclosure provides a control device, an energy measurement device, a control method, an energy measurement method, a control program, and a control device, an energy measurement device, a control method, an energy measurement method, a control program, and an energy measurement device that can obtain a captured image in which the influence of shooting environment light is suppressed when photographing a color-forming member for measuring energy. and energy measurement programs.
  • a control device includes at least one processor, and when a coloring member that develops color with a density distribution according to an applied energy amount is photographed by a photographing device, the processor controls the amount of photographing environment light. Control is performed to irradiate photographing light from the irradiation device to suppress the influence.
  • the processor may control the irradiation device to emit photographing light regardless of the amount of photographing light.
  • the amount of photographing light emitted by the irradiation device may be larger than the amount of photographing environment light.
  • a fourth aspect of the present disclosure is that in the first aspect, when the illuminance due to the photographing environment light is X lux, the luminous flux of the photographing light is 0.1 ⁇ X lumens or more and 0.5 ⁇ X lumens or less. Good too.
  • the processor controls the irradiation device to emit photographing light when photographing the color-forming member, and controls the photographing environment light when photographing the color-forming member. Control may be performed to irradiate photographing light from the irradiation device depending on the situation.
  • a sixth aspect of the present disclosure is that in the first aspect, when the processor receives an irradiation prohibition instruction that prohibits the irradiation of photographing light from the irradiation device, the processor controls the irradiation of the photographing light instead of controlling the irradiation device to irradiate the photographing light. Control may be performed to prohibit light irradiation.
  • An energy measuring device includes at least one processor, and when a coloring member that develops a color with a density distribution according to the applied energy amount is photographed by a photographing device, A control device that controls the irradiation of photographing light from the irradiation device in order to suppress the effects of coloring acquires a color-forming member image representing the color-forming member photographed with the photographing light irradiated from the irradiation device onto the color-forming member. Then, the amount of energy applied to the coloring member is derived based on the color of the coloring member image using data in which the relationship between the amount of energy applied to the coloring member and the color of the coloring member image is determined in advance.
  • a control method provides a method for irradiating photographing light for suppressing the influence of photographing environment light when photographing a coloring member that develops color with a density distribution according to the amount of applied energy using a photographing device. This is a method in which a computer executes the process of controlling the irradiation from the device.
  • An energy measuring method is such that when a coloring member that develops color with a density distribution according to the amount of applied energy is photographed using a photographing device, photographing light is used to suppress the influence of photographing environment light.
  • a control device that controls the irradiation from the irradiation device acquires a coloring member image representing the coloring member photographed while the coloring member is irradiated with photographic light from the irradiation device, and calculates the amount of energy applied to the coloring member.
  • a computer executes a process of deriving the amount of energy applied to the coloring member based on the color of the coloring member image, using data in which the relationship between the color of the coloring member image and the color of the coloring member image is determined in advance.
  • a control program irradiates photographing light for suppressing the influence of photographing environment light when photographing a coloring member that develops color with a density distribution according to the amount of applied energy using a photographing device.
  • the computer executes the process of controlling the irradiation from the device.
  • An energy measurement program provides a method for controlling photographing light for suppressing the influence of photographing environment light when photographing a coloring member that develops color with a density distribution according to the amount of applied energy using a photographing device.
  • a control device that controls the irradiation from the irradiation device acquires a coloring member image representing the coloring member photographed while the coloring member is irradiated with photographic light from the irradiation device, and calculates the amount of energy applied to the coloring member.
  • a computer is caused to perform a process of deriving the amount of energy applied to the coloring member based on the color of the coloring member image using data in which a relationship between the coloring member image and the color of the coloring member image is determined in advance.
  • control device the energy measurement device, the control method, the energy measurement method, the control program, and the energy measurement program according to the present disclosure are configured to be able to detect the influence of the photographing environment light in photographing a color-forming member for measuring energy. It is possible to obtain a photographed image in which the effects are suppressed.
  • FIG. 1 is a configuration diagram schematically showing an example of the overall configuration of an energy measurement system according to an exemplary embodiment.
  • FIG. 3 is a schematic diagram showing how a photographed image is photographed. It is a figure showing an example of a calibration member.
  • FIG. 2 is a block diagram showing an example of the hardware configuration of a smartphone.
  • FIG. 2 is a block diagram showing an example of a functional configuration of a smartphone.
  • 3 is a flowchart illustrating an example of irradiation control processing.
  • FIG. 3 is a diagram for explaining an example of a screen displayed on a display. It is a flowchart which shows an example of measurement processing.
