CN106657981A - Method, device and system for detecting parallax glasses-free 3D display crosstalk - Google Patents
Method, device and system for detecting parallax glasses-free 3D display crosstalk Download PDFInfo
- Publication number
- CN106657981A CN106657981A CN201611013345.6A CN201611013345A CN106657981A CN 106657981 A CN106657981 A CN 106657981A CN 201611013345 A CN201611013345 A CN 201611013345A CN 106657981 A CN106657981 A CN 106657981A
- Authority
- CN
- China
- Prior art keywords
- image
- display
- viewpoint
- crosstalk
- display image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/144—Processing image signals for flicker reduction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention provides a method, a device and a system for detecting parallax glasses-free 3D display crosstalk, and relates to the technical field of 3D display. The method for detecting parallax glasses-free 3D display crosstalk comprises the following steps: making 3D display equipment display test images corresponding to viewpoints to form display images corresponding to the viewpoints, wherein each test image includes multiple viewpoint images; making image acquisition equipment acquire the display image corresponding to each viewpoint at the observation position of the viewpoint; comparing each display image with each color block image in a standard color block map to get crosstalk data of each display image, wherein the standard color block map includes multiple color block images of different gray values and crosstalk data corresponding to each color block image; and comparing the multiple pieces of crosstalk data corresponding to the multiple display images, and determining 3D display crosstalk of the 3D display equipment according to the comparison result. The display image corresponding to each viewpoint is acquired at the observation position of the viewpoint, and then, the display crosstalk of the 3D display equipment is determined through comparison.
Description
Technical field
The present invention relates to 3D display technology fields, in particular to a kind of parallax formula bore hole 3D the detection of crosstalk is shown
Method, apparatus and system.
Background technology
In current parallax formula 3D Display Technique, it is impossible to completely separate right and left eyes image, accurately project phase
In the eyes answered so that left-eye image information has and is partly into right eye, and right-eye image information has and is partly into left eye,
Interference is produced, this interference is called 3D crosstalks.Therefore, 3D crosstalks are an important ginsengs for weighing parallax formula 3D display device performance
Number, 3D crosstalks are crossed conference and have a strong impact on 3D experience effects.So in the production of parallax formula 3D display device and debugging process
The detection of 3D crosstalks is most important.
It is the special testing equipment that carries out being needed during 3D crosstalk detections by existing 3D crosstalk detections method, loaded down with trivial details
Step and larger amount of calculation, these detection methods are all not easy to realize.
The content of the invention
In view of this, embodiments provide a kind of parallax formula bore hole 3D show the detection method of crosstalk, device and
System, shows, control image acquisition equipment is in viewpoint pair by controlling 3D display devices to the image of corresponding each viewpoint
The corresponding display image of viewpoint is obtained at the viewing location answered, then by display image and standard color block figure carry out contrast draw it is many
Individual cross-talk data, then the corresponding cross-talk data of more multiple display images, show that the 3D of 3D display devices shows according to comparative result
Show crosstalk.Relatively simple realization shows the detection of crosstalk to 3D display devices 3D, to improve the problems referred to above.
To achieve these goals, the technical solution used in the present invention is as follows：
A kind of parallax formula bore hole 3D shows the detection method of crosstalk, and the 3D for parallax formula 3D display device shows crosstalk
Detection, methods described includes：Test image to corresponding to each viewpoint shows that formation corresponds to the display figure of each viewpoint
Include many sub- visual point images in picture, the test image；The viewpoint correspondence is obtained at the corresponding viewing location of each viewpoint
Display image；Each display image is contrasted with each patch image in standard color block figure, each display figure is obtained
The cross-talk data of picture, the standard color block figure includes that the patch image and each patch image of multiple different gray values is corresponding
Cross-talk data；The corresponding multiple cross-talk datas of the multiple display images of comparison, according to comparative result the 3D display devices are determined
3D shows crosstalk.
