WO2015096346A1 - 3d显示串扰的测试方法及测试装置 - Google Patents
3d显示串扰的测试方法及测试装置 Download PDFInfo
- Publication number
- WO2015096346A1 WO2015096346A1 PCT/CN2014/076805 CN2014076805W WO2015096346A1 WO 2015096346 A1 WO2015096346 A1 WO 2015096346A1 CN 2014076805 W CN2014076805 W CN 2014076805W WO 2015096346 A1 WO2015096346 A1 WO 2015096346A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- test
- test image
- crosstalk
- brightness
- Prior art date
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 766
- 238000010998 test method Methods 0.000 title claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 241001270131 Agaricus moelleri Species 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 210000000857 visual cortex Anatomy 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/324—Colour aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/327—Calibration thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2213/00—Details of stereoscopic systems
- H04N2213/008—Aspects relating to glasses for viewing stereoscopic images
Definitions
- the invention relates to a test method and a test device for 3D display crosstalk. Background technique
- three-dimensional display technology has become a research focus in the display field.
- the human eye looks at normal things, for the same scene, the viewer's left and right eyes respectively receive images, and the position difference between the viewer's eyes is between the viewer's left and right eyes.
- the two different images form a pair of "stereo image pairs”.
- the three-dimension (3D) display technology makes use of this principle.
- the left-eye image and the right-eye image are separately produced by the shooting technique, and the left-eye image is transmitted only to the viewer during playback.
- the left eye, right eye image is only transmitted to the viewer's right eye, forming a "stereo image pair.”
- the "stereoscopic image pair” forms a stereoscopic effect after fusion through the visual cortex of the brain, as shown in Figure 1.
- the left eye image and the right eye image are simultaneously captured by the same camera at different angles by two cameras, and displayed on the display screen by the playback device, so the left eye image and the right appear on the screen.
- the viewer needs to use polarized glasses or shutter glass to send the left eye image to the viewer's left eye, and the right eye image to the viewer's right eye, through the brain's visual cortex. Fusion, forming a stereo image.
- the left eye of the viewer only sees the image of the left eye
- the right eye only sees the image of the right eye.
- the left eye image is strung to the right eye and the right eye image is strung to the left eye.
- This is the crosstalk of the left and right eye images that we often say in 3D display.
- Crosstalk is an important factor in determining the image quality of stereoscopic display systems, including display devices and stereo glasses. High levels of crosstalk will result in difficult to fuse stereoscopic images and create distortions that cause viewers to experience varying degrees of visual fatigue.
- the analysis and testing of the crosstalk of the stereoscopic display system is particularly important. Delayed response caused by various factors such as image signals, backlights, display panels, and stereo glasses can cause crosstalk between left and right eye images.
- Embodiments of the present invention provide a test method and a test apparatus for 3D display crosstalk.
- the method for testing the 3D display crosstalk includes: obtaining, by the left or right lens of the stereo glasses, the brightness and display of the at least one first test image displayed in the image area of the left eye displayed in the display device.
- the brightness of the at least one second test image displayed in the image area of the right eye comparing the obtained brightness of the first test image and the second test image, and according to the comparison result, the gray of the first test image
- the order value and the grayscale value of the second test image determine a crosstalk value or a range of crosstalk values between the left eye image and the right eye image.
- one of the first test images corresponds to one of the second test images
- each of the first test image and the second test image corresponding to the first test image are both single grayscale Linear or strip image.
- each of the first test image and the second test image corresponding to the first test image are juxtaposed and adjacent in the same horizontal direction.
- one first test image corresponds to a plurality of the second test images, and each of the first test images is a single gray scale strip image, and Each of the plurality of the second test images corresponding to the first test image is a strip image of a single gray scale and the gray scale values of each of the second test images are different.
- one of the second test images corresponds to the plurality of the first test images, and each of the second test images is a single gray scale strip image, and Each of the plurality of the first test images corresponding to the second test image is a strip image of a single gray scale and the grayscale values of each of the first test images are different.
- a plurality of the second test images corresponding to the first test image are juxtaposed and adjacent in the same vertical direction, and each of the first The test image and the plurality of the second test images corresponding to the first test image are juxtaposed and adjacent in the same horizontal direction, and the length of the first test image in the vertical direction is equal to corresponding to the first test image The sum of the lengths of the plurality of the second test images in the vertical direction.
- the plurality of the first test images corresponding to the second test image are juxtaposed and adjacent in the same vertical direction, and each of the second test images and a plurality of the first test images corresponding to the second test image are juxtaposed and adjacent in the same horizontal direction, and the length of the second test image in the vertical direction is equal to the second test image pair The sum of the lengths of the plurality of said first test images in the vertical direction.
- the crosstalk of the left eye image to the right eye is tested, respectively comparing the acquired first test image and each of the plurality of the second test images corresponding to the first test image
- the brightness of the second test image is determined according to a comparison result, a grayscale value of the first test image, and a different grayscale value of each of the second test images corresponding to the first test image.
