WO2020079946A1 - フリッカ測定装置、フリッカ測定方法、フリッカ測定プログラム、フリッカ評価支援装置、フリッカ評価支援方法およびフリッカ評価支援プログラム - Google Patents
フリッカ測定装置、フリッカ測定方法、フリッカ測定プログラム、フリッカ評価支援装置、フリッカ評価支援方法およびフリッカ評価支援プログラム Download PDFInfo
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- 238000005259 measurement Methods 0.000 title claims abstract description 567
- 238000000034 method Methods 0.000 title claims description 119
- 238000011156 evaluation Methods 0.000 title claims description 83
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- 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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
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- G—PHYSICS
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- 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
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
- G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
- G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
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- 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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4247—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources
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- G—PHYSICS
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- 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
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
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- G01J2001/444—Compensating; Calibrating, e.g. dark current, temperature drift, noise reduction or baseline correction; Adjusting
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- H—ELECTRICITY
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- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/745—Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
Definitions
- the present invention relates to, for example, a technique for measuring a flicker value on a screen of a liquid crystal display.
- the spot-type flicker measuring device includes a probe, and measures the flicker value of the measurement region in the state where the probe is brought close to the measurement region (spot region) (for example, Patent Document 1).
- the two-dimensional flicker measuring device includes a two-dimensional image sensor and measures a flicker value in a two-dimensional area (for example, Patent Document 2).
- Respective flicker values of multiple measurement areas set on the display screen are measured in order to evaluate the flicker unevenness that occurs on the display screen.
- the flicker value of the two-dimensional region can be measured, so that one two-dimensional flicker measuring device can measure each flicker value of a plurality of measuring regions at once. .
- the flicker measurement conditions are different, the flicker unevenness may be different, so it is desirable to evaluate the flicker unevenness under multiple measurement conditions.
- the data to be managed for example, the content of each of the plurality of measurement conditions, the flicker value measured under each of the plurality of measurement conditions for each of the plurality of measurement regions set on the display screen
- Data needs to be managed efficiently.
- An object of the present invention is to provide a flicker measuring device, a flicker measuring method, and a flicker measuring program capable of efficiently managing data necessary for evaluating flicker unevenness.
- Another object of the present invention is to provide a flicker evaluation support device, a flicker evaluation support method, and a flicker evaluation support program that can support flicker evaluation based on data necessary for evaluation of flicker unevenness. is there.
- a flicker measurement device that reflects one aspect of the present invention includes a first processing unit, a second processing unit, and a third processing unit.
- the first processing unit based on the photometric amount of the measurement object obtained from the measurement object under the flicker measurement conditions, the flicker value of each of the plurality of measurement regions set in the measurement object.
- the first process for calculating is executed for each of the plurality of measurement conditions previously stored in the measurement condition storage unit.
- the second processing unit generates linking data in which the data including the flicker value of each of the plurality of measurement regions calculated by the first processing unit and the measurement condition are linked.
- the second process is performed for each of the plurality of measurement conditions.
- the third processing unit executes a third process for storing the linking data generated by the second processing unit in the linking data storage unit for each of the plurality of measurement conditions. .
- FIG. 7 is a flowchart illustrating an operation of the two-dimensional flicker measurement device according to the embodiment for measuring a flicker value.
- 7 is a flowchart illustrating measurement of a flicker value on a DUT screen, which is performed under measurement condition (1). It is an explanatory view explaining calculation of a flicker value about each of five measurement fields.
- It is a block diagram which shows the structure of the two-dimensional flicker measurement apparatus which concerns on a modification. It is a flowchart explaining operation
- FIG. 16 is an explanatory diagram illustrating an example of a graph generated by a generation unit in the first modified example. It is a flowchart explaining operation
- FIG. 16 is an explanatory diagram illustrating an example of a graph generated by a generation unit in the second modified example.
- FIG. 1 is an explanatory diagram illustrating the positional relationship between the two-dimensional flicker measurement device 2 and a plurality of smartphones SP.
- FIG. 2 is a schematic plan view of the plurality of smartphones SP viewed from the two-dimensional flicker measuring device 2.
- the measurement target has a function of displaying an image, and in the embodiment, the screen 1 of the DUT (hereinafter, DUT screen 1) will be described as an example.
- Liquid crystal displays mounted on mobile terminals such as smartphones and tablet terminals have greater flicker unevenness than liquid crystal displays driven by household power sources. Since the liquid crystal display mounted on a mobile terminal is battery-powered, a liquid crystal drive system, a liquid crystal structure, etc. have been adopted to make the battery last longer. These are factors that increase the flicker unevenness.
- the object to be measured is not limited to the liquid crystal display mounted on the mobile terminal, and may be a liquid crystal display driven by a household power supply.
- nine smartphones SP are arranged in a matrix on a table 91, and within a shooting range R of a shooting unit 21 (FIG. 3) included in the two-dimensional flicker measurement device 2, Nine smartphones SP are arranged. Since the smartphone SP is small, nine smartphones SP are arranged and the flicker is measured at one time. Although the number of smartphones SP has been described as an example, the number is not limited to this, and the number may be a plurality other than 9 or may be 1.
- the table 91 has a rectangular shape, and the table 91 has a first side part 911 to a fourth side part 914.
- a linear guide 92 extending in the vertical direction is arranged on the first side portion 911.
- the two-dimensional flicker measuring device 2 is arranged above the plurality of smartphones SP by the linear guide 92.
- the linear guide 92 includes a guide rail 921 and a block (not shown) that is movable along the guide rail 921 and to which the two-dimensional flicker measuring device 2 is fixed. Thereby, the two-dimensional flicker measuring device 2 can move in the linear direction along the guide rail 921.
- the two-dimensional flicker measurement device 2 sets a plurality of measurement areas 10 on the DUT screen 1 based on an instruction from the measurer.
- Five measurement areas 10 are two-dimensionally set on the DUT screen 1.
- the measurement area 10-3 is set at the center of the DUT screen 1, and the measurement areas 10-1, 10-2, 10-4, 10-5 are set at the four corners of the DUT screen 1.
- This setting is an example.
- the positions of the plurality of measurement regions 10 set on the DUT screen 1 provided in each of the nine smartphones SP are the same.
- the number of measurement areas 10 set on the DUT screen 1 may be plural and is not limited to five. Although a gap is formed between the adjacent measurement regions 10, the gap may not be formed.