A kind of parallax formula bore hole 3D shows the detection means of crosstalk, and described device includes：Image display, image are obtained
Module, crosstalk acquisition module and crosstalk determining module.Wherein：Described image display module is used for the survey to each viewpoint of correspondence
Attempt, as being shown, to be formed and include in the display image of each viewpoint of correspondence, the test image many sub- visual point images；Institute
Image collection module is stated for obtaining the corresponding display image of the viewpoint at the corresponding viewing location of each viewpoint；The crosstalk
Acquisition module is used to be contrasted each display image with each patch image in standard color block figure, obtains each display figure
The cross-talk data of picture, the standard color block figure includes that the patch image and each patch image of multiple different gray values is corresponding
Cross-talk data；The crosstalk determining module is used for the corresponding multiple cross-talk datas of relatively more multiple display images, according to comparative result
The 3D for determining the 3D display devices shows crosstalk.
A kind of parallax formula bore hole 3D shows the detecting system of crosstalk, the system include 3D display devices, control terminal with
And image acquisition equipment.The control terminal is used to control the 3D display devices and described image obtains equipment, wherein：Institute
3D display devices are stated for showing to the test image of corresponding each viewpoint, the display image of each viewpoint of correspondence is formed,
Include many sub- visual point images in the test image；Described image obtains equipment to be used in the corresponding viewing location of each viewpoint
Place obtains the corresponding display image of the viewpoint；The control terminal is used for each in each display image and standard color block figure
Patch image is contrasted, and obtains the cross-talk data of each display image, and the standard color block figure includes multiple different gray values
Patch image and the corresponding cross-talk data of each patch image；The control terminal is additionally operable to the multiple display images pair of comparison
The multiple cross-talk datas answered, determine that the 3D of the 3D display devices shows crosstalk according to comparative result.
Parallax formula bore hole 3D provided in an embodiment of the present invention shows detection method, the apparatus and system of crosstalk, by control
The test image of each viewpoint is shown 3D display devices form the display image of each viewpoint, control image is obtained and set
It is standby that the corresponding display image of viewpoint is obtained at the corresponding viewing location of each viewpoint, then display image is entered with standard color block figure
Row contrast draws the corresponding cross-talk data of patch image, and then multiple cross-talk datas are compared the 3D for drawing 3D display devices
Show crosstalk.So as to realize the relatively simple detection that the 3D to 3D display devices shows crosstalk that completes.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Description of the drawings
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 shows the structural representation of control terminal provided in an embodiment of the present invention；
Fig. 2 shows that parallax formula bore hole 3D that first embodiment of the invention is provided shows a kind of stream of the detection method of crosstalk
Cheng Tu；
Fig. 3 shows a kind of test image that first embodiment of the invention is provided；
Fig. 4 shows the corresponding display images of Fig. 3 that first embodiment of the invention is provided；
Fig. 5 shows another kind of test image that first embodiment of the invention is provided；
Fig. 6 shows another test image that first embodiment of the invention is provided；
Fig. 7 shows the corresponding display images of Fig. 5 that first embodiment of the invention is provided；
Fig. 8 shows the corresponding display images of Fig. 6 that first embodiment of the invention is provided；
Fig. 9 shows that parallax formula bore hole 3D that first embodiment of the invention is provided shows a kind of portion of the detection method of crosstalk
Flow chart step by step；
Figure 10 shows the display image at the corresponding viewing locations of Fig. 4 that first embodiment of the invention is provided；
Figure 11 shows the display image at the corresponding another viewing locations of Fig. 4 that first embodiment of the invention is provided；
Figure 12 shows the standard color block image that first embodiment of the invention is provided；
Figure 13 shows display figure of the corresponding test images of Fig. 5 of first embodiment of the invention offer at viewing location
Picture；
Figure 14 shows that parallax formula bore hole 3D that first embodiment of the invention is provided shows the another of the detection method of crosstalk
Plant the flow chart of part steps；
Figure 15 shows that parallax formula bore hole 3D that second embodiment of the invention is provided shows the function of the detection means of crosstalk
Module map；
Figure 16 shows that parallax formula bore hole 3D that second embodiment of the invention is provided shows the image of the detection means of crosstalk
The functional block diagram of acquisition module；
Figure 17 shows that parallax formula bore hole 3D that second embodiment of the invention is provided shows the crosstalk of the detection means of crosstalk
The functional block diagram of acquisition module；
Figure 18 shows that parallax formula bore hole 3D that second embodiment of the invention is provided shows the crosstalk of the detection means of crosstalk
The functional block diagram of determining module.