- the crosstalk of the right eye image to the left eye is tested, comparing the acquired second test image and each of the plurality of first test images corresponding to the second test image The brightness of the image, determining the right eye image to the left eye according to the comparison result, the grayscale value of the second test image, and the different grayscale values of each of the first test images corresponding to the second test image And a plurality of crosstalk values, and determining a final crosstalk value or a crosstalk value range of the right eye image to the left eye according to the plurality of crosstalk values.
- the left eye is determined for one of the first test image and each of the second test images corresponding to the first test image.
- the step of the crosstalk value or the crosstalk value range between the image and the right eye image specifically includes: if the brightness of the first test image is greater than the brightness of the second test image, determining the left
- the crosstalk value of the eye image to the right eye is higher than ⁇ : % ; if the brightness of the first test image is equal to the first
- the brightness of the image is tested, and then the crosstalk value of the left eye image to the right eye is determined to be equal to ⁇ :%; if the brightness of the first test image is less than the brightness of the second test image, determining the left eye image to the right eye
- the crosstalk value is lower than ⁇ : °/.
- M is the grayscale value of the first test image
- N is the grayscale value of the second test image
- the step of the crosstalk value or the crosstalk value range specifically includes: if the brightness of the first test image is greater than the brightness of the second test image, determining that the crosstalk value of the right eye image to the left eye is lower than
- the crosstalk value from the right eye image to the left eye is equal to /. If the brightness of the first test image is less than the The brightness of the second test image determines that the crosstalk value of the right eye image to the left eye is higher than %, wherein
- M is a grayscale value of the first test image
- N is a grayscale value of the second test image
- MN is a grayscale value of the first test image
- the apparatus for testing 3D display crosstalk includes: an acquiring unit configured to obtain at least one first test image in a left eye image region in a display device through a left eyeglass or a right eyeglass of the stereoscopic glasses. a brightness and a brightness of the at least one second test image in the right eye image area; and a processing unit configured to compare the acquired brightness of the first test image and the second test image, and according to the comparison result, a grayscale value of the first test image and a grayscale value of the second test image determine a crosstalk value or a range of crosstalk values between the left eye image and the right eye image.
- one of the first test images corresponds to one of the second test images
- each of the first test image and the second test image corresponding to the first test image are both single grayscale Linear or strip image.
- each of the first test image and the second test image corresponding to the first test image are juxtaposed and adjacent in the same horizontal direction.
- one first test image corresponds to the plurality of the second test images, and each of the first test images is a single gray scale strip image, and Each of the plurality of the second test images corresponding to the first test image is a strip image of a single gray scale and the grayscale values of each of the second test images are different.
- one of the second test images corresponds to a plurality of the first test images, and each of the second test images is a single gray scale strip image
- the second Each of the plurality of the first test images corresponding to the test image is a single gray scale strip image and the grayscale values of each of the first test images are different.
- the plurality of the first test images corresponding to the second test image are juxtaposed and adjacent in the same vertical direction, and each of the The second test image and the plurality of the first test images corresponding to the second test image are juxtaposed and adjacent in the same horizontal direction, and the length of the second test image in the vertical direction is equal to the second test The sum of the lengths of the plurality of the first test images corresponding to the image in the vertical direction.
- the processing unit is specifically designed to: compare the obtained first test image and the first test image respectively. a brightness of each of the plurality of second test images, according to a comparison result, a grayscale value of the first test image, and each of the first corresponding to the first test image And determining a plurality of crosstalk values of the left eye image to the right eye, and determining a final crosstalk value or a crosstalk value range of the left eye image to the right eye according to the plurality of crosstalk values.
- the processing unit is specifically configured to: compare the acquired second test image and the plurality of the first test images corresponding to the second test image respectively The brightness of each of the first test images, according to a comparison result, a grayscale value of the second test image, and a different grayscale value of each of the first test images corresponding to the second test image, Determining a plurality of crosstalk values from the right eye image to the left eye, and determining a final crosstalk value or a crosstalk value range from the right eye image to the left eye based on the plurality of crosstalk values.
- the processing unit is specific for one of the first test image and each of the second test images corresponding to the first test image.
- the method is: if the brightness of the first test image is greater than the brightness of the second test image, determining that the crosstalk value of the left eye image to the right eye is higher than M; if the brightness of the first test image is equal to the first 2, the brightness of the test image is determined, the crosstalk value of the left eye image to the right eye is determined to be equal to M; if the first test image is smaller than the brightness of the second test image, determining that the crosstalk value of the left eye image to the right eye is lower than Where M is the grayscale value of the first test image, N is the grayscale value of the second test image, and M>N.