  • FIG. 1 shows a configuration diagram showing an example of the overall configuration of an energy measurement system 1 according to the present exemplary embodiment.
  • the energy measurement system 1 of this exemplary embodiment includes a server 4, a database 6, and a smartphone 10.
  • the server 4 and the smartphone 10 are connected to each other via a wired or wireless network so that they can communicate with each other.
  • the energy measurement system 1 of this exemplary embodiment measures the amount of energy using a coloring member 30 that develops color with a density distribution depending on the amount of applied energy when energy such as pressure, heat, and ultraviolet rays is applied. It is a system for Specifically, with the flash 12 of the smartphone 10 turned on and the photographing light F irradiated, the coloring member 30 to which energy has been applied is photographed by the camera 11, and from the photographed image 8 obtained by photographing. The amount of energy applied to the coloring member 30 is derived.
  • the camera 11 of the smartphone 10 of this exemplary embodiment is an example of the photographing device of the present disclosure
  • the flash 12 is an example of the irradiation device.
  • the smartphone 10 of the present disclosure is an example of the control device and energy measurement device of the present disclosure.
  • Prescale registered trademark (manufactured by Fujifilm Corporation), which develops color with a density distribution depending on the amount of applied pressure, can be used.
  • Prescale is a sheet-like support coated with a coloring agent containing microcapsules containing a colorless dye and a color developer.
  • the coloring agent contains multiple types of microcapsules having different sizes and strengths, the amount of microcapsules destroyed varies depending on the applied pressure, and the coloring density also varies. Therefore, by observing the color density, the magnitude and pressure distribution of the pressure applied to the prescale can be measured.
  • the coloring member 30 may include Thermoscale (trade name) (manufactured by Fujifilm Corporation), which develops color with a density distribution depending on the amount of heat applied, and a thermoscale, which develops color with a density distribution depending on the amount of ultraviolet light applied.
  • UV scale (trade name) (manufactured by Fuji Film Corporation) or the like may be applied.
  • the server 4 of this exemplary embodiment is a general-purpose computer in which a software program that provides the functionality of a database management system (DBMS) is installed.
  • the server 4 acquires the captured image 8 and the amount of energy derived from the captured image 8 from the smartphone 10 and stores it in the database 6.
  • the connection form between the server 4 and the database 6 is not particularly limited; for example, they may be connected via a data bus, or may be connected via a network such as NAS (Network Attached Storage) or SAN (Storage Area Network). It may also be in the form of
  • the coloring member 30 placed on the calibration member 20 is irradiated with the photographing light F from the flash 12 of the smartphone 10. Then, a photograph is taken using the camera 11 of the smartphone 10. Thereby, the smartphone 10 acquires a photographed image 8 including the calibration member 20 and the coloring member 30.
  • the photographed image 8 may be affected by the lighting environment in which the picture is taken, the characteristics of the camera 11, the photographing angle, the photographing distance, and the like.
  • the calibration member 20 is for correcting these influences on the photographed image 8.
  • the calibration member 20 of this exemplary embodiment will be described in detail.
  • the calibration member 20 is, for example, a support made of paper, resin, etc., and formed into a sheet or plate shape. Note that FIG. 3 shows a state in which the coloring member 30 is placed on the calibration member 20, and the surface of the calibration member 20 that is photographed with the coloring member 30 placed thereon (hereinafter referred to as (referred to as "imaging surface 20S") is shown.
  • the imaging surface 20S includes a first area 20A where the coloring member 30 is placed and a second area 20B where a plurality of patches 25 are placed.
  • the first area 20A in this exemplary embodiment is a central area of the imaging surface 20S, and is surrounded by a frame 21.
  • the second area 20B is an area around the first area 20A on the imaging surface 20S. In other words, the second area 20B is an area outside the frame 21 on the imaging surface 20S.
  • the smartphone 10 of the energy measurement system 1 of this exemplary embodiment corrects the distortion, tilt, and size of the captured image 8 using the frame 21 shown on the imaging surface 20S of the calibration member 20 (details will be described later). .
  • the frame 21 that is, the first area 20A
  • the accuracy of correcting the distortion, tilt, and size of the photographed image 8 can be improved, so it is preferable that the frame 21 is rectangular.
  • the photographing surface 20S includes a plurality of patches 25 extending along each side of the rectangular frame 21.
  • a pair of first patch groups 22A and 22B are arranged at opposing positions with the first region 20A interposed therebetween.