- the shape of the measurement region 10 is rectangular, but is not limited to this and may be circular.
- FIG. 3 is a block diagram showing the configuration of the two-dimensional flicker measurement device 2 according to the embodiment.
- the two-dimensional flicker measurement device 2 includes a photographing unit 21, a control processing unit 22, a communication unit 23, and an operation unit 24.
- the imaging unit 21 includes an optical lens 211 and a two-dimensional image sensor 212.
- the optical lens 211 converges the light L from the entire DUT screen 1.
- the light L converged by the optical lens 211 is received by the two-dimensional image sensor 212.
- the two-dimensional image pickup element 212 is an image sensor having a two-dimensional image pickup area (for example, a CMOS sensor or a CCD sensor).
- the two-dimensional image pickup device 212 photographs the DUT screen 1 on which the image is displayed and outputs the luminance signal SG of the photographed image.
- the brightness signal SG is a specific example of a signal indicating the photometric amount.
- Luminance is the light intensity of the DUT screen 1 measured by the two-dimensional image sensor 212 having the spectral sensitivity characteristic of the visibility curve V ( ⁇ ).
- the brightness signal SG is a signal indicating this light intensity.
- the luminance signal SG will be described as an example, but an image information signal may be used.
- the image information signal is a light intensity signal (RAW image data) generated by the two-dimensional image sensor 212 when the two-dimensional image sensor 212 having an arbitrary spectral sensitivity characteristic shoots the DUT screen 1.
- the photometric quantity is a physical quantity that collectively refers to the luminance and image information signals.
- the control processing unit 22 executes various controls and processing necessary for the operation of the two-dimensional flicker measurement device 2.
- the control processing unit 22 includes, for example, a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a hardware processor such as an HDD (Hard Disk Drive), and the control processing unit 22. It is realized by a program and data for executing the function.
- the control processing unit 22 includes, as functional blocks, a control unit 221, a measurement condition storage unit 222, a first processing unit 223, a second processing unit 224, a third processing unit 225, and associated data storage.
- the unit 226 and the signal generation unit 227 are provided.
- the control unit 221 includes each unit of the control processing unit 22 (measurement condition storage unit 222, first processing unit 223, second processing unit 224, third processing unit 225, linking data storage unit 226, signal generation unit 227. ) According to the functions of the respective units, and controls the communication unit 23 and the operation unit 24.
- the measurement condition storage unit 222 stores a measurement condition list 222a, a display condition list 222b, and a calculation condition list 222c in advance.
- FIG. 4 is an explanatory diagram illustrating an example of the measurement condition list 222a.
- the measurement condition list 222a includes a plurality of measurement conditions. Since there are multiple measurement conditions, an ID (identification) is assigned to each measurement condition. For example, measurement condition (1) is assigned measurement condition ID 6-1 and measurement condition (2) is assigned measurement condition ID 6-2.
- Each of the plurality of measurement conditions includes a measurement condition ID6, a display condition ID7, and a calculation condition ID8.
- the measurement condition (1) includes a measurement condition ID 6-1, a display condition ID 7-1 and a calculation condition ID 8-1
- the measurement condition (2) includes a measurement condition ID 6-2, a display condition ID 7-2 and a calculation condition. It is composed of condition ID 8-2.
- FIG. 5 is an explanatory diagram illustrating an example of the display condition list 222b.
- the display condition list 222b is composed of a plurality of display conditions. Since there are a plurality of display conditions, an ID is assigned to each display condition. For example, the display condition (1) is given the display condition ID 7-1, and the display condition (2) is given the display condition ID 7-2.
- the display condition is a condition used to display the flicker measurement display pattern (first image) on the DUT screen 1 (measurement target).
- the DUT screen 1 is a TFT (Thin Film Transistor) liquid crystal panel. Therefore, the DUT screen 1 includes a common electrode (common electrode).
- the DUT screen 1 is not limited to a liquid crystal screen such as a TFT liquid crystal panel, but may be an OLED screen, for example.
- Display conditions consist of display condition ID7, drive frequency, common voltage, and display pattern definition list.
- the display condition ID7 is an ID given to this display condition.
- the drive frequency is the drive frequency of the DUT screen 1.
- the common voltage is a voltage applied to the common electrode of the DUT screen 1.
- the display pattern definition list is a definition of display patterns displayed on the DUT screen 1. By setting the R value, G value, and B value of each pixel of the DUT screen 1 to the values shown in this list, the display pattern defined in this list can be displayed on the DUT screen 1.
- FIG. 6 is an explanatory diagram illustrating an example of the calculation condition list 222c.
- the calculation condition list 222c is composed of a plurality of calculation conditions. Since there are multiple calculation conditions, an ID is assigned to each calculation condition. For example, the calculation condition (1) is given the calculation condition ID 8-1 and the calculation condition (2) is given the calculation condition ID 8-2.
- the calculation condition is a flicker value based on an image (second image) obtained by photographing the DUT screen 1 displaying the display pattern (first image) by the photographing unit 21 (FIG. 3). This is the condition used to calculate.
- the calculation condition includes a calculation condition ID 8, a shooting condition, and a region definition list.
- the calculation condition ID8 is an ID given to this calculation condition.
- the shooting conditions are the shooting interval and the number of shots of the display pattern displayed on the DUT screen 1 by the shooting unit 21.
- the measurer makes these settings in consideration of the flicker value measurement accuracy and the flicker value measurement time. For example, when the shooting interval is short and the number of shots is large, the measurement accuracy of the flicker value is improved, but the flicker value measurement time becomes long.
- the area definition list is a list that defines the positions of the five measurement areas 10 at the coordinates with the center of the DUT screen 1 (FIG. 2) as the origin.
- the area definition list is composed of reference coordinates, height and width.
- the position of the measurement area 10 is determined by the reference coordinates.
- the height and width determine the size of the measurement area 10.
- the heights h1 to h5 of the regions 10-1 to 10-5 may have the same value or different values.
- the widths w1 to w5 of the regions 10-1 to 10-5 may have the same value or different values.
- FIG. 7 is an explanatory diagram illustrating an example of the measurement area 10-1 defined by the area definition list.
- the reference coordinates (x1, y1) define the upper left corner of the measurement area 10-1.
- the coordinates (x1, y1-h1) define the lower left corner of the measurement area 10-1.
- the coordinates (x1 + w1, y1) define the upper right corner of the measurement area 10-1.