- the processing unit is specifically designed to: for each of the second test image and each of the first test images corresponding to the second test image: The brightness of the first test image is greater than the brightness of the second test image, and then the crosstalk value of the right eye image to the left eye is determined to be lower than If the brightness of the first test image is equal to the The brightness of the second test image determines that the crosstalk value of the right eye image to the left eye is equal to W; if the first test image is smaller than the brightness of the second test image, determining the crosstalk value of the right eye image to the left eye Above Where M is the grayscale value of the first test image, N is the grayscale value of the second test image, and MN.
- the left eye piece or the right eye piece of the stereo glasses is used to obtain at least one second of the display of the at least one first test image in the left eye image area and the right eye image area.
- Testing the brightness of the image comparing the obtained brightness of the first test image and the second test image, and determining the left eye image and the right according to the comparison result, the grayscale value of the first test image, and the grayscale value of the second test image.
- the crosstalk value or the crosstalk value range between the left eye image and the right eye image of the stereoscopic display system can be quickly tested, so that the left eye of the tested stereoscopic display system can be quickly determined. Whether the crosstalk value or crosstalk value range between the image and the right eye image meets the specification requirements, thereby improving the processing speed and efficiency of the crosstalk test.
- Figure 1 is a schematic diagram of the principle of stereo imaging
- Figure 2 is a schematic diagram of the test signal during the crosstalk test
- FIG. 3 is a schematic flowchart of a method for testing a 3D display crosstalk according to an embodiment of the present invention
- FIG. 4 is a schematic diagram of a left eye test image and a right eye test image according to Embodiment 1 of the present invention
- FIG. 6 is a schematic diagram of a left eye test image and a right eye test image according to a third embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of a device for testing a 3D display crosstalk according to an embodiment of the present invention. detailed description
- Crosstalk test methods and test devices have not yet formed a uniform standard.
- the inventors have appreciated the following crosstalk test method.
- the test apparatus used in the test method includes a signal source for outputting a test signal and an optical measurer for measuring a brightness value of each test point, wherein the signal source is connected to the display device, and the optical measurer is disposed opposite to the display device.
- the test method for performing left and right eye image crosstalk on the stereoscopic display system based on the above test apparatus includes the following steps:
- H is the screen height of the display device
- W is the screen width of the display device
- test points crosstalk side 9 of the window (to the right eye image side measurement side) in the case where the left lens is mounted are set to m% (e.g. m are 0, 25, 50, 75 or 100).
- m% e.g. m are 0, 25, 50, 75 or 100.
- Measurement of the black field brightness of the left eye image keeping the measurement side of the input
- the input level is unchanged, and the input level on the crosstalk side is switched to the next value, and measurement and recording operations are performed for all the repetitions.
- the input level of the crosstalk side is kept constant, the input level z of the measurement side is switched to the next value, and the measurement and recording operations are repeated for all z.
- the LL0 , l - m ⁇ L LW-m and L R W->n L RW-m obtained by the above measurement are analyzed and calculated.
- the method of analyzing the technique includes, for example, the following steps.
- L R,, W0 - W0 are the white field luminance values corresponding to the left eye and the right eye, respectively, and ',. -.
- Equation 81 ...form B2;
- Embodiments of the present invention provide a test method for 3D display crosstalk. As shown in FIG. 3, the test method includes the following steps.
- Step 31 Obtain a display in the display device through the left eye lens or the right eye lens of the stereo glasses The brightness of the at least one first test image displayed in the left eye image area and the brightness of the at least one second test image displayed in the right eye image area.
- the brightness of the at least one first test image displayed in the left eye image area and the right eye image are obtained through the right eye lens of the stereo glasses.
- Step 32 Compare the brightness of the obtained first test image with the brightness of the second test image, and determine the left eye image and the right according to the comparison result, the grayscale value of the first test image, and the grayscale value of the second test image.
- the embodiment of the invention does not need to perform a large amount of data operations, and can quickly test the crosstalk value or the crosstalk value range between the left eye image and the right eye image of the stereoscopic display system, so that the left eye image of the tested stereoscopic display system can be quickly determined. Whether the crosstalk value or crosstalk value range between the image with the right eye meets the specification requirements, thereby improving the processing speed and efficiency of the crosstalk test, and is suitable for crosstalk testing of each stereoscopic display system during mass production.
- the number of the first test image and the second test image is not limited, and one first test image may correspond to only one second test image, and one first test image may also correspond to multiple second test images.
- the plurality of first test images may also correspond to only one second test image.
- crosstalk of the time division mode 3D signal source can also be tested by the method of the embodiment of the present invention.
- a first test image corresponds to a second test image
- each of the first test images and the second test image corresponding to the first test image are linear or strip images of a single gray scale.
- each first test image and the second test image corresponding to the first test image are juxtaposed in the same horizontal direction and Adjacent.
- the length of the first test image in the vertical direction is equal to the length of the second test image corresponding to the first test image in the vertical direction.
- test group when performing crosstalk testing on the display system, only one test group may be set, and the test group includes a first test image and a corresponding second test thereof. Image.
- a plurality of test groups at different positions may also be set, each test group including a first test image and a second test image corresponding to the first test image.