  • At least one of the first patch groups 22A and 22B includes a plurality of patches 25 of different colors.
  • at least one of the first patch groups 22A and 22B may include a plurality of patches 25 having the same hue and different density. In other words, the colors of the plurality of patches 25 included in at least one of the first patch groups 22A and 22B may be different from each other.
  • the color and number of patches 25 included in the first patch group 22A may be the same as or different from the color and number of patches 25 included in the first patch group 22B.
  • the first patch groups 22A and 22B include a plurality of patches 25 arranged in the X direction and the Y direction. Note that it is preferable that the number of patches 25 arranged in the X direction (16 in the example of FIG. 3) is greater than the number of patches 25 arranged in the Y direction (2 in the example of FIG. 3).
  • a pair of second patch groups 24A and 24B are arranged at opposing positions with the first region 20A interposed therebetween.
  • At least one of the second patch groups 24A and 24B includes a plurality of patches 25 of different colors.
  • at least one of the second patch groups 24A and 24B may include a plurality of patches 25 having the same hue and different density. In other words, the colors of the plurality of patches 25 included in at least one of the second patch groups 24A and 24B may be different from each other.
  • the color and number of patches 25 included in the second patch group 24A may be the same as or different from the color and number of patches 25 included in the second patch group 24B.
  • the second patch groups 24A and 24B include a plurality of patches 25 arranged in the X direction and the Y direction. Note that it is preferable that the number of patches 25 arranged in the Y direction (24 in the example of FIG. 3) is greater than the number of patches 25 arranged in the X direction (2 in the example of FIG. 3).
  • the number of patches 25 included in each of the first patch groups 22A and 22B and the number of patches 25 included in each of the second patch groups 24A and 24B may be the same or different.
  • the number of patches 25 included in each of the first patch groups 22A and 22B is 32
  • the number of patches 25 included in each of the second patch groups 24A and 24B is 48.
  • the color of at least one patch 25 included in at least one of the first patch groups 22A and 22B may be the same as the color of at least one patch 25 included in at least one of the second patch groups 24A and 24B.
  • a patch 25 having the same color as a patch 25 included in at least one of the first patch groups 22A and 22B may be included in at least one of the second patch groups 24A and 24B.
  • the plurality of patches 25 included in each of the first patch groups 22A and 22B and the second patch groups 24A and 24B may have the same size, shape, and angle, respectively.
  • the plurality of patches 25 included in each of the first patch groups 22A and 22B and the second patch groups 24A and 24B have the same size and angle. It has a rectangular shape.
  • the imaging surface 20S also includes a first patch group and a second patch group included in at least one combination of the first patch group and second patch group that are adjacent to each other in the circumferential direction of the first area 20A. Preferably, it includes a blank area located in between. "A combination of a first patch group and a second patch group that are adjacent to each other in the circumferential direction of the first region 20A" specifically refers to a combination of the first patch group 22A and the second patch group 24A, the first patch group 22A and the second patch group 24B, a combination of the first patch group 22B and the second patch group 24A, and a combination of the first patch group 22B and the second patch group 24B.
  • the imaging surface 20S includes four blank areas arranged between each of the first patch group and the second patch group (i.e., all of the four combinations described above) that are adjacent to each other in the circumferential direction of the first area 20A. Contains 26.
  • the photographing surface 20S includes a figure 27 arranged in a blank area 26 arranged between the first patch group and the second patch group.
  • This graphic 27 is used to indicate the range that should be included in the angle of view when the user photographs the calibration member 20 and the coloring member 30. Therefore, in order to make it easy to understand the range to be included in the angle of view, it is preferable that the photographing surface 20S includes four figures 27 arranged in each of the four blank areas 26, as shown in FIG. In the example shown in FIG. 3, the four figures 27 placed in each of the four blank areas 26 are similar to each other.
  • the photographed image 8 is photographed by the camera 11 at a photographing position where the four figures 27 placed in each of the blank areas 26 fit within the angle of view, the first patch group 22A and 22B and the second patch group 24A and 24B are formed. , and the coloring member 30 placed in the first area 20A can be photographed so as to fit within the angle of view.
  • the image representing the coloring member 30 included in the photographed image 8 (hereinafter referred to as the "coloring member image”) is affected by the photographing environment such as the lighting environment in which the photographing is performed, the characteristics of the camera 11, the photographing angle, and the photographing distance. .
  • the light irradiated onto the coloring member 30 has a large influence on the color tone of the coloring member image included in the photographed image 8.