- the coordinates (x1 + w1, y1-h1) define the lower right corner of the measurement area 10-1.
- the control unit 221 reads one of the measurement conditions included in the measurement condition list 222a (FIG. 4) stored in the measurement condition storage unit 222.
- the control unit 221 reads the display condition (FIG. 5) to which the display condition ID7 included in the read measurement condition is assigned from the measurement condition storage unit 222.
- the control unit 221 reads out the calculation condition (FIG. 6) to which the calculation condition ID8 included in the read measurement condition is assigned from the measurement condition storage unit 222.
- the first processing unit 223 displays the DUT screen 1 obtained by the imaging unit 21 shooting the DUT screen 1 under the measurement condition read by the control unit 221.
- the first process of calculating the flicker value of each of the five measurement areas 10 set on the DUT screen 1 based on the photometric amount is executed for each of the plurality of measurement conditions (FIG. 4). Since the photographing unit 21 photographs the nine DUT screens 1, the first processing unit 223 executes the first process on each of the nine DUT screens 1.
- the first processing unit 223 determines each of the plurality of measurement regions 10 set for the measurement object based on the photometric amount of the measurement object obtained from the measurement object under the flicker measurement condition.
- the first process of calculating the flicker value is executed for each of the plurality of measurement conditions stored in advance in the measurement condition storage unit 222.
- the first processing unit 223 stores coordinate data indicating the shooting range R in advance, and is mounted on each of the nine smartphones SP in a state where the nine smartphones SP are arranged in the shooting range R.
- the coordinate data of the center of the DUT screen 1 (in other words, the DUT screens 1-1 to 1-9) is stored in advance.
- the first processing unit 223 uses the coordinate data and the area definition list (FIG. 6) to set the measurement areas 10-1 to 10-5 set in the DUT screens 1-1 to 1-9, respectively.
- a two-dimensional coordinate system indicating the relationship between the position and the position of the shooting range R is generated.
- FIG. 8 is an explanatory diagram illustrating an example of this two-dimensional coordinate system.
- the first processing unit 223 sets the coordinates of the center C-1 of the DUT screen 1-1 mounted on the smartphone SP-1 as the origin and sets the DUT screen 1-
- the positions of the five measurement areas 10 (measurement areas 10-1 to 10-5) set to 1 are determined, and the coordinates of the center C-2 of the DUT screen 1-2 mounted on the smartphone SP-2 are set.
- the positions of the five measurement areas 10 set on the DUT screen 1-2 are determined with the origin.
- the first processing unit 223 makes the same determination for the DUT screens 1-3 to 1-9 mounted on the smartphones SP-3 to SP-9.
- the positions of the five measurement regions 10 set on the nine DUT screens 1 are determined on the image (second image) captured by the image capturing unit 21.
- the first processing unit 223 controls the photometric amount of the DUT screens 1-1 to 1-9 obtained by the imaging unit 21 shooting the DUT screens 1-1 to 1-9.
- the flicker value of each of the measurement areas 10-1 to 10-5 set on the DUT screens 1-1 to 1-9 is calculated based on the above.
- a method of calculating the flicker value there are, for example, a contrast method and a JEITA (Japan Electronics and Information Technology Industries Association) method.
- the first processing unit 223 can calculate the flicker value by either the contrast method or the JEITA method. Note that the embodiment can be applied to other than these methods.
- the second processing unit 224 associates the data configured by the flicker values of the five measurement regions 10 calculated by the first processing unit 223 with the measurement condition read by the control unit 221.
- the second process of generating the linked data 25 is executed for each of the plurality of measurement conditions (FIG. 4). Since the photographing unit 21 photographs the nine DUT screens 1, the second processing unit 224 executes the second process on each of the nine DUT screens 1.
- the second processing unit 224 generates a linked data list 251 for each of the nine DUT screens 1.
- the linked data list 251 will be described by taking the case of the DUT screen 1-1 as an example.
- FIG. 9 is an explanatory diagram illustrating an example of the linked data list 251-1 related to the DUT screen 1-1.
- the association data list 251-1 is composed of the ID of the smartphone SP-1 equipped with the DUT screen 1-1 and a plurality of association data 25.
- the plurality of association data 25 correspond to a plurality of measurement conditions.
- the linking data 25-1 is the flicker value of each of the measurement areas 10-1 to 10-5 set on the DUT screen 1-1, which is measured under the measurement condition ID 6-1.
- the third processing unit 225 stores the associated data list 251 of each of the nine DUT screens 1 in the associated data storage unit 226.
- the linked data list 251 is composed of a plurality of linked data 25.
- the third processing unit 225 performs a plurality of processes regarding the third process of storing the linking data 25 regarding the DUT screen 1 generated by the second processing unit 224 in the linking data storage unit 226. This is executed for each of the measurement conditions (Fig. 4).
- the signal generator 227 generates a display pattern signal.
- the control unit 221 reads the display condition (FIG. 5) to which the display condition ID7 included in the read measurement condition (FIG. 4) is assigned from the measurement condition storage unit 222, and the signal generation unit 227 includes the display condition.
- the display pattern signal according to the display pattern definition list is generated.
- the communication unit 23 is a communication interface through which the two-dimensional flicker measuring device 2 communicates with an external device.
- the communication unit 23 is connected to each of the nine DUT screens 1 by a communication cable.
- the communication cable is, for example, a USB (Universal Serial Bus) cable.
- the control unit 221 causes the communication unit 23 to transmit the display pattern signal generated by the signal generation unit 227 to each of the nine smartphones SP. As a result, the display pattern (first image) is displayed on each of the DUT screens 1-1 to 1-9 shown in FIG.
- the operation unit 24 is realized by a touch panel, hard keys, or the like.
- the operation unit 24 is used for focusing the optical lens 211, inputting a flicker value measurement command, and the like.
- control processing unit 22 may be realized by a process by an FPGA (field programmable gate array) instead of or together with the process by the CPU.
- FPGA field programmable gate array
- some or all of the functions of the control processing unit 22 may be realized by processing by a dedicated hardware circuit instead of or in addition to the processing by software.
- the control processing unit 22 is composed of a plurality of elements shown in FIG. Therefore, the HDD, which is one of the hardware that implements the control processing unit 22, stores programs for implementing these elements. That is, this HDD stores programs for realizing each of the control unit 221, the first processing unit 223, the second processing unit 224, the third processing unit 225, and the signal generation unit 227. These programs are expressed as a control program, a first processing program, a second processing program, a third processing program, and a signal generation program.