- the gray levels of the first test images in different test groups may be the same or different.
- the gray levels of the second test images in different test groups may be the same or different.
- multiple test groups are set, and the first test images in different test groups have the same grayscale value, and the second test images in different test groups have the same grayscale value.
- the method according to the first example above is more suitable for determining whether the crosstalk value or the crosstalk value range of the display system conforms to a prescribed crosstalk specification (spec).
- the grayscale value of the first test image and the corresponding second test image may be set according to the crosstalk specification. For example, the stereo display system is required to have a crosstalk value of no more than 5%. If the crosstalk of the left eye image to the right eye is tested, for example, the grayscale value of the left eye test image (ie, the first test image) is M, and the grayscale value of the right eye test image (ie, the second test image) is
- one first test image corresponds to the plurality of second test images, and each of the first test images is a single gray scale strip image, and the first test image
- Each of the corresponding plurality of second test images is a strip image of a single gray scale, and the grayscale values of each of the second test images are different. That is, each first test image corresponds to a set of second test images, and each second test image in each set of second test images has a different grayscale value, and each second test image in the set is a strip image of a single gray scale;
- one second test image corresponds to the plurality of first test images, and each of the second test images is a single gray scale strip image, and the plurality of second test images correspond to the second test image.
- Each of the first test images in the first test image is a strip image of a single gray scale, and the grayscale values of each of the first test images are different. That is, each second test image corresponds to a set of first test images, each first test image in each set of first test images has a different grayscale value, and each of the first test images in the set is A strip image of a single grayscale.
- the plurality of second test images corresponding to the first test image are Parallelly disposed adjacent to each other in the same vertical direction, and each first test image and a plurality of second test images corresponding to the first test image are juxtaposed and adjacent in the same horizontal direction, and the length of the first test image in the vertical direction Equal to a plurality of second tests corresponding to the first test image The sum of the lengths of the images in the vertical direction.
- the plurality of first test images corresponding to the second test image are juxtaposed and adjacent in the same vertical direction, and each second test image and the second test The plurality of first test images corresponding to the image are juxtaposed and adjacent in the same horizontal direction, and the length of the second test image in the vertical direction is equal to the sum of the lengths of the plurality of first test images corresponding to the second test image in the vertical direction.
- the crosstalk of the left eye image to the right eye is tested, respectively comparing the acquired first test image and each of the plurality of second test images corresponding to the first test image Brightness. Based on the comparison result, the grayscale value of the first test image, and the different grayscale values of each of the second test images corresponding to the first test image, a plurality of crosstalk values from the left eye image to the right eye are determined. Based on the plurality of crosstalk values, a final crosstalk value or crosstalk value range from the left eye image to the right eye is determined. If the crosstalk of the right eye image to the left eye is tested, the brightness of each of the acquired second test image and each of the plurality of first test images corresponding to the second test image is compared.
- a plurality of crosstalk values from the right eye image to the left eye are determined according to the comparison result, the grayscale value of the second test image, and different grayscale values of each of the first test images corresponding to the second test image. Based on the plurality of crosstalk values, a final crosstalk value or crosstalk value range of the right eye image to the left eye is determined.
- test group when the crosstalk test is performed on the display system, only one test group may be set, and the test group includes a first test image and a corresponding plurality of second test images.
- test group In order to test the crosstalk values of different positions of the display system, it is also possible to set a plurality of test groups at different positions. Each test group includes a first test image and a plurality of second test images corresponding to the first test image. Further, if a plurality of test groups are set, the gray scales of the first test images in different test groups may be the same or different. Correspondingly, the gray scales of the second test images in different test groups may be the same or different. For example, when performing crosstalk testing on the display system, multiple test groups are set, and the first test images in different test groups have the same grayscale value, and multiple second test images in different test groups have the same grayscale value.
- test method according to the second example above is more suitable for determining a more accurate crosstalk value range or crosstalk value of the display system.
- the background image of the display device other than the first test image and the second test image may display black during the test (ie, the background of the first test image and the second test image is always black) State), white can also be displayed (ie, the background of the first test image and the second test image is in a normally white state).
- the display device in addition to the first test image and the second test image, in the display device
- the background image shows black.
- the crosstalk of the left eye image to the right eye and the crosstalk of the right eye image to the left eye are specifically processed as follows.
- step 31 the brightness of each first test image displayed in the left eye image area is displayed in the display device through the right eye lens of the stereo glasses, and the first displayed in the right eye image area is displayed.
- a crosstalk value or a crosstalk value range between the left eye image and the right eye image is determined for one first test image and each second test image corresponding to the first test image.