  • the amount and wavelength of the light that is applied to the coloring member 30 during photographing is different depending on the photographing environment (hereinafter referred to as "photographing environment light”).
  • the coloring member images included in the photographed image 8 may have different hues.
  • the color tone of the coloring member image included in the photographed image 8 is affected by the photographing environment light.
  • the smartphone 10 of this exemplary embodiment performs control to emit photographing light F from the flash 12 to suppress the influence of photographing environment light.
  • the influence of environmental light on the color tone of a coloring member image included in a photographed image 8 is reduced.
  • the light emitted from the flash 12 and used for photographing the coloring member 30 is referred to as "photographing light” (photographing light F), and light emitted from natural light or workplace lighting, etc.
  • photography environment light Light based on the environment and not caused by the flash 12 is referred to as "photography environment light.”
  • the photographing light F for suppressing the influence of the photographing environment light for example, light having a larger amount of light than the photographing environment light can be mentioned. Further, when the illuminance of the photographing environment light is X lux, if the illuminance of the photographing light F is less than X lux, the influence of the photographing environment light becomes relatively large.
  • an actual value measured at the place where the coloring member 30 is photographed may be used, or an estimated value may be used, for example, based on the illuminance according to the illuminance standards specified by JIS etc. .
  • the illuminance standards specified by JIS etc. For example, according to the general lighting standards of the JIS Z9110 standard, for example, 2000 lux is required for instrument panels and control panels in control rooms, precision instruments, manufacturing of electronic parts, and extremely detailed work in printing factories; , 1000 lux for detailed visual work such as drafting room, sorting and inspection in a textile factory, typesetting and proofreading in a printing factory, and analysis in a chemical factory, and normal visual work in general manufacturing processes, etc. In this case, 500 lux is set as the illuminance standard.
  • the luminous flux of the photographing light F is preferably 200 lumens or more and 1000 lumens or less. Further, when the illuminance of the photographing environment light is 1000 lux, the luminous flux of the photographing light F is preferably 100 lumens or more and 500 lumens or less. Further, when the illuminance of the photographing environment light is 500 lux, the luminous flux of the photographing light F is preferably 50 lumens or more and 250 lumens or less.
  • the smartphone 10 includes a CPU (Central Processing Unit) 80, a nonvolatile storage section 82, and a memory 81 as a temporary storage area.
  • the smartphone 10 also includes a display 84 such as a liquid crystal display, an input section 88, a network I/F (Interface) 86, a camera 11, and a flash 12.
  • the CPU 80, storage unit 82, memory 81, display 84, input unit 88, network I/F 86, camera 11, and flash 12 are connected to each other via a bus 89 such as a system bus and a control bus so that they can exchange various information. has been done.
  • the storage unit 82 is realized by, for example, a storage medium such as an HDD (Hard Disk Drive), an SSD (Solid State Drive), and a flash memory.
  • the storage unit 82 stores an irradiation control program 83A and a measurement program 83B.
  • the CPU 80 reads the irradiation control program 83A from the storage unit 82, loads it into the memory 81, and executes the loaded irradiation control program 83A. Further, the CPU 80 reads the measurement program 83B from the storage unit 82, expands it into the memory 81, and executes the expanded measurement program 83B.
  • the CPU 80 is an example of the processor of the control device of the present disclosure, and is also an example of the processor of the energy measurement device of the present disclosure.
  • the irradiation control program 83A of the present exemplary embodiment is an example of the control program of the present disclosure
  • the measurement program 83B is an example of the energy measurement program of the present disclosure.
  • the input unit 88 is for receiving user operations, and is, for example, a touch panel, buttons, keyboard, mouse, etc.
  • the camera 11 of this exemplary embodiment employs a touch panel display in which the display 84 and the input section 88 are integrated.
  • the network I/F 86 performs wired or wireless communication with the server 4 and other external devices (not shown).
  • the camera 11 has a plurality of sensors having different spectral sensitivities, and under the control of the CPU 80, the sensor photographs a subject and outputs an image signal of the photographed image 8.
  • the smartphone 10 includes an irradiation control section 90.
  • the CPU 80 functions as the irradiation control section 90 by executing the irradiation control program 83A.
  • the irradiation control unit 90 has a function of controlling irradiation of the flash 12 with the photographing light F for suppressing the influence of photographing environment light when photographing the coloring member 30 with the camera 11.
  • the camera 11 has at least two modes for photographing: a coloring member photographing mode in which the coloring member 30 is photographed, and a normal photographing mode in which normal photographing is performed.