- the first processing program, the second processing program, and the third processing program are expressed using element definitions.
- the first processing unit 223 and the first processing program will be described as an example.
- the first processing unit 223 determines the flicker value of each of the plurality of measurement regions 10 set in the measurement object based on the photometric amount of the measurement object obtained from the measurement object under the flicker measurement condition.
- the first processing to be calculated is executed for each of the plurality of measurement conditions stored in advance in the measurement condition storage unit 222.
- the first processing program calculates each flicker value of each of the plurality of measurement regions 10 set in the measurement object based on the photometric amount of the measurement object obtained from the measurement object under the flicker measurement condition.
- the first processing is a program executed for each of a plurality of measurement conditions stored in advance in the measurement condition storage unit 222.
- FIG. 10 is a flowchart explaining this operation.
- the measurer operates the operation unit 24 to give a flicker value measurement command. It is input to the control processing unit 22 (step S1).
- the first measurement condition (measurement condition (1)) is read.
- the control unit 221 reads the display condition (1) shown in FIG. 5 to which the display condition ID 7-1 included in the measurement condition (1) is assigned from the measurement condition storage unit 222 (step S3).
- the control unit 221 causes the signal generation unit 227 to generate the display pattern signal according to the display pattern definition list included in the display condition (1).
- the control unit 221 instructs the communication unit 23 to transmit a signal indicating the driving frequency included in the display condition (1), a signal indicating the common voltage, and a display pattern signal.
- the communication unit 23 transmits these signals to each of the nine smartphones SP. As a result, each of the nine smartphones SP drives the DUT screens 1-1 to 1-9 under the display condition (1).
- the control unit 221 reads out the calculation condition (1) shown in FIG. 6 to which the calculation condition ID 8-1 included in the measurement condition (1) is assigned from the measurement condition storage unit 222 (step S4).
- the control unit 221 instructs the image capturing unit 21 to image the nine smartphones SP under the image capturing conditions included in the calculation condition (1).
- the photographing unit 21 photographs nine smartphones SP under the photographing condition of the calculation condition (1) (step S5). As described above, each of the nine smartphones SP drives the DUT screens 1-1 to 1-9 under the display condition (1).
- the control unit 221 causes the first processing unit 223 to capture images of nine smartphones SP photographed under the photographing condition of the calculation condition (1) and the area definition list included in the calculation condition (1). Based on the above, a command to measure the flicker value of the DUT screen 1 (DUT screens 1-1 to 1-9) mounted on each of the nine smartphones SP is issued.
- the first processing unit 223 measures the flicker value of the DUT screens 1-1 to 1-9 according to this instruction (step S6). Details of this measurement will be described later.
- step S7 When the control unit 221 determines that the flicker value is measured under all the measurement conditions (Yes in step S7), the DUT screens 1-1 to 1-9 mounted on each of the nine smartphones SP are , And issues a command to generate the linked data list 251 of each DUT screen 1.
- the second processing unit 224 generates the linking data list 251 (linking data list 251-1 to 251-9) of each of the DUT screens 1-1 to 1-9 according to this instruction (step S9).
- FIG. 9 shows an example of the linked data list 251-1 on the DUT screen 1-1.
- the control unit 221 gives an instruction to store the association data lists 251-1 to 251-9 in the association data storage unit 226. According to this instruction, the third processing unit 225 stores the associating data lists 251-1 to 251-9 in the associating data storage unit 226 (step S10).
- i indicates the order of images (second images) captured by the capturing unit 21.
- j indicates the order of the measurement areas 10-1 to 10-5.
- the first processing unit 223 is the i-th image among a plurality of images (second images) arranged in time series obtained by photographing under the photographing condition included in the calculation condition (1) shown in FIG.
- the image of is acquired (step S21).
- the first image (second image) is acquired.
- the first image is the first image. Since the image capturing unit 21 is capturing the moving images of the nine smartphones SP, the i-th image means the i-th frame.
- the first processing unit 223 acquires the brightness values of all the pixels forming the j-th measurement region 10 included in the image acquired in step S21 (step S22).
- the first measurement area 10 (measurement area 10-1) is the target.
- the first processing unit 223 acquires the representative value of the brightness values acquired in step S22 (step S23).
- the representative value of the brightness value is a value indicating a statistical tendency of the brightness value of the measurement area 10.
- the representative value of the brightness values is, for example, the average value of the brightness values of all the pixels that configure the measurement area 10. Note that, when the sensitivity varies depending on the position on the two-dimensional image sensor 212 and the thermal noise is large, for example, the median value may be the representative value of the brightness values.
- the first processing unit 223 determines whether or not the representative value of the brightness value has been acquired for all of the measurement areas 10-1 to 10-5 (step S24).
- step S24 When the first processing unit 223 determines that the representative values of the brightness values have been acquired for all of the measurement areas 10-1 to 10-5 (Yes in step S24), the plurality of images arranged in the time series described above ( It is determined whether or not the processes of steps S21 to S24 have been performed for all the second images) (step S26).
- FIG. 12 is an explanatory diagram illustrating the calculation of the flicker value for each of the measurement areas 10-1 to 10-5. The calculation of the flicker value will be briefly described by taking the first measurement region 10 (measurement region 10-1) as an example.
- the first processing unit 223 uses the representative value of the brightness value of the measurement area 10-1 obtained from each of the first to last images (second image) (that is, the measurement area obtained from the first image).
- the flicker value of the measurement area 10-1 is calculated using the (representative value).
- the number of the first to last images is the number of shots.
- the first processing unit 223 determines that the flicker value has been calculated for all of the measurement areas 10-1 to 10-5 (Yes in step S29)
- the DUT screen executed under the measurement condition (1) is displayed.
- the measurement of the flicker value of 1-1 is completed.
- the tying data 25 includes the flicker values of the measurement areas 10-1 to 10-5 set on the DUT screen 1 measured under the flicker measurement conditions and the measurement conditions. It is the linked data.
- the two-dimensional flicker measurement device 2 according to the embodiment generates the association data 25 for each of the plurality of measurement conditions, and stores the association data 25 in the association data storage unit 226. Therefore, according to the two-dimensional flicker measuring device 2 according to the embodiment, even if the data necessary for the evaluation of the flicker unevenness increases, it can be efficiently managed.
