WO2007108134A1 - Programme et procede de generation de motif d'essai et programme de reglage d'affichage employant ce motif d'essai - Google Patents

Programme et procede de generation de motif d'essai et programme de reglage d'affichage employant ce motif d'essai Download PDF

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Publication number
WO2007108134A1
WO2007108134A1 PCT/JP2006/305875 JP2006305875W WO2007108134A1 WO 2007108134 A1 WO2007108134 A1 WO 2007108134A1 JP 2006305875 W JP2006305875 W JP 2006305875W WO 2007108134 A1 WO2007108134 A1 WO 2007108134A1
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Prior art keywords
test pattern
frame
value
display
displayed
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PCT/JP2006/305875
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English (en)
Japanese (ja)
Inventor
Kimitaka Murashita
Masayoshi Shimizu
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Fujitsu Limited
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Priority to PCT/JP2006/305875 priority Critical patent/WO2007108134A1/fr
Priority to JP2008506136A priority patent/JP4851509B2/ja
Publication of WO2007108134A1 publication Critical patent/WO2007108134A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers

Definitions

  • Test pattern generation program and method and display adjustment program using the test pattern
  • the present invention relates to a test pattern generation program and method used for adjusting a display device such as a CRT or a liquid crystal display, and a display adjustment program using the test pattern.
  • Display devices such as PC monitors and TVs (hereinafter collectively referred to as “displays”) are variously adjusted at the time of development and at the time of shipment. (E.g. skipping, reversal of gradation, unnatural increase / decrease in brightness).
  • Fig. 1 shows a conventional color bar.
  • the evaluator confirmed the color display defects using the color bar shown in Fig. 1 and a test chart that combines natural or human images. In that case, multiple such color bars and test charts were displayed, and the parameters such as the LSI of the display were set after confirming the appearance after adjustment.
  • FIG. 2 is a flowchart of a conventional test pattern generation process described in Patent Document 1.
  • Patent Document 1 discloses a test pattern in which a test pattern arranged in a spiral shape is used and a color initially arranged in a spiral shape is changed according to time.
  • test pattern is arranged in a spiral shape and the position is moved according to time. Basically, this is a parameter that does not change to a test pattern that is limited in color. There is a possibility that the adjustment failure has no power to see.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 5-252542
  • An object of the present invention is to provide a program and a method for generating a test pattern that can easily cause a malfunction during display adjustment, and an adjustment program using the test chart.
  • the test pattern generation program of the present invention causes the computer to change the value of the first element among the three elements of color according to the value of the first coordinate of the frame, Generating a frame in which the value of the second element is changed in accordance with the value of the second coordinate of the frame; frame generating means; and in the generated frame, the third element
  • a plurality of frame generating means for generating a plurality of frames whose values are uniformly changed according to a time axis value, and a moving image generation for generating a test pattern for sequentially displaying the plurality of frames according to the value of the third element Function as a means.
  • test pattern generation program of the present invention is capable of generating a test pattern using three types of elements different from the three colors used.
  • test pattern generation program of the present invention further includes display means for displaying the test pattern, and when the test pattern is displayed on the display means, the display means cannot display the color! / A specific color is displayed in the test pattern area. Is desirable.
  • a display adjustment program includes a computer.
  • test pattern selection means for selecting the type of test pattern to be generated, and the first and second elements of the three types of colors selected by the test pattern selection means at positions within one frame.
  • Original test pattern generation means for generating an original test pattern in which the third element is changed in accordance with a time axis
  • parameter setting means for setting parameters used when converting the original test pattern, and the original
  • the test pattern is converted based on the set parameters and functions as a conversion unit that generates a converted test pattern and a display unit that displays the converted test pattern.
  • the display means displays the original test pattern and the converted test pattern simultaneously or individually. Further, in the display adjustment program of the present invention, it is desirable that the element to be changed according to the position in the frame and the element to be changed according to the time axis are different from each other.
  • the display adjustment program of the present invention is capable of generating a test pattern using three types of elements different from the three elements of the used color.
  • the display adjustment program of the present invention cannot display the converted test pattern on the display unit when the converted test pattern is displayed on the display unit! A specific color is displayed in the converted test pattern area of a color. Desirable to display ,.