  • the flash 12 is controlled by the irradiation control section 90.
  • the irradiation control section 90 controls the irradiation of the photographing light F by the flash 12.
  • the irradiation control unit 90 controls the irradiation of the photographing light F by the flash 12 in accordance with a user's instruction.
  • the forced light emission mode is a light emission mode in which the flash 12 is turned on to irradiate the photographic subject with the photographic light F regardless of the photographing environment light.
  • the normal light emission mode is a light emission mode in which the flash 12 is turned on according to the shooting environment light and the shooting light F is emitted onto the shooting subject. If the light intensity of the shooting environment light is sufficient, the flash 12 is not turned on. , the photographing light F is not irradiated onto the photographing subject.
  • the irradiation control unit 90 performs the shooting according to the set flash mode. Controls irradiation/non-irradiation of light F.
  • the user uses the input unit 88 to instruct the activation of the camera 11 and the shooting mode.
  • the smartphone 10 starts the camera 11.
  • the smartphone 10 sets the received shooting mode.
  • the irradiation control process shown in FIG. 6 is executed by the CPU 80 executing the irradiation control program 83A.
  • the irradiation control process is executed, for example, in response to activation of the camera 11.
  • step S10 the irradiation control unit 90 determines whether the photographing mode is a coloring member photographing mode in which photographing of the coloring member 30 is executed. If the set photographing mode is not the coloring member photographing mode, for example, if the normal photographing mode is set, the determination in step S10 becomes a negative determination, and the irradiation control process shown in FIG. 6 ends. In this case, since it is the normal photographing mode, the flash 12 is turned on in a light emission mode according to the user's instruction, and the photographing light F is emitted. On the other hand, if the set photographing mode is the coloring member photographing mode, the determination in step S10 is affirmative, and the process moves to step S12.
  • step S12 the irradiation control unit 90 sets the forced light emission mode as the light emission mode of the flash 12.
  • the forced flash mode is set in this way, as described above, when photographing is performed using the camera 11, the flash 12 is turned on and the photographing light F is irradiated onto the photographic subject. Therefore, a photographed image 8 is obtained in which the coloring member 30 is irradiated with the photographing light F.
  • the irradiation control process shown in FIG. 6 ends.
  • the smartphone 10 includes an acquisition section 92, a correction section 94, a derivation section 96, and a measurement control section 98.
  • the CPU 80 executes the measurement program 83B, the CPU 80 functions as the acquisition section 92, the correction section 94, the derivation section 96, and the measurement control section 98.
  • the acquisition unit 92 acquires a photographed image 8 including an image representing the calibration member 20 (hereinafter referred to as a “calibration member image”) and a coloring member image of the coloring member 30, taken by the camera 11.
  • a photographed image 8 including an image representing the calibration member 20 (hereinafter referred to as a “calibration member image”) and a coloring member image of the coloring member 30, taken by the camera 11.
  • the correction unit 94 extracts an image representing the frame 21 (hereinafter referred to as a "frame image") from the captured image 8, and corrects distortion, tilt, and size of the captured image 8 based on the shape of the extracted frame image. Correct at least one.
  • a method for extracting a frame image a known method using edge extraction processing in an image or the like can be applied as appropriate. Specifically, when the frame 21 is rectangular, the frame image is also rectangular, and the correction unit 94 performs projective transformation, affine transformation, etc. so that the four corners of the frame image extracted from the photographed image 8 are each 90 degrees. to correct the distortion, tilt, and size of the photographed image 8.
  • the correction unit 94 performs calibration on the captured image 8 acquired by the acquisition unit 92 using an image representing the patch 25 included in the captured image 8 (hereinafter referred to as a “patch image”). Specifically, the correction unit 94 corrects the captured image 8 based on the color of the patch image of the patch 25 included in the first patch group 22A and 22B and the second patch group 24A and 24 included in the captured image 8. The color (for example, at least one of hue and density) of the included coloring member image is calibrated. As a calibration method, any known method can be applied as appropriate.
  • a reference color is stored in advance in the storage unit 82 for each patch 25 included in the calibration member 20, and the correction unit 94 adjusts the color of the photographed image 8 to adjust the color of the plurality of patches included in the photographed image 8. Match the color of each image to its respective reference color.
  • each of the first patch groups 22A and 22B and the second patch groups 24A and 24B may include patches 25 of the same color.