- FIG. 13 is a block diagram showing the configuration of the two-dimensional flicker measuring device 2a according to the modification.
- the two-dimensional flicker measurement device 2a is based on the two-dimensional flicker measurement device 2 according to the embodiment shown in FIG. 3, and the control processing unit 22 includes a flicker evaluation support device 228.
- the linking data list 251 relating to these DUT screens 1 is stored in the linking data storage unit 226.
- the linking data storage unit 226 stores 1000 linking data lists 251.
- the flicker value statistics are obtained using the linked data list 251 relating to these DUT screens 1.
- the flicker evaluation support device 228 is provided in the two-dimensional flicker measurement device 2a, but may be a device independent of the two-dimensional flicker measurement device 2a. In this case, the flicker evaluation support device 228 reads the linking data 25 included in the linking data list 251 stored in the linking data storage unit 226 included in the two-dimensional flicker measuring device 2a, and the flicker value statistics are read. Ask for.
- the flicker evaluation support device 228 includes a calculator 2281, a generator 2282, and an output unit 2283.
- the calculation unit 2281 calculates the flicker value statistic (statistical value).
- the generation unit 2282 generates a graph showing the flicker value statistics.
- the graph may be, for example, a box plot or an Xbar-R control chart.
- the generation unit 2282 may change the type of graph according to the purpose of collecting statistics.
- the output unit 2283 outputs the graph.
- the output unit 2283 may be a display control unit that displays a graph on the display unit or a printing unit that prints the graph.
- the display control unit may display a graph on a display (display unit) provided in the operation unit 24, or a display of a computer device capable of communicating with the two-dimensional flicker measurement device 2a.
- a graph may be displayed on the (display unit).
- the output unit 2283 is a printing unit
- a printer (printing unit) capable of communicating with the two-dimensional flicker measuring device 2a prints the graph.
- Modifications include a first modification and a second modification.
- the first modification will be described.
- the calculation unit 2281 includes a linked data list 251 for each of a plurality of measurement conditions (FIG. 4) obtained from each of a large number of DUT screens 1 (a plurality of DUT screens 1) of the same model.
- the flicker value statistic is calculated for each of the plurality of measurement conditions based on the linking data 25 (FIG. 9) included in the above.
- the generation unit 2282 generates a graph showing the flicker value statistics calculated by the calculation unit 2281 for each of the plurality of measurement conditions.
- the output unit 2283 outputs the graph generated by the generation unit 2228.
- the HDD which is one of the hardware that realizes the control processing unit 22, stores programs for realizing each of the calculation unit 2281, the generation unit 2282, and the output unit 2283. These programs are expressed as a calculation program, a generation program, and an output program. These programs are expressed using the definitions of the calculation unit 2281, the generation unit 2282, and the output unit 2283.
- the calculation unit 2281 and the calculation program will be described as an example.
- the calculation unit 2281 is as described above.
- the calculation program is based on the linking data 25 included in the linking data list 251 relating to each of the plurality of measurement conditions obtained from each of the plurality of DUT screens 1, and based on the flicker value for each of the plurality of measurement conditions. It is a program that calculates the statistical amount of.
- a flowchart of these programs (calculation program, generation program, output program) executed by the CPU, which is one of the hardware that realizes the control processing unit 22, is FIG. 14 described later. The above description can be applied to the second modified example described
- FIG. 14 is a flowchart explaining this operation.
- the calculation unit 2281 acquires the linking data 25 regarding the first measurement condition (measurement condition (1)).
- the linking data 25 regarding the nth measurement condition is data in which the measurement condition ID 6 assigned to the nth measurement condition and the flicker value of each of the measurement areas 10-1 to 10-5 are linked. .
- the number of DUT screens 1 of the same model is 1000, for example, the number of linking data 25 regarding the n-th measurement condition is 1000.
- the calculating unit 2281 uses the flicker value included in the acquired linking data 25 (here, the measurement areas 10-1 to 10-5 are not distinguished), and calculates the flicker value statistic amount regarding the n-th measurement condition (for example, the minimum flicker value, the first quartile of the flicker value, the median flicker value (second quartile), the third quartile of the flicker value, and the maximum flicker value are calculated (steps). S42).
- the statistic of the flicker value regarding the first measurement condition (measurement condition (1)) is calculated.
- the second measurement condition (measurement condition (2)) is targeted.
- the generation unit 2282 causes the flicker values measured under each of the plurality of measurement conditions.
- a graph showing the statistic of the value is generated (step S45).
- the output unit 2283 outputs the graph generated by the generating unit 2228 (step S46).
- FIG. 15 is an explanatory diagram illustrating an example of the graph generated by the generation unit 2282 in the first modified example.
- This graph is a box plot.
- the plurality of measurement conditions are three measurement conditions.
- the maximum value of the flicker value is changed with respect to the change amount of the median flicker value.
- the amount of change is large. From this, it can be seen that the flicker value of a specific measurement area 10 is large.
- a graph showing the flicker value statistics is output for each of a plurality of measurement conditions. Therefore, the developer, designer, manufacturer, etc. of the DUT screen 1 can develop, design, manufacture, etc. the DUT screen 1 with reference to this.
- the second modified example will be described.
- the flicker value statistic for each of the plurality of measurement conditions is obtained, but in the second modified example, the flicker value of each of the measurement regions 10-1 to 10-5 (the plurality of measurement regions 10) is calculated.
- the definitions of the measurement areas 10-1 to 10-5 are fixed, so that the plurality of measurement conditions (FIG. 4) have the same calculation condition but different display conditions.
- the calculation condition of each of the plurality of measurement conditions is the calculation condition (1).
- the calculation unit 2281 includes a linked data list 251 for each of a plurality of measurement conditions (FIG. 4) obtained from each of a large number of DUT screens 1 (a plurality of DUT screens 1) of the same model.
- a flicker value statistic is calculated for each of the measurement areas 10-1 to 10-5 based on the linking data 25 included in the.
- the generation unit 2282 generates a graph showing the flicker value statistics calculated by the calculation unit 2281 for each of the measurement areas 10-1 to 10-5.
- the output unit 2283 outputs the graph generated by the generation unit 2228.
- FIG. 16 is a flowchart explaining this operation.
- j indicates the number of the measurement region 10
- n indicates the number of the measurement condition.