Specific embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Generally exist
Herein the component of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged and designed with a variety of configurations.Cause
This, below the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.Meanwhile, the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
As shown in figure 1, being the block diagram of the control terminal 100 that the embodiment of the present application is provided.The control terminal 100
Detection means 200, memory 101, storage control 102, the processor 103, peripheral hardware of crosstalk are shown including parallax formula bore hole 3D
Interface 104 and other.
The memory 101, storage control 102, processor 103, each element of Peripheral Interface 104 each other directly or
It is electrically connected with indirectly, to realize the transmission or interaction of data.For example, these elements each other can be logical by one or more
News bus or holding wire are realized being electrically connected with.Parallax formula bore hole 3D shows that the detection means 200 of crosstalk includes at least one
The control terminal 100 can be stored in the memory 101 or be solidificated in the form of software or firmware (firmware)
Software function module in operating system (operating system, OS).The processor 103 is used to perform memory 101
The executable module of middle storage, such as described aobvious parallax formula bore hole 3D shows the software function that the detection means 200 of crosstalk includes
Module or computer program.
Wherein, memory 101 may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only storage (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only
Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM),
Electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
Wherein, memory 101 is used for storage program, and the processor 103 performs described program after execute instruction is received, aforementioned
Method performed by the control terminal 100 of the stream process definition that embodiment of the present invention any embodiment is disclosed can apply to process
In device 103, or realized by processor 103.
A kind of possibly IC chip of processor 103, the disposal ability with signal.Above-mentioned processor 103 can
Being general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit
(Network Processor, abbreviation NP) etc.；Can also be digital signal processor (DSP), special IC (ASIC),
Ready-made programmable gate array (FPGA) either other PLDs, discrete gate or transistor logic, discrete hard
Part component.Can realize or perform disclosed each method in the embodiment of the present invention, step and logic diagram.General processor
Can be microprocessor or the processor 103 can also be any conventional processor etc..
The Peripheral Interface 104 is by various input/output devices coupled to processor 103 and memory 101.At some
In embodiment, Peripheral Interface 104, processor 103 and storage control 102 can be realized in one single chip.Other one
In a little examples, they can be realized respectively by independent chip.
It should be understood that the structure shown in Fig. 1 is only illustrated, control terminal 100 can also include more more than shown in Fig. 1
Or less component, or with the configuration different from shown in Fig. 1.Each component shown in Fig. 1 can using hardware, software or
Its combination is realized.
First embodiment
The detection method that a kind of parallax formula bore hole 3D shows crosstalk is embodiments provided, is shown for parallax formula 3D
The 3D of equipment shows the detection of crosstalk, by the corresponding viewing location of each viewpoint from the corresponding display image of test image
Get the corresponding display image of viewpoint, then by comparing and data relatively show crosstalk determining 3D display devices.
Fig. 2 is referred to, the method includes：
Step S110：Control 3D display devices show to the test image for corresponding to each viewpoint, are formed and correspond to each
Include many sub- visual point images in the display image of viewpoint, the test image.
Control terminal 100 controls 3D display devices and is shown the test image of each viewpoint on 3D display devices,
Formation corresponds to the display image of each viewpoint.Wherein, each sub- visual point image, the sub- viewpoint are included in the test image
Image is test image of each viewpoint correspondence in test image.
Specifically, the test image includes black visual point image and white visual point image.Can in the visual point image
To be to only include black visual point image, or only include white visual point image, can also be and include simultaneously black viewpoint figure
Picture and white visual point image.
Can include that detection one is regarded in the test image that the 3D of 3D display devices of 2 viewpoints shows crosstalk is detected
The corresponding test image of point, or including the corresponding test image of two viewpoints.
The first viewpoint and second for being illustrated in figure 3 the 3D display crosstalks of the 3D display devices for 2 viewpoints of detection is regarded
The corresponding test image of point.When detecting that the 3D of 3D display devices of 2 viewpoints shows crosstalk, the first viewpoint and the second viewpoint are divided
Wei not left eye viewpoint and right eye viewpoint.In figure 3, first area image 107, the 4th area image 110, the 5th area image
111 and Section Eight area image 114 constitute the corresponding test image of left eye viewpoint.Second area image 108, the 3rd area image
109th, the 6th area image 112 and SECTOR-SEVEN area image 113 constitute the corresponding test image