  • the patches 25 that are originally formed in the same color may appear to have different colors on the photographed image 8 due to the influence of the photographing environment such as the lighting environment in which the photograph is taken, the characteristics of the camera 11, the photographing angle, and the photographing distance.
  • the correction unit 94 may adjust the color of the photographed image 8 so that the average color of the patch images corresponding to the patches 25 formed of the same color matches the reference color.
  • the correction unit 94 may adjust the color of the photographed image 8 so that the color of the patch image closest to the reference color among the patches 25 formed with the same color matches the reference color. good.
  • correction unit 94 may perform calibration using some of the patch images of the plurality of patches 25 included in each of the first patch groups 22A and 22B and the second patch groups 24A and 24B. .
  • the correction unit 94 may change the patch 25 used for calibration depending on the type of coloring member 30.
  • prescales as an example of the coloring member 30 are manufactured in a plurality of types with different measurable pressure ranges, such as those for low pressure, medium pressure, and high pressure.
  • a thermoscale, a UV scale, etc. can also be used in addition to the prescale.
  • the correction unit 94 adjusts the type of the coloring member 30 according to the coloring member image among the patch images of the plurality of patches 25 included in the first patch group 22A and 22B and the second patch group 24A and 24B. Calibration may be performed using patch images of some of the patches 25 determined in advance. The correspondence between the type of coloring member 30 and the patch 25 used for calibration may be stored in the storage unit 82 in advance, for example.
  • the type of the photographed coloring member 30 may be inputted by the user via the input unit 88, or an identification code indicating the type of the coloring member 30 may be attached to the coloring member 30, and the correction unit 94 may input the type of the coloring member 30 photographed. It may be specified by reading the identification code from the image 8.
  • the correction unit 94 corrects the distortion, tilt, size, and color of the photographed image 8, thereby adjusting the lighting environment in which the photograph is performed, the characteristics of the camera 11, etc. that may occur when the user performs photographing. It is possible to correct the influence of the photographing environment, such as the photographing angle and photographing distance.
  • the influence of the photographing environment light is suppressed by performing photographing with the camera 11 while the coloring member 30 is irradiated with the photographing light F by the flash 12.
  • the captured image 8 captured by the camera 11 becomes an image in which the influence of the above-mentioned shooting environment, particularly the shooting environment light, is reduced. Therefore, according to the present exemplary embodiment, it is possible to appropriately reduce or eliminate the process of correcting the coloring member image described above, and the processing load related to the correction process can be reduced.
  • the deriving unit 96 derives the amount of energy applied to the coloring member 30 based on the color of the coloring member image after calibration by the correction unit 94. Specifically, data in which the relationship between the amount of energy applied to the coloring member 30 and the color of the coloring member 30 is predetermined is stored in advance in the storage unit 82, and the deriving unit 96 uses the data. , the color of the coloring member image included in the photographed image 8 may be converted into an amount of energy. Note that data in which the relationship between the amount of energy applied to the coloring member 30 and the color of the coloring member 30 is determined in advance may be prepared in advance for each type of coloring member 30 and stored in the storage unit 82.
  • the derivation unit 96 may derive various indicators regarding the amount of energy applied to the coloring member 30.
  • Various indicators include, for example, the energy distribution obtained by deriving the amount of energy for each pixel of the colored image corresponding to the colored area of the colored member 30 (hereinafter referred to as "colored area"), and the energy amount of the colored area. These are representative values such as the maximum value, minimum value, average value, and median value.
  • the area of the coloring region the proportion of the area of the coloring region whose energy amount is within a predetermined range, the uniformity of the energy amount of the coloring region, and the load of the coloring region (area of the coloring region and energy product of the average values of quantities), etc.
  • Another example is the degree of agreement or deviation from the standard when a standard is predetermined regarding the degree of coloring (ie, energy amount and energy distribution) of the coloring member 30.
  • the measurement control unit 98 controls the display 84 to display the photographed image 8 whose distortion, inclination, size, and color have been corrected by the correction unit 94 and various indicators related to the energy amount derived by the derivation unit 96. conduct.
  • FIG. 7 shows an example of a screen D displayed on the display 84 by the measurement control unit 98. On the screen D, the coloring member image 31 in the photographed image 8 and various indicators related to the amount of energy derived from the coloring member image 31 are displayed.
  • the measurement control unit 98 may extract the coloring member image 31 from the photographed image 8 and control the image to be displayed on the display 84.
  • the "pressure area” on screen D shown in FIG. 7 means the area of the above-mentioned coloring region.