  • the test pattern generated by the test pattern generation program of the present invention covers all colors that can be displayed on the display, and it is necessary to prepare many test patterns and use them for testing. Disappear.
  • the generated test pattern has a pixel value that fluctuates gently between the position in the frame and between frames, so it is possible to easily detect display defects such as pseudo contours when displayed on the display. it can.
  • the display adjustment program of the present invention can easily change the type of the test pattern to be generated, and can evaluate the quality of the parameter by converting and displaying the test pattern with the parameters set by the user. It becomes possible.
  • FIG. 1 is a diagram showing a conventional color bar.
  • FIG. 2 is a flowchart of conventional test pattern generation processing.
  • FIG. 3 is a flowchart showing an outline of test pattern generation processing according to the embodiment of the present invention.
  • FIG. 4 is a test pattern according to the embodiment of the present invention.
  • FIG. 5 is a test pattern according to the embodiment of the present invention.
  • FIG. 6 is a flowchart of test pattern generation processing according to the embodiment of the present invention.
  • FIG. 7 is a diagram for explaining display of a test pattern according to the embodiment of the present invention.
  • FIG. 8 is a diagram showing a test pattern converted with 8-bit arithmetic accuracy.
  • FIG. 9 is a test pattern according to the embodiment of the present invention.
  • FIG. 10 is a block diagram of a display adjustment device according to an embodiment of the present invention.
  • FIG. 11 is a diagram showing a screen of the display unit of the display adjustment device according to the embodiment of the present invention.
  • FIG. 12 is a flowchart showing processing of the display adjustment apparatus according to the embodiment of the present invention.
  • FIG. 13 is a flowchart of test pattern display processing in the display adjustment apparatus according to the embodiment of the present invention.
  • FIG. 14 is a block diagram of a display adjustment device according to an embodiment of the present invention.
  • FIG. 15 is a block diagram of a display adjustment device according to an embodiment of the present invention.
  • FIG. 3 is a flowchart showing an outline of the test pattern generation processing according to the embodiment of the present invention.
  • 4 and 5 are diagrams showing test patterns according to the embodiment of the present invention.
  • the image data is composed of a plurality of component information. In some cases, it is represented by three color components such as RGB, but in the case of moving images, many are represented by luminance and color difference components.
  • Y cbCr and YUV signals are composed of one luminance component (Y) and two color difference components (U, V or Cb, Cr).
  • CIE International Commission on Illumination
  • CIEXYZ X, Y, Z
  • CIELAB L *, a *, b *
  • HSV Hue (H), Saturation), Lightness (V)
  • color can often be represented by three elements.
  • RGB used as a pixel component
  • step S301 a one-frame image is generated in which the G value varies according to the ordinate and the B value varies according to the abscissa.
  • the G value is incremented by 1 from 0 to 255 according to the value on the vertical axis
  • the B value is incremented by 1 from 0 to 255 according to the value on the horizontal axis.
  • the values of G and B increase in proportion to the value of each axis.
  • the R value of each pixel is 0.
  • a frame image of 256 X 256 pixels is generated. This corresponds to frame 401 in FIG.
  • step S302 the G and B values of each pixel of the frame image created in step S301 are fixed, and a frame in which only the R value is uniformly changed is created.
  • the G and B values of each frame are fixed, and 256 frames are generated by changing the R value by 1 from 0 to 255.
  • frames 401, 402, 403, 404, and 405 are frames of R value power, 64, 128, 196, and 255, respectively.
  • step S303 the frames created in step S302 are arranged along the time axis in the order of increasing R values. Then, a 256 x 256 pixel, 256 frame video is generated.
  • 256 x 256 pixels is too small, so a plurality of pixels may have the same value.
  • the G and B values may be incremented by 1 every two pixels to generate a 512 ⁇ 512 pixel frame.
  • the value of R may be increased for each multiple frame.
  • the value of R may be increased every two frames to create a 512-frame moving image. Note that the R, G, and B values are also reduced by the maximum value force. It ’s okay.
  • the pixel component is represented by three different elements, such as YUV, CIELAB, or HSV, instead of RGB.
  • a test pattern as shown in FIG. 5 is generated.
  • the U value is varied according to the ordinate
  • the V value is varied according to the abscissa
  • the Y value is varied according to the time axis.
  • FIG. 6 is a flowchart showing test pattern generation processing according to the embodiment of the present invention.