- the flicker value of the j-th measurement area 10 measured under the conditions is acquired (step S51).
- the calculation unit 2281 acquires the flicker value of the first measurement region 10 (measurement region 10-1) measured under the first measurement condition.
- the calculation unit 2281 determines whether or not the flicker value of the jth measurement region 10 has been acquired for all of the plurality of measurement conditions (step S52).
- the first measurement area 10 (measurement area 10-1) is the target.
- the second measurement condition is targeted.
- the calculation unit 2281 determines that the flicker value of the jth measurement region 10 has been acquired for all of the plurality of measurement conditions (Yes in step S52), it calculates the jth flicker value based on the flicker values acquired so far. A flicker value statistic for the measurement area 10 is calculated (step S54).
- the first measurement area 10 (measurement area 10-1) is the target.
- the second measurement area 10 (measurement area 10-2) is the target.
- the generation unit 2282 causes the measurement regions 10-1 to 10- A graph showing the flicker value statistics for each of the 5 is generated (step S57).
- the output unit 2283 outputs the graph generated by the generation unit 2282 (step S58).
- FIG. 17 is an explanatory diagram illustrating an example of the graph generated by the generation unit 2282 in the second modified example.
- This graph is a box plot.
- the flicker value statistics are shown for the measurement areas 10-1 to 10-3, and the flicker value statistics are omitted for the measurement areas 10-4 to 10-5.
- a graph showing the flicker value statistics is output for each of the measurement areas 10-1 to 10-5 set on the DUT screen 1. Therefore, the developer, designer, manufacturer, etc. of the DUT screen 1 can develop, design, manufacture, etc. the DUT screen 1 with reference to this.
- the flicker measurement device is Regarding a first process for calculating the flicker value of each of a plurality of measurement areas set in the measurement target based on the photometric amount of the measurement target obtained from the measurement target under the flicker measurement condition
- a first processing unit that executes each of the plurality of measurement conditions stored in advance in the measurement condition storage unit;
- a second processing unit for executing each of the measurement conditions of
- a third processing unit that executes the linking data generated by the second processing unit in each of the plurality of measurement conditions for the third process of storing the linking data in the linking data storage unit;
- the flicker measuring device may be a spot type flicker measuring device or a two-dimensional flicker measuring device.
- the measurement condition storage unit and the association data storage unit may be provided in the flicker measurement device, or may be provided in another device (for example, a computer device capable of communicating with the flicker measurement device).
- the photometric quantity is a physical quantity that collectively refers to luminance and image information signals.
- the brightness is the light intensity of the DUT screen measured by the two-dimensional image sensor or probe having the spectral sensitivity characteristic of the visibility curve V ( ⁇ ).
- the image information signal is a light intensity signal (RAW image data) generated by the two-dimensional image sensor when the two-dimensional image sensor having an arbitrary spectral sensitivity characteristic captures a DUT screen.
- the linking data is data in which the flicker value of each of the plurality of measurement areas set in the measurement target measured under the flicker measurement condition and the measurement condition are linked.
- the flicker measurement device according to the first aspect of the embodiment generates linking data for each of a plurality of measurement conditions, and stores the linking data in the linking data storage unit. Therefore, according to the flicker measurement device according to the first aspect of the embodiment, even if the amount of data required for the evaluation of flicker unevenness increases, it can be efficiently managed.
- the flicker measuring device is a two-dimensional flicker measuring device including a photographing unit including a two-dimensional image sensor, and the first processing unit is obtained by the photographing unit photographing the measurement object.
- the flicker value of each of the plurality of measurement regions set in the measurement object is calculated based on the measured photometric amount of the measurement object.
- the two-dimensional flicker measurement device may be a device manufactured for flicker measurement, or a computer device (for example, a personal computer, a tablet terminal, a smartphone) in which a flicker measurement program is installed.
- a computer device for example, a personal computer, a tablet terminal, a smartphone
- an imaging unit (camera) built in the device captures an object to be measured.
- a photographing unit (camera) externally attached to the computer device photographs the measuring object.
- the measurement conditions include display conditions used for displaying a first image for flicker measurement on the measurement target, and the measurement target for which the imaging unit is displaying the first image. And a calculation condition used for calculating the flicker value based on a second image obtained by photographing an object.
- the first image can be paraphrased as a test pattern and display pattern.
- the display condition includes, for example, the drive frequency and the common voltage used by the measurement object to display the first image, and the definition of the first image.
- the calculation conditions include, for example, the respective positions and sizes of the plurality of measurement regions, and the shooting interval and the number of shots of the first image displayed on the measurement target.
- the flicker measurement method is Regarding a first process for calculating the flicker value of each of a plurality of measurement areas set in the measurement target based on the photometric amount of the measurement target obtained from the measurement target under the flicker measurement condition
- a plurality of second processes for generating linking data in which the data including the flicker value of each of the plurality of measurement regions calculated in the first processing step and the measurement condition are linked A second processing step for each of the measurement conditions of
- the flicker measurement method according to the second aspect of the embodiment defines the flicker measurement apparatus according to the first aspect of the embodiment from the viewpoint of the method, and the same effects as the flicker measurement apparatus according to the first aspect of the embodiment. Have.
- the flicker measurement program is Regarding a first process for calculating the flicker value of each of a plurality of measurement areas set in the measurement target based on the photometric amount of the measurement target obtained from the measurement target under the flicker measurement condition
- a second processing step for each of the measurement conditions of A third processing step of executing the linking data generated by the second processing step in each of the plurality of measurement conditions with respect to the third processing of storing the linking data in the linking data storage unit; Let the computer run.
- the flicker measurement program according to the third aspect of the embodiment defines the flicker measurement device according to the first aspect of the embodiment from the viewpoint of the program, and the same effects as the flicker measurement device according to the first aspect of the embodiment. Have.
- a flicker evaluation support device is A flicker evaluation support device for supporting flicker evaluation based on the linking data stored in a linking data storage unit,
- the linking data stored in the linking data storage unit is A first process of calculating a flicker value for each of a plurality of measurement regions set in the measurement target based on a photometric amount of the measurement target obtained from the measurement target under the flicker measurement condition.
- the flicker evaluation support device A calculator that calculates a statistic of the flicker value for each of the plurality of measurement conditions, based on the linking data related to each of the plurality of measurement conditions, obtained from each of the plurality of measurement objects.