- the step may include: if the brightness of the first test image is greater than the brightness of the second test image (ie, the first test image acquired through the right eye lens is brighter than the second test image obtained through the right eye lens), Determining that the crosstalk value of the left eye image to the right eye is higher than M; if the brightness of the first test image is equal to the brightness of the second test image (ie, the brightness of the first test image obtained through the right lens and the right eye lens) Obtaining the same brightness of the second test image, determining that the crosstalk value of the left eye image to the right eye is equal to M; if the brightness of the first test image is less than the brightness of the second test image (ie, obtained by the right eye lens) The first test image is darker than the second test image acquired by the transmissive slice, and then the crosstalk value of the
- M is a grayscale value of the first test image
- N is a grayscale value of any second test image corresponding to the first test image
- M>N The specific values of M and N are related to the number of bits of the gray scale of the display system. For example, if the gray level of the display system is 8 bits, then 0 ⁇ M 255, 0 ⁇ N ⁇ 255 o and, for example, if the gray of the system is displayed. The order is 10, then 0 ⁇ M 1023, 0 ⁇ N 1023.
- a first test image corresponds to a plurality of second test images (ie, the second example described above)
- first comparing a first test image and each of the second test images corresponding to the first test image Brightness, determining a crosstalk value of the plurality of left eye images to the right eye according to the comparison result, the grayscale value of the first test image, and the grayscale value of the second test image; and then determining, according to the multiple crosstalk values, The left eye image to the final crosstalk value or crosstalk value range of the right eye.
- the grayscale value of the first test image A1 is 255 (assuming 255 gray scale corresponds to 100%) Brightness)
- the brightness of the second test image B1 obtained by the right lens is smaller than the brightness of the first test image A1, and the brightness of the second test image B2 obtained by the right lens is greater than the first test image.
- the brightness of A1 indicates that the crosstalk from the left eye image to the right eye is higher than 3% and lower than 4%;
- the test result is: the brightness of the second test image B1 obtained by the right lens is smaller than the brightness of the first test image A1, and the brightness of the second test image B2 obtained by the right lens is smaller than the first test image.
- the brightness of A1 indicates that the crosstalk from the left eye image to the right eye is higher than 4%;
- test result is: the brightness of the second test image B1 obtained by the right lens is greater than the brightness of the first test image A1, and the brightness of the second test image B2 obtained by the right lens is greater than the first test image.
- the brightness of A1 indicates that the crosstalk from the left eye image to the right eye is less than 3%.
- step 31 the brightness of each second test image in the right eye image area is displayed in the display device through the left eye lens of the stereo glasses, and at least the second test image corresponding to the second test image is displayed in the left eye image area.
- the brightness of a first test image is displayed in the display device through the left eye lens of the stereo glasses.
- determining a crosstalk value or a crosstalk value range between the left eye image and the right eye image for a second test image and each of the first test images corresponding to the second test image includes:
- the brightness of the first test image is greater than the brightness of the second test image (ie, the first test image acquired through the left eye lens is brighter than the second test image obtained through the left eye lens), determining the right eye image to The crosstalk value of the left eye is lower than N;
- the brightness of the first test image is equal to the brightness of the second test image (ie, the brightness of the first test image acquired through the left eye lens is the same as the brightness of the second test image obtained through the left eye lens), then determining The crosstalk value from the right eye image to the left eye is equal to W;
- the brightness of the first test image is less than the brightness of the second test image (ie, the first test image acquired through the left eye lens is darker than the second test image obtained through the left eye lens), determining the right eye
- the crosstalk value of the image to the left eye is higher than N.
- M is the grayscale value of the first test image
- N is the pair of the first test image
- MN is the grayscale value of any second test image
- the specific values of M and N are related to the number of bits of the gray scale of the display system, for example, if the gray scale of the display system is 8 bits, then 0 ⁇ M 255, 0 ⁇ N ⁇ 255; If the gray level of the display system is 10, then 0 ⁇ M 1023, 0 ⁇ N 1023.
- a second test image corresponds to a plurality of first test images (ie, the second preferred implementation described above)
- first comparing a second test image and each of the first ones corresponding to the second test image Testing the image, determining a crosstalk value of the plurality of left eye images to the right eye according to the comparison result, the grayscale value of the first test image, and the grayscale value of the second test image; and, according to the multiple crosstalk values, Determine the final crosstalk value or crosstalk value range from the right eye image to the left eye.
- the test result is: the brightness of the first test image B1 obtained by the left lens is smaller than the brightness of the second test image A1, and the brightness of the first test image B2 obtained by the right lens is greater than the second test image.
- the brightness of A1 indicates that the crosstalk from the left eye image to the right eye is higher than 3% and lower than 4%;
- the test result is: the brightness of the first test image B1 obtained by the left lens is smaller than the brightness of the second test image A1, and the brightness of the first test image B2 obtained by the right lens is smaller than the second test image.
- the brightness of A1 indicates that the crosstalk from the left eye image to the right eye is higher than 4%;
- test result is: the brightness of the first test image B1 obtained by the left lens is greater than the brightness of the second test image A1, and the brightness of the first test image B2 obtained by the right lens is greater than the second test image.