  • FIG. 7 is a diagram for explaining the display of the test pattern according to the embodiment of the present invention.
  • each value is initialized.
  • R (red), B (blue), and G (green) are pixel component values, and Adrs is a value that represents the address of the pixel in the frame.
  • the initial value of Adrs is 0, which represents the upper left pixel of the frame as shown in FIG. When Adrs increases by 1, it indicates the pixel to the right of the pixel that was shown before the increase.
  • Adrs increases by 1, it indicates the pixel to the right of the pixel that was shown before the increase.
  • the frame is 256 ⁇ 256 pixels
  • Adrs 0.
  • step S602 the pixel whose component value is (R, G, B) is output to * Adrs.
  • * Adrs indicates the address on the screen of the display device of the pixel indicated by Adrs. That is, a pixel whose color component value is (R, G, B) is displayed at the position of * Adrs on the screen.
  • step S603 B and Adrs are incremented.
  • step S604 the force half IJ is determined to be B force ⁇ 256, and if B force ⁇ 256, proceed to step S605; otherwise, proceed to step S602.
  • step S605 B is set to 0 and G is incremented.
  • step S606 the half force IJ is determined to be G force ⁇ 256. If G force ⁇ 256, proceed to step S607, otherwise proceed to step S602. [0030] In step S607, G and Adrs are set to 0, and R is incremented. In other words, when 1 frame is displayed and Adrs becomes 0, it is displayed again from the upper left of the frame.
  • step S608 it is determined whether R is 256. If R is 256, the process ends. If it is not 256, the process proceeds to step S602.
  • test pattern is generated and displayed on the screen.
  • a test pattern can be generated and stored without being displayed on the screen.
  • the pixel value fluctuates gently, that is, continuously, between the position in the frame and between the frames.
  • FIG. 8 is a diagram showing a screen for evaluating color conversion accuracy in the case of 8 bits.
  • the “streaks” of deterioration are the appearance of subtle gradations (pseudo contours), but in the test pattern according to the embodiment of the present invention, the RGB values in this frame change gradually with time. As shown in Fig. 8, the force appears to move in the direction of the arrow. Therefore, it is possible to easily detect a difference in appearance due to a difference in internal processing or parameters.
  • YUV and RGB conversion can be generally expressed by the following formula
  • FIG. 9 shows a test pattern according to the embodiment of the present invention in which only colors in the color gamut are displayed.
  • the shaded area is outside the displayable range and is displayed in gray on the display.
  • test pattern generation processes can be realized by a computer reading and executing a program code (not shown).
  • the user displays the test pattern generated in this way on the display to be adjusted, and checks whether there is any gradation skip or gradation inversion.
  • FIG. 10 is a block diagram of the display adjustment apparatus according to the embodiment of the present invention.
  • the display adjustment apparatus is an implementation of the present invention generated by the test pattern generation unit 100 based on parameters set by the user through the user interface 101.
  • the test pattern of the embodiment is transferred to the conversion unit 102.
  • the conversion unit 102 converts the test pattern according to the parameters set by the user through the user interface 101 and transfers the test pattern to the display unit 103.
  • the display unit 103 displays both the test pattern generated by the test pattern generation unit 100 and the test pattern converted by the conversion unit 102 simultaneously or successively.
  • FIG. 11 is a diagram showing a screen of the display unit of the display adjustment device according to the embodiment of the present invention.
  • the user interface 101 is displayed on the display unit 103.
  • the user interface of the display adjustment apparatus has a GUI (Graphical User Interface) for adjusting the gradation characteristics and the internal calculation accuracy.
  • the tone curve display section (103-1) visually displays the tone characteristics set by the user. Although only one curve is drawn in this embodiment, since the display has gradation characteristics for each of R, G, and B, the color element selection unit (103-2) switches between R, G, and B. Yes.
  • the gradation curve display section (103-1) the gradation curve of the element selected by the color element selection section (103-2) is displayed. Specifically, the gradation curve is changed by the user dragging the four gradation adjustment sections (103-3) on the gradation curve with the mouse and moving them to an arbitrary position.
  • radio button for calculation accuracy selection (103-4) for selecting the 8-bit accuracy, 10-bit accuracy, and 12-bit accuracy in this embodiment. You will be able to choose.