  • Average pressure means the average value of the energy amount in the above coloring region.
  • Load means the product of pressurized area and average pressure.
  • Uniformity of pressure values means uniformity of pressure values in the coloring region.
  • the measurement control unit 98 may receive input of supplementary information regarding the photographed image 8.
  • Screen D displays the type of coloring member 30, pressure type, room temperature, and humidity as an example of additional information regarding the photographed image 8, and displays a pull-down menu P for accepting input thereof.
  • pressure types include instantaneous pressure, which indicates the magnitude of the pressure instantaneously applied to the prescale, and continuous pressure, which indicates the time integral of the magnitude of the pressure continuously applied to the prescale, etc.
  • additional information includes identification information of the calibration member 20, the coloring member 30, the user who applied energy to the coloring member 30, the user who photographed the coloring member 30, and the user's evaluation result regarding the amount of energy. , and various test conditions.
  • the measurement control unit 98 transmits at least one of the photographed image 8 before correction by the correction unit 94, the photographed image 8 after correction, the coloring member image 31, and the coloring member image 31 after correction to the network I/F 86. to the server 4 via. Furthermore, the measurement control unit 98 transmits to the server 4 various indicators related to the amount of energy derived by the derivation unit 96 and the incidental information inputted.
  • the server 4 stores information received from the smartphone 10 (measurement control unit 98) in the database 6 in association with the captured image 8.
  • the measurement process shown in FIG. 8 is executed by the CPU 80 executing the measurement program 83B.
  • the measurement process is executed, for example, when the user issues an instruction to start execution via the input unit 88.
  • step S100 the acquisition unit 92 acquires the photographed image 8, which is photographed by the camera 11 and includes the calibration member image of the calibration member 20 and the coloring member image 31 of the coloring member 30.
  • the correction unit 94 extracts the frame image of the frame 21 from the captured image 8 acquired in step S100, and corrects the distortion, inclination, and tilt of the captured image 8 based on the shape of the extracted frame image. Correct at least one of the sizes.
  • the correction unit 94 calibrates the color of the photographed image 8 (particularly the coloring member image 31 included in the photographed image 8) using the patch image included in the photographed image 8 corrected in step S102. I do.
  • the derivation unit 96 derives the amount of energy applied to the coloring member 30 based on the color of the coloring member image 31 calibrated in step S104 above.
  • the measurement control unit 98 controls the display 84 to display the coloring member image 31 calibrated in the above step S104 and the energy amount derived in the above step S106. Through this control, screen D shown in FIG. 7 is displayed on the display 84.
  • the process of step S108 ends, the information processing shown in FIG. 8 ends.
  • the irradiation control unit 90 of the smartphone 10 of the above embodiment suppresses the influence of the photographing environment light when the camera 11 photographs the coloring member 30 that develops color with a density distribution according to the amount of applied energy. Control is performed to irradiate photographing light F from the flash 12 for the purpose of photographing.
  • the smartphone 10 of the above embodiment when photographing the coloring member 30, the flash 12 irradiates the photographing light F onto the coloring member 30, so that the influence of the photographing environment light can be suppressed. . Therefore, according to the smartphone 10 of the above embodiment, when photographing a coloring member for measuring energy, it is possible to obtain a photographed image in which the influence of the photographing environment light is reduced.
  • the photographing light F is forcedly, that is, always irradiated from the flash 12 onto the photographing target (coloring member 30) during photographing by the camera 11. It was.
  • the invention is not limited to this embodiment, and even in the color-forming member photographing mode, if the user inputs an instruction to prohibit the irradiation of the photographing light F through the input unit 88, the irradiation control unit 90 controls the irradiation of the photographing light F from the flash 12. Control may be performed to prohibit irradiation.
  • the photographing device is not limited to the camera 11 provided in the smartphone 10.
  • a digital camera or the like provided separately from the smartphone 10 may be used as the photographing device.
  • the photographing device and the energy measuring device may be separate bodies.
  • the irradiation device is not limited to the flash 12 provided in the smartphone 10.
  • a light provided separately from the smartphone 10 may be used as the irradiation device.
  • the smartphone 10 is applied as an example of the control device and energy measurement device of the present disclosure has been described above, each of the control device and the energy measurement device is not limited to the smartphone 10.
  • a tablet terminal, a wearable terminal, a personal computer, etc. may be applied as each of the control device and the energy measurement device.
  • the control device of this indication and the energy measurement device were integrated as the smart phone 10 above, the control device and the energy measurement device of this indication may be separate bodies.