- the brightness of A1 indicates that the crosstalk from the left eye image to the right eye is less than 3%.
- the stereo display system has a crosstalk specification of 5% (ie, the left eye image to the right eye string)
- the disturbance is less than 5%
- the crosstalk from the right eye image to the left eye is less than 5%).
- the driving signal for driving the right eye test image (ie, the second test image) is set to a signal of gray level 255
- the left eye image is the crosstalk side
- the right eye test image is tested to the left eye test image (ie, the first test image) Crosstalk.
- the driving signals for driving the left-eye test image were respectively set to a linear signal having a grayscale ratio of 3% and a signal having a grayscale ratio of 4%.
- Each adjacent left eye test image and right eye test image is a test group.
- the left eye test image in the test group is adjacent to the right eye test image and on a horizontal line, in order to compare the brightness of the left eye test image and the right eye test image obtained through the left eye lens of the stereo glasses, as shown in FIG. 4 . Shown.
- the left eye test image obtained by the left eye lens of the stereo glasses is compared with the brightness of the right eye test image, if the obtained right eye test image is obtained, the left eye with a gray scale ratio of 4% is obtained. If the brightness of the test image is bright, the crosstalk of the right eye image to the left eye is more than 4%; if the acquired right eye test image is darker than the acquired left eye test image with the gray scale ratio of 3%, the right eye image is illustrated. Crosstalk to the left eye is less than 3%;
- the acquired right eye test image is brighter than the acquired left eye test image with a gray scale ratio of 3%, and the acquired right eye test image is 4% brighter than the acquired gray scale ratio.
- the left eye test image is dark, indicating that the crosstalk from the right eye image to the left eye is between 3% and 4%.
- the driving signal for driving the right eye test image can be set to a signal with a grayscale of 255, which will be used to drive the left eye test.
- the drive signal of the image is set to a signal having a grayscale ratio of 5%.
- a right eye test image is corresponding to the plurality of left eye test images, and is used to drive each left eye.
- the driving signal of the test image is set to a signal having different grayscale values, and the shapes of the plurality of left eye test images and the right eye test image are respectively set as strips extending in the horizontal direction, and the plurality of left eye test images are formed.
- the group is adjacent to the right eye test image and is on a horizontal line. As shown in FIG.
- the driving signal for driving each of the right-eye test images is set to a signal having a grayscale of 255
- the driving signals for driving each of the left-eye test images are respectively set to a grayscale ratio of 1%, 2 %, 3%, 4% and 5% signals.
- Other aspects of this embodiment are similar to those of the foregoing embodiment 1, and are not described herein again.
- the apparatus for testing a 3D display crosstalk includes: an acquiring unit 71, configured to obtain a left eye image or a right eye lens of the stereoscopic glasses, and obtain an image in a left eye image area of the display device.
- a first test image corresponds to a second test image
- each of the first test images and the second test image corresponding to the first test image are linear or strip images of a single gray scale.
- each of the first test images and the second test image corresponding to the first test image are juxtaposed and adjacent in the same horizontal direction.
- each of the first test images corresponds to the plurality of second test images
- each of the first test images is a single gray scale strip image
- the first test image Each of the corresponding plurality of second test images is a single gray scale strip And the grayscale value of each second test image is different
- the crosstalk of the right eye image to the left eye is tested, one second test image corresponds to the plurality of first test images, and each second test image is a single grayscale
- the strip image, each of the plurality of first test images corresponding to the second test image is a strip image of a single gray scale and the grayscale values of each of the first test images are different.
- the plurality of second test images corresponding to the first test image are juxtaposed and adjacent in the same vertical direction, and each of the first test images and The plurality of second test images corresponding to the first test image are juxtaposed and adjacent in the same horizontal direction, and the length of the first test image in the vertical direction is equal to the plurality of second test images corresponding to the first test image being vertical
- the sum of the lengths of the directions if the crosstalk of the right eye image to the left eye is tested, the plurality of first test images corresponding to the second test image are juxtaposed and adjacent in the same vertical direction, and each of the second test images and The plurality of first test images corresponding to the second test image are juxtaposed and adjacent in the same horizontal direction, and the length of the second test image in the vertical direction is equal to the plurality of first test images corresponding to the second test image in the vertical direction. The sum of the lengths.
- the processing unit 72 is specifically designed to: compare the acquired first test image and the plurality of second test images corresponding to the first test image, respectively.
- the brightness of each of the second test images, and determining the left eye image according to the comparison result, the grayscale value of the first test image, and the different grayscale values of each of the second test images corresponding to the first test image A plurality of crosstalk values to the right eye, and a final crosstalk value or crosstalk value range from the left eye image to the right eye is determined according to the plurality of crosstalk values.
- the processing unit 72 is specifically designed to: compare each of the acquired second test image and each of the plurality of first test images corresponding to the second test image The brightness of the image, determining a plurality of crosstalks from the right eye image to the left eye according to the comparison result, the grayscale value of the second test image, and the different grayscale values of each of the first test images corresponding to the second test image And determining a final crosstalk value or crosstalk value range from the right eye image to the left eye according to the plurality of crosstalk values.