  • test pattern display section (103-5) the test pattern generated based on the setting of the test pattern selection section (103-7) described later is displayed, and the adjusted test pattern display section (10 03-6) is displayed.
  • the test curve converted by the user-set gradation curve and calculation accuracy setting can be displayed simultaneously or individually.
  • the test pattern selection unit (103-7) selects the type of test pattern to be generated and displayed. Pattern selection is a drop-down list that allows you to select the three-element color system to be used (eg, RGB, YUV, YC bCr, HSV, XYZ, L * a * b *, etc.), horizontal axis Z vertical axis Z time To select the axis, select an element that varies according to the position on each axis.
  • the test pattern display operation section (103-8) displays test patterns that are moving images. You can select the operation (play, rewind, fast forward, playback speed, etc.). Although not shown in the figure, you can specify a frame number to display only an arbitrary frame, loop between specific frames or all frames in an endless display, reverse playback display, one frame or arbitrary frame A function of skipping and displaying each time may be provided.
  • FIG. 12 is a flowchart showing processing of the display adjustment apparatus according to the embodiment of the present invention.
  • step S1201 the parameter specified by the user interface 101 is stored in the conversion unit 102.
  • step S1202 the display positions of R, G, B and pixels are initialized.
  • the initial display position of the pixel is the upper left position of the original test pattern display section and the adjusted test pattern display section, respectively.
  • step S1203 the pixel whose component value is (R, G, B) is displayed at a specific position in the original test pattern display section (103-5), and the values of R, G, B are converted into the conversion section. Output to 102.
  • step S1204 the values of R, G, and B are converted into R, G, and B 'using parameters set by the user. For example, when performing gamma correction, set the parameter to X
  • step S1205 the pixel whose component value is (R ', G', ⁇ ') is displayed at a specific position on the adjusted test pattern display section (103-6).
  • Step S 1206 [Koo! Hurry, increment ⁇ , step S 1203 and step S 12
  • the display position of the pixel is changed to a position shifted to the right by one pixel. If the display position is at the right end, change to the left end position shifted down by one pixel.
  • step S1207! / The half force IJ is repulsive ⁇ 256, and if repulsive ⁇ 256, go to step S1208
  • step S1208 B is set to 0 and G is incremented.
  • step S1209 it is determined whether G is 256. If the G force is 56, the process proceeds to step S1210, and if it is not 256, the process proceeds to step S1203. When proceeding to step S1210, one frame of the test pattern is displayed.
  • step S1210 G is set to 0 and R is incremented.
  • step S120
  • step 3 and step S1204 the display position of the pixel to be displayed is reset. That is, in the embodiment of the present invention, the display position of the pixel is set to the upper left of the original test pattern display section and the adjusted test pattern display section, respectively.
  • step S1211 it is determined whether R is 256. If R is 256, the process ends. If it is not 256, the process proceeds to step S1203.
  • the processing of the display adjustment apparatus according to the embodiment of the present invention is performed.
  • FIG. 13 is a flowchart of test pattern display processing in the display adjustment apparatus of the embodiment of the present invention. Here, it is assumed that the only test patterns that can be generated are RGB and YUV.
  • Tl, T2, T3, Adrsl and Adrs2 are initialized.
  • Tl, ⁇ 2 and ⁇ 3 represent pixel component values
  • Adrsl and Adrs2 represent frame pixel addresses.
  • step S1302 it is determined whether the type of test pattern to be generated is RGB or YUV. In the case of RGB, the process proceeds to step S1303, and in the case of YUV, the process proceeds to step S1304.
  • step S1303 the values of R (red), G (green), and B (blue) are set to Tl, ⁇ 2, and ⁇ ⁇ ⁇ ⁇ 3, respectively.
  • step S1304 the values of R, G, and B are the values obtained by converting Tl, ⁇ 2, and ⁇ 3, respectively, using the conversion formula from YUV to RGB described above. If YCbCr or HSV is selected, use the corresponding conversion formula to set the values of R, G, and B.
  • step S1305 the pixel whose component value is (R, G, B) is output to * Adrsl.
  • Adrsl is the original test pattern corresponding to the pixel address of the frame indicated by Adrsl The address on the screen of the screen (103-5). That is, a pixel whose color component value is (R, G, B) is displayed at the position * Adrsl of the original test pattern display section (103-5).