  • the hardware of processing units such as the irradiation control unit 90, the acquisition unit 92, the correction unit 94, the derivation unit 96, and the measurement control unit 98
  • the various processors mentioned above include the CPU, which is a general-purpose processor that executes software (programs) and functions as various processing units, as well as circuits that are manufactured after manufacturing, such as FPGA (Field Programmable Gate Array).
  • a programmable logic device which is a processor whose configuration can be changed, and a dedicated electrical device, which is a processor with a circuit configuration specifically designed to execute a specific process, such as an ASIC (Application Specific Integrated Circuit) Includes circuits, etc.
  • PLD programmable logic device
  • ASIC Application Specific Integrated Circuit
  • One processing unit may be composed of one of these various processors, or a combination of two or more processors of the same type or different types (for example, a combination of multiple FPGAs, or a combination of a CPU and an FPGA). combination). Further, the plurality of processing units may be configured with one processor.
  • one processor is configured with a combination of one or more CPUs and software, as typified by computers such as a client and a server.
  • a processor functions as multiple processing units.
  • processors that use a single IC (Integrated Circuit) chip, such as System On Chip (SoC), which implements the functions of an entire system including multiple processing units. be.
  • SoC System On Chip
  • various processing units are configured using one or more of the various processors described above as a hardware structure.
  • circuitry that is a combination of circuit elements such as semiconductor elements can be used.
  • each of the irradiation control program 83A and the measurement program 83B is stored (installed) in the storage unit 82 in advance, but the present invention is not limited to this.
  • Each of the irradiation control program 83A and the measurement program 83B is recorded on a recording medium such as a CD-ROM (Compact Disc Read Only Memory), a DVD-ROM (Digital Versatile Disc Read Only Memory), and a USB (Universal Serial Bus) memory. It may also be provided in a different format.
  • each of the irradiation control program 83A and the measurement program 83B may be downloaded from an external device via a network. That is, the program (program product) described in this exemplary embodiment may be provided in a recording medium or may be distributed from an external computer.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

L'invention concerne un dispositif de commande comprenant au moins un processeur, le processeur réalisant une commande pour amener une lumière d'imagerie à briller à partir d'un dispositif d'éclairage, ladite lumière d'imagerie étant destinée à supprimer l'influence d'une lumière d'environnement d'imagerie lorsqu'un dispositif d'imagerie est utilisé pour imager un organe de coloration qui colore dans une distribution d'obscurité correspondant à la quantité d'énergie appliquée.
PCT/JP2023/018472 2022-06-03 2023-05-17 Dispositif de commande, dispositif de mesure d'énergie, procédé de commande, procédé de mesure d'énergie, programme de commande et programme de mesure d'énergie Ceased WO2023234035A1 (fr)

Applications Claiming Priority (2)

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JP2022091061 2022-06-03
JP2022-091061 2022-06-03

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WO2023234035A1 true WO2023234035A1 (fr) 2023-12-07

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PCT/JP2023/018472 Ceased WO2023234035A1 (fr) 2022-06-03 2023-05-17 Dispositif de commande, dispositif de mesure d'énergie, procédé de commande, procédé de mesure d'énergie, programme de commande et programme de mesure d'énergie

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TW (1) TW202413895A (fr)
WO (1) WO2023234035A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001094728A (ja) * 1999-09-21 2001-04-06 Minolta Co Ltd 画像入力装置
JP2019537740A (ja) * 2016-12-07 2019-12-26 浙江吉利控股集団有限公司Ｚｈｅｊｉａｎｇ Ｇｅｅｌｙ Ｈｏｌｄｉｎｇ Ｇｒｏｕｐ Ｃｏ．，Ｌｔｄ． 携帯端末
WO2021235364A1 (fr) * 2020-05-22 2021-11-25 富士フイルム株式会社 Dispositif, procédé et programme d'analyse de pression de surface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001094728A (ja) * 1999-09-21 2001-04-06 Minolta Co Ltd 画像入力装置
JP2019537740A (ja) * 2016-12-07 2019-12-26 浙江吉利控股集団有限公司Ｚｈｅｊｉａｎｇ Ｇｅｅｌｙ Ｈｏｌｄｉｎｇ Ｇｒｏｕｐ Ｃｏ．，Ｌｔｄ． 携帯端末
WO2021235364A1 (fr) * 2020-05-22 2021-11-25 富士フイルム株式会社 Dispositif, procédé et programme d'analyse de pression de surface

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