- a generation unit that generates a graph showing the statistic calculated by the calculation unit
- An output unit that outputs the graph generated by the generation unit.
- the graph showing the flicker value statistics is, for example, a box plot or an Xbar-R control chart.
- the flicker evaluation support device outputs a graph showing the flicker value statistics for each of a plurality of measurement conditions. Therefore, the developer, designer, manufacturer or the like of the measuring object can develop, design or manufacture the measuring object with reference to it.
- a flicker evaluation support method is A flicker evaluation support method for supporting flicker evaluation based on the linking data stored in a linking data storage unit,
- the linking data stored in the linking data storage unit is A first process of calculating a flicker value for each of a plurality of measurement regions set in the measurement target based on a photometric amount of the measurement target obtained from the measurement target under the flicker measurement condition.
- the flicker evaluation support method A calculation step of calculating a statistic of the flicker value for each of the plurality of measurement conditions, based on the linking data related to each of the plurality of measurement conditions, obtained from each of the plurality of measurement objects.
- a generation step of generating a graph showing the statistic calculated by the calculation step An output step of outputting the graph generated by the generating step.
- the flicker evaluation support method according to the fifth aspect of the embodiment defines the flicker evaluation support apparatus according to the fourth aspect of the embodiment from the viewpoint of the method, and is similar to the flicker evaluation support apparatus according to the fourth aspect of the embodiment. Has the effect of.
- the flicker evaluation support program according to the sixth aspect of the embodiment, A flicker evaluation support program for supporting flicker evaluation based on the tying data stored in the tying data storage unit,
- the linking data stored in the linking data storage unit is A first process of calculating a flicker value for each of a plurality of measurement regions set in the measurement target based on a photometric amount of the measurement target obtained from the measurement target under the flicker measurement condition.
- the flicker evaluation support program is A calculation step of calculating a statistic of the flicker value for each of the plurality of measurement conditions, based on the linking data related to each of the plurality of measurement conditions, obtained from each of the plurality of measurement objects.
- the flicker evaluation support program according to the sixth aspect of the embodiment defines the flicker evaluation support device according to the fourth aspect of the embodiment from the viewpoint of the program, and is the same as the flicker evaluation support device according to the fourth aspect of the embodiment. Has the effect of.
- a flicker evaluation support device is A flicker evaluation support device for supporting flicker evaluation based on the linking data stored in a linking data storage unit,
- the linking data stored in the linking data storage unit is A first process of calculating a flicker value for each of a plurality of measurement regions set in the measurement target based on a photometric amount of the measurement target obtained from the measurement target under the flicker measurement condition.
- the flicker evaluation support device A calculation unit that calculates a statistic of the flicker value for each of the plurality of measurement regions, based on the linking data regarding each of the plurality of measurement conditions obtained from each of the plurality of measurement objects.
- a generation unit that generates a graph showing the statistic calculated by the calculation unit
- An output unit that outputs the graph generated by the generation unit.
- the graph showing the flicker value statistics is, for example, a box plot or an Xbar-R control chart.
- the flicker evaluation support device outputs a graph showing the flicker value statistics for each of the plurality of measurement regions set in the measurement object. Therefore, the developer, designer, manufacturer or the like of the measuring object can develop, design or manufacture the measuring object with reference to it.
- a flicker evaluation support method is A flicker evaluation support method for supporting flicker evaluation based on the linking data stored in a linking data storage unit,
- the linking data stored in the linking data storage unit is A first process of calculating a flicker value for each of a plurality of measurement regions set in the measurement target based on a photometric amount of the measurement target obtained from the measurement target under the flicker measurement condition.
- the flicker evaluation support method A calculating step of calculating a statistic of the flicker value for each of the plurality of measurement regions, based on the linking data related to each of the plurality of measurement conditions, obtained from each of the plurality of measurement objects.
- the flicker evaluation support method according to the eighth aspect of the embodiment defines the flicker evaluation support apparatus according to the seventh aspect of the embodiment from the viewpoint of the method, and is the same as the flicker evaluation support apparatus according to the seventh aspect of the embodiment. Has the effect of.
- the flicker evaluation support program for supporting flicker evaluation based on the tying data stored in the tying data storage unit
- the linking data stored in the linking data storage unit is A first process of calculating a flicker value for each of a plurality of measurement regions set in the measurement target based on a photometric amount of the measurement target obtained from the measurement target under the flicker measurement condition.
- the flicker evaluation support program is A calculating step of calculating a statistic of the flicker value for each of the plurality of measurement regions, based on the linking data related to each of the plurality of measurement conditions, obtained from each of the plurality of measurement objects.
- the flicker evaluation support program according to the ninth aspect of the embodiment defines the flicker evaluation support device according to the seventh aspect of the embodiment from the viewpoint of the program, and is the same as the flicker evaluation support device according to the seventh aspect of the embodiment. Has the effect of.
- a flicker measurement device it is possible to provide a flicker measurement device, a flicker measurement method, a flicker measurement program, a flicker evaluation support device, a flicker evaluation support method, and a flicker evaluation support program.