  • step S1306 based on the parameters set by the gradation adjustment unit (103-3) and the calculation accuracy selection unit (103-4), the values of R, G, B are changed to R, G ', B Convert to '.
  • step S1307 pixels whose component values are (R, G, B) are output to * Adrs2.
  • * Adrs2 indicates the address on the screen of the adjusted test pattern display section (103-6) corresponding to the pixel address of the frame indicated by Adrs2. That is, a pixel whose color component value is (R, G, B) is displayed at the position of * Adrs2 in the adjusted test pattern display section (103-6).
  • step S1308 Tl, Adrsl, and Adrs2 are incremented.
  • step S 1309 determine the force half IJ that is T1 force ⁇ 256, and if T1 force ⁇ 256, step S131 0 [If this is not 256, proceed to step S1302 [this].
  • step S1310 T1 is set to 0 and T2 is incremented.
  • step S1311 determine the force half IJ that is T2 force ⁇ 256. If T2 force ⁇ 256, step S131 2 ⁇ If this is not 256, proceed to step S1302 ⁇ . Step S 1312 [When proceeding, one frame of the test note is displayed.
  • step S1312 T2, Adrsl, and Adrs2 are initialized, and T3 is incremented.
  • step S1313 determine the force half IJ that is T3 force ⁇ 256, end if T1 force ⁇ 256, otherwise proceed to step S1302.
  • the user looks at the test pattern displayed on the post-adjustment test pattern display section (103-6), and determines whether there is a jump or reverse of gradation, a pseudo contour, or the like. If there are any, adjust the display or change the design.
  • FIG. 14 and FIG. 15 are block diagrams of a display adjustment device according to another embodiment of the present invention.
  • the test pattern is not generated at the time of display adjustment.
  • the test pattern generated in advance is stored in the test pattern holding unit 104 having a storage device, and is used as necessary. Also good.
  • a test pattern generated or held on a server installed on a network that is not held in a local storage device is tested via the network 106.
  • the pattern receiving unit 105 may receive the signal and use it as necessary.
  • Such a display adjustment method may be realized by a computer of the display adjustment apparatus reading and executing the program code.
  • test pattern generation apparatus and the display adjustment apparatus to which the present invention is applied have the above-described embodiments as long as their functions are executed. Even if it is a single device that is not limited to a form, a system that has multiple device capabilities, an integrated device, or a system that performs processing via a network such as a LAN or WAN. Good.
  • a system including a CPU, ROM or RAM memory connected to a bus, an input device, an output device, an external recording device, a medium driving device, and a network connection device. That is, the ROM or RAM memory, the external recording device, and the portable recording medium that record the program code of the software that realizes the system of the above-described embodiment is supplied to the test pattern generation device or the display adjustment device. Needless to say, this can also be achieved by the computer of the test pattern generation device or the display adjustment device reading and executing the program code.
  • the read program code itself realizes the new function of the present invention
  • the portable recording medium or the like on which the program code is recorded constitutes the present invention. Will do.
  • Examples of portable recording media for supplying the program code include flexible disks, hard disks, optical disks, magneto-optical disks, CD-ROMs, CD-Rs, DVD-ROMs, DVD-RAMs, magnetic tapes, Various recording media recorded via a non-volatile memory card, ROM card, network connection device (in other words, communication line) such as e-mail and personal computer communication can be used.
  • the computer executes the program code read out on the memory, thereby realizing the functions of the above-described embodiment and operating on the computer based on the instruction of the program code.
  • the operating system is part of the actual processing or If all of this is done, the functions of the above-described embodiment can be realized by the processing.
  • a function expansion board in which the program code or the program (data) provided by the program provider (data) read by the portable recording medium is inserted into the computer is connected to the computer. After being written to the memory of the unit, the CPU of the function expansion board or function expansion unit performs part or all of the actual processing based on the instructions of the program code. Also, the functions of the above-described embodiments can be realized.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

La présente invention concerne un programme de génération de motif d'essai qui : forme une trame dans laquelle la valeur du premier élément parmi trois éléments de couleur varie en fonction de la valeur d'une première coordonnée de la trame et la valeur d'un second élément varie en fonction de la valeur d'une seconde coordonnée de la trame ; forme une pluralité de trames dans lesquelles la valeur d'un troisième élément, non utilisé dans la trame générée, varie uniformément en fonction de la valeur d'un axe des temps ; et règle un affichage à l'aide d'un motif d'essai dans lequel les trames sont affichées séquentiellement en fonction du troisième élément.