- the background image of the display device other than the first test image and the second test image may display black during the test (ie, the background of the first test image and the second test image is in a normally black state). ), white may also be displayed (ie, the background of the first test image and the second test image is in a normally white state).
- a background image other than the first test image and the second test image in the display device displays black.
- the processing unit 72 is specifically designed for: a first test image and each second test image corresponding to the first test image: The brightness of the test image is greater than the brightness of the second test image, and then the crosstalk value of the left eye image to the right eye is determined to be higher than M; if the brightness of the first test image is equal to the second test image
- ⁇ % is smaller than the brightness of the second test image, and then the crosstalk value of the left eye image to the right eye is determined to be lower than M, where M is the grayscale value of the first test image, and N is the grayscale value of the second test image, and M > N.
- the processing unit 72 is specifically designed for: a second test image and each of the first test images corresponding to the second test image: if the brightness of the first test image is greater than 2, the brightness of the test image is determined, the crosstalk value of the right eye image to the left eye is determined to be lower than N; if the brightness of the first test image is equal to the brightness of the second test image, determining that the crosstalk value of the right eye image to the left eye is equal to W; If the brightness of the first test image is less than the brightness of the second test image, determining that the crosstalk value of the right eye image to the left eye is higher than W, where M is the grayscale value of the first test image, and N is the second test image. Grayscale value, and MN.
- the test apparatus for 3D display crosstalk provided by the embodiment of the present invention can quickly test the crosstalk value or the crosstalk value range between the left eye image and the right eye image of the stereoscopic display system without performing a large amount of data calculation, thereby being able to quickly determine the Whether the crosstalk value or the crosstalk value range between the left eye image and the right eye image of the tested stereoscopic display system meets the specification requirements, thereby improving the processing speed and efficiency of the crosstalk test, and is suitable for each stereoscopic display system during mass production.
- Crosstalk test can quickly test the crosstalk value or the crosstalk value range between the left eye image and the right eye image of the stereoscopic display system without performing a large amount of data calculation, thereby being able to quickly determine the Whether the crosstalk value or the crosstalk value range between the left eye image and the right eye image of the tested stereoscopic display system meets the specification requirements, thereby improving the processing speed and efficiency of the crosstalk test, and is suitable for each stereoscopic display system during mass production.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/418,042 US9641832B2 (en) | 2013-12-27 | 2014-05-05 | 3D display cross interference testing method and testing device thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310741665.3A CN103686162B (zh) | 2013-12-27 | 2013-12-27 | 一种3d显示串扰的测试方法及装置 |
CN201310741665.3 | 2013-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015096346A1 true WO2015096346A1 (zh) | 2015-07-02 |
Family
ID=50322254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2014/076805 WO2015096346A1 (zh) | 2013-12-27 | 2014-05-05 | 3d显示串扰的测试方法及测试装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9641832B2 (zh) |
CN (1) | CN103686162B (zh) |
WO (1) | WO2015096346A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220006997A1 (en) * | 2019-08-15 | 2022-01-06 | Kunshan Go-Visionox Opto-Electronics Co., Ltd | Method for testing crosstalk of screen |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103686162B (zh) * | 2013-12-27 | 2015-07-15 | 京东方科技集团股份有限公司 | 一种3d显示串扰的测试方法及装置 |