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Abstract
Description
実施形態の第1局面に係るフリッカ測定装置は、
フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行する第1の処理部と、
前記第1の処理部によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行する第2の処理部と、
前記第2の処理部によって生成された前記紐付けデータを、紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行する第3の処理部と、を備える。
フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行する第1の処理ステップと、
前記第1の処理ステップによって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行する第2の処理ステップと、
前記第2の処理ステップによって生成された前記紐付けデータを、紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行する第3の処理ステップと、を備える。
フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行する第1の処理ステップと、
前記第1の処理ステップによって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行する第2の処理ステップと、
前記第2の処理ステップによって生成された前記紐付けデータを、紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行する第3の処理ステップと、をコンピュータに実行させる。
紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援装置であって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援装置は、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定条件のそれぞれについて、前記フリッカ値の統計量を算出する算出部と、
複数の前記測定条件のそれぞれについて、前記算出部によって算出された前記統計量を示すグラフを生成する生成部と、
前記生成部によって生成された前記グラフを出力する出力部と、を備える。
紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援方法であって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援方法は、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定条件のそれぞれについて、前記フリッカ値の統計量を算出する算出ステップと、
複数の前記測定条件のそれぞれについて、前記算出ステップによって算出された前記統計量を示すグラフを生成する生成ステップと、
前記生成ステップによって生成された前記グラフを出力する出力ステップと、を備える。
紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援プログラムであって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援プログラムは、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定条件のそれぞれについて、前記フリッカ値の統計量を算出する算出ステップと、
複数の前記測定条件のそれぞれについて、前記算出ステップによって算出された前記統計量を示すグラフを生成する生成ステップと、
前記生成ステップによって生成された前記グラフを出力する出力ステップと、をコンピュータに実行させる。
紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援装置であって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援装置は、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定領域のそれぞれについて、前記フリッカ値の統計量を算出する算出部と、
複数の前記測定領域のそれぞれについて、前記算出部によって算出された前記統計量を示すグラフを生成する生成部と、
前記生成部によって生成された前記グラフを出力する出力部と、を備える。
紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援方法であって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援方法は、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定領域のそれぞれについて、前記フリッカ値の統計量を算出する算出ステップと、
複数の前記測定領域のそれぞれについて、前記算出ステップによって算出された前記統計量を示すグラフを生成する生成ステップと、
前記生成ステップによって生成された前記グラフを出力する出力ステップと、を備える。
紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援プログラムであって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援プログラムは、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定領域のそれぞれについて、前記フリッカ値の統計量を算出する算出ステップと、
複数の前記測定領域のそれぞれについて、前記算出ステップによって算出された前記統計量を示すグラフを生成する生成ステップと、
前記生成ステップによって生成された前記グラフを出力する出力ステップと、をコンピュータに実行させる。
Claims (12)
- フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行する第1の処理部と、
前記第1の処理部によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行する第2の処理部と、
前記第2の処理部によって生成された前記紐付けデータを、紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行する第3の処理部と、を備えるフリッカ測定装置。 - 前記フリッカ測定装置は、二次元撮像素子を含む撮影部を備える二次元フリッカ測定装置であり、
前記第1の処理部は、前記撮影部が前記測定対象物を撮影することにより得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の前記測定領域のぞれぞれの前記フリッカ値を算出する、請求項1に記載のフリッカ測定装置。 - 前記測定条件は、
フリッカ測定用の第1の画像を前記測定対象物に表示させるのに用いられる表示条件と、
前記撮影部が前記第1の画像を表示している前記測定対象物を撮影して得られた第2の画像を基にして、前記フリッカ値を算出するのに用いられる算出条件と、を含む、請求項2に記載のフリッカ測定装置。 - 前記算出条件は、複数の前記測定領域のそれぞれの位置およびサイズ、並びに、前記測定対象物に表示された前記第1の画像の撮影間隔および撮影枚数を含む、請求項3に記載のフリッカ測定装置。
- フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行する第1の処理ステップと、
前記第1の処理ステップによって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行する第2の処理ステップと、
前記第2の処理ステップによって生成された前記紐付けデータを、紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行する第3の処理ステップと、を備えるフリッカ測定方法。 - フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行する第1の処理ステップと、
前記第1の処理ステップによって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行する第2の処理ステップと、
前記第2の処理ステップによって生成された前記紐付けデータを、紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行する第3の処理ステップと、をコンピュータに実行させるフリッカ測定プログラム。 - 紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援装置であって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援装置は、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定条件のそれぞれについて、前記フリッカ値の統計量を算出する算出部と、
複数の前記測定条件のそれぞれについて、前記算出部によって算出された前記統計量を示すグラフを生成する生成部と、
前記生成部によって生成された前記グラフを出力する出力部と、を備えるフリッカ評価支援装置。 - 紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援方法であって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援方法は、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定条件のそれぞれについて、前記フリッカ値の統計量を算出する算出ステップと、
複数の前記測定条件のそれぞれについて、前記算出ステップによって算出された前記統計量を示すグラフを生成する生成ステップと、
前記生成ステップによって生成された前記グラフを出力する出力ステップと、を備えるフリッカ評価支援方法。 - 紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援プログラムであって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援プログラムは、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定条件のそれぞれについて、前記フリッカ値の統計量を算出する算出ステップと、
複数の前記測定条件のそれぞれについて、前記算出ステップによって算出された前記統計量を示すグラフを生成する生成ステップと、
前記生成ステップによって生成された前記グラフを出力する出力ステップと、をコンピュータに実行させるフリッカ評価支援プログラム。 - 紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援装置であって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援装置は、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定領域のそれぞれについて、前記フリッカ値の統計量を算出する算出部と、
複数の前記測定領域のそれぞれについて、前記算出部によって算出された前記統計量を示すグラフを生成する生成部と、
前記生成部によって生成された前記グラフを出力する出力部と、を備えるフリッカ評価支援装置。 - 紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援方法であって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援方法は、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定領域のそれぞれについて、前記フリッカ値の統計量を算出する算出ステップと、
複数の前記測定領域のそれぞれについて、前記算出ステップによって算出された前記統計量を示すグラフを生成する生成ステップと、
前記生成ステップによって生成された前記グラフを出力する出力ステップと、を備えるフリッカ評価支援方法。 - 紐付けデータ記憶部に記憶されている紐付けデータを基にして、フリッカの評価を支援するフリッカ評価支援プログラムであって、
前記紐付けデータ記憶部に記憶されている前記紐付けデータは、
前記フリッカの測定条件の下で測定対象物から得られる前記測定対象物の測光量を基にして、前記測定対象物に設定された複数の測定領域のそれぞれのフリッカ値を算出する第1の処理について、測定条件記憶部に予め記憶されている複数の前記測定条件のそれぞれに対して実行され、
前記第1の処理によって算出された複数の前記測定領域のそれぞれの前記フリッカ値で構成されるデータと、前記測定条件と、を紐付けた前記紐付けデータを生成する第2の処理について、複数の前記測定条件のそれぞれに対して実行され、
前記第2の処理によって生成された前記紐付けデータを、前記紐付けデータ記憶部に記憶させる第3の処理について、複数の前記測定条件のそれぞれに対して実行されて得られ、
前記フリッカ評価支援プログラムは、
複数の前記測定対象物のそれぞれから得られた、複数の前記測定条件のそれぞれに関する前記紐付けデータを基にして、複数の前記測定領域のそれぞれについて、前記フリッカ値の統計量を算出する算出ステップと、
複数の前記測定領域のそれぞれについて、前記算出ステップによって算出された前記統計量を示すグラフを生成する生成ステップと、
前記生成ステップによって生成された前記グラフを出力する出力ステップと、をコンピュータに実行させるフリッカ評価支援プログラム。
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