PCT/JP2006/305875 2006-03-23 2006-03-23 Programme et procede de generation de motif d'essai et programme de reglage d'affichage employant ce motif d'essai WO2007108134A1 (fr)

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PCT/JP2006/305875 WO2007108134A1 (fr) 2006-03-23 2006-03-23 Programme et procede de generation de motif d'essai et programme de reglage d'affichage employant ce motif d'essai
JP2008506136A JP4851509B2 (ja) 2006-03-23 2006-03-23 テストパターン生成プログラムおよび方法と当該テストパターンを用いたディスプレイ調整プログラム

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PCT/JP2006/305875 WO2007108134A1 (fr) 2006-03-23 2006-03-23 Programme et procede de generation de motif d'essai et programme de reglage d'affichage employant ce motif d'essai

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007286120A (ja) * 2006-04-12 2007-11-01 Sony Corp 画像表示装置及び画像表示方法
JP2009229884A (ja) * 2008-03-24 2009-10-08 Sharp Corp 表示装置
WO2020158099A1 (fr) * 2019-01-31 2020-08-06 株式会社Ｊｖｃケンウッド Dispositif et système d'affichage d'image, et procédé d'inspection
JP2020123913A (ja) * 2019-01-31 2020-08-13 株式会社Ｊｖｃケンウッド 画像表示装置及び検査方法
JP2020123911A (ja) * 2019-01-31 2020-08-13 株式会社Ｊｖｃケンウッド 画像表示装置及び検査方法
JP2020123912A (ja) * 2019-01-31 2020-08-13 株式会社Ｊｖｃケンウッド 画像表示装置、画像表示システム、及び検査方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991375A (ja) * 1982-09-30 1984-05-26 ザ・ベンデイツクス・コ−ポレ−シヨン 同期発生器により制御されるビデオ試験装置
JP2005150779A (ja) * 2003-11-11 2005-06-09 Olympus Corp 画像表示装置の表示特性補正データ算出方法、表示特性補正データプログラム、表示特性補正データ算出装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245413A (en) * 1991-12-10 1993-09-14 North American Philips Corporation Method and apparatus for generating a spiral curve television test pattern for testing advanced television systems
JP2000013620A (ja) * 1998-06-19 2000-01-14 Seiko Denshi Kiki Kk 色変換テーブルの作成方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991375A (ja) * 1982-09-30 1984-05-26 ザ・ベンデイツクス・コ−ポレ−シヨン 同期発生器により制御されるビデオ試験装置
JP2005150779A (ja) * 2003-11-11 2005-06-09 Olympus Corp 画像表示装置の表示特性補正データ算出方法、表示特性補正データプログラム、表示特性補正データ算出装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007286120A (ja) * 2006-04-12 2007-11-01 Sony Corp 画像表示装置及び画像表示方法
JP2009229884A (ja) * 2008-03-24 2009-10-08 Sharp Corp 表示装置
WO2020158099A1 (fr) * 2019-01-31 2020-08-06 株式会社Ｊｖｃケンウッド Dispositif et système d'affichage d'image, et procédé d'inspection
JP2020123913A (ja) * 2019-01-31 2020-08-13 株式会社Ｊｖｃケンウッド 画像表示装置及び検査方法
JP2020123911A (ja) * 2019-01-31 2020-08-13 株式会社Ｊｖｃケンウッド 画像表示装置及び検査方法
JP2020123912A (ja) * 2019-01-31 2020-08-13 株式会社Ｊｖｃケンウッド 画像表示装置、画像表示システム、及び検査方法
JP7196648B2 (ja) 2019-01-31 2022-12-27 株式会社Ｊｖｃケンウッド 画像表示装置及び検査方法
JP7196647B2 (ja) 2019-01-31 2022-12-27 株式会社Ｊｖｃケンウッド 画像表示装置、画像表示システム、及び検査方法
JP7196646B2 (ja) 2019-01-31 2022-12-27 株式会社Ｊｖｃケンウッド 画像表示装置及び検査方法

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