CN104166240B (zh) * | 2014-08-08 | 2016-04-13 | 深圳市华星光电技术有限公司 | 裸眼3d显示装置 |
CN104683796B (zh) * | 2015-03-10 | 2017-01-04 | 中山大学 | 一种3d显示串扰率的评价方法及装置 |
CN104980733B (zh) * | 2015-06-18 | 2017-01-18 | 中央民族大学 | 一种裸眼3d显示器的串扰测试方法及其测试图像 |
CN106331677B (zh) * | 2016-09-05 | 2018-05-15 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | 裸眼立体显示中分辨率指标的评价方法及系统 |
CN106657981B (zh) * | 2016-11-17 | 2018-07-24 | 宁波视睿迪光电有限公司 | 视差式裸眼3d显示串扰的检测方法、装置及系统 |
CN106791793B (zh) * | 2016-12-30 | 2019-11-22 | 深圳市淘晶驰电子有限公司 | 3d显示方法及装置 |
CN111447433A (zh) * | 2020-03-24 | 2020-07-24 | 京东方科技集团股份有限公司 | 显示装置、数据生成装置及方法、显示系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102378040A (zh) * | 2010-08-24 | 2012-03-14 | 乐金显示有限公司 | 用于评估立体图像显示器的串扰的系统和方法 |
CN102404605A (zh) * | 2011-12-23 | 2012-04-04 | 四川虹欧显示器件有限公司 | 3d显示系统串扰的测量方法和装置 |
CN103686162A (zh) * | 2013-12-27 | 2014-03-26 | 京东方科技集团股份有限公司 | 一种3d显示串扰的测试方法及装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1480000A (zh) * | 2000-10-12 | 2004-03-03 | ���ŷ� | 基于数字光线处理的3d投影系统与方法 |
JP2010000110A (ja) * | 2008-06-18 | 2010-01-07 | Topcon Corp | 二眼式ステレオビデオ顕微鏡装置 |
KR101212170B1 (ko) * | 2010-12-10 | 2012-12-13 | 엘지디스플레이 주식회사 | 패턴드 리타더를 이용한 입체 영상 표시 장치 및 그 구동 방법 |
CN102572458B (zh) * | 2010-12-17 | 2015-09-16 | 北京牡丹电子集团有限责任公司 | 立体显示装置的左右眼亮度串扰值测量方法 |
-
2013
- 2013-12-27 CN CN201310741665.3A patent/CN103686162B/zh not_active Expired - Fee Related
-
2014
- 2014-05-05 WO PCT/CN2014/076805 patent/WO2015096346A1/zh active Application Filing
- 2014-05-05 US US14/418,042 patent/US9641832B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102378040A (zh) * | 2010-08-24 | 2012-03-14 | 乐金显示有限公司 | 用于评估立体图像显示器的串扰的系统和方法 |
CN102404605A (zh) * | 2011-12-23 | 2012-04-04 | 四川虹欧显示器件有限公司 | 3d显示系统串扰的测量方法和装置 |
CN103686162A (zh) * | 2013-12-27 | 2014-03-26 | 京东方科技集团股份有限公司 | 一种3d显示串扰的测试方法及装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220006997A1 (en) * | 2019-08-15 | 2022-01-06 | Kunshan Go-Visionox Opto-Electronics Co., Ltd | Method for testing crosstalk of screen |
US11647174B2 (en) * | 2019-08-15 | 2023-05-09 | Kunshan Go-Visionox Opto-Electronics Co., Ltd | Method for testing crosstalk of screen |
Also Published As
Publication number | Publication date |
---|---|
US9641832B2 (en) | 2017-05-02 |
US20150365663A1 (en) | 2015-12-17 |
CN103686162B (zh) | 2015-07-15 |
CN103686162A (zh) | 2014-03-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015096346A1 (zh) | 3d显示串扰的测试方法及测试装置 | |
US8189181B2 (en) | Method and system of evaluating a stereo image displaying panel | |
TWI426776B (zh) | 立體顯示裝置之光學測量設備及其方法 | |
WO2010147089A1 (ja) | 3次元ディスプレイの光学特性評価装置および3次元ディスプレイの光学特性評価方法 | |
TW201229563A (en) | Mounting accuracy inspection method and inspection apparatus using the inspection method | |
CN102724545A (zh) | 裸眼3d显示设备的性能指标测试方法及测试系统 | |
US8970832B2 (en) | Optical testing method and system for 3D display product | |
KR101852209B1 (ko) | 자동입체 디스플레이 및 그 제조방법 | |
CN103763550B (zh) | 一种立体显示器串扰快速测量方法 | |
WO2015014139A1 (zh) | 一种评价裸眼立体显示串扰的方法及装置 | |
JP2010522347A (ja) | オプトエレクトロニクス情報を表示する様々なタイプの装置の動作に関連する複数のパラメータを制御するユニバーサルテストシステム | |
CN103202027A (zh) | 图像处理装置、图像处理程序、图像处理方法及存储介质 | |
CN104010187A (zh) | 立体电视图像闪烁的评测装置及评测方法 | |
TWI532363B (zh) | Improved naked eye 3D display crosstalk method and naked eye 3D display | |
US20120127283A1 (en) | Apparatus and Method for Measuring Picture Quality of Stereoscopic Display Device, and Picture Quality Analyzing Method Using the Same | |
CN106954059A (zh) | 一种3d显示控制方法、装置及3d显示设备 | |
TWI472219B (zh) | Dimensional image display device and method | |
CN106331677B (zh) | 裸眼立体显示中分辨率指标的评价方法及系统 | |
CN105629492A (zh) | 基于偏振片和偏振眼镜的集成成像双视3d显示装置及系统 | |
CN104113752A (zh) | 一种立体电视图像闪烁的检测方法及检测装置 | |
US20130329022A1 (en) | Stereoscopic display system | |
CN110060291B (zh) | 一种考虑人因的立体视在距离解算方法 | |
TWI812359B (zh) | 裸視三維顯示方法及裸視三維顯示裝置 | |
CN103118271A (zh) | 一种立体电视机可视角的测试装置及测试方法 | |
CN109587472B (zh) | 一种立体显示左右眼图像延时差的测量方法及装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 14418042 Country of ref document: US |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14874796 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 04.11.2016) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14874796 Country of ref document: EP Kind code of ref document: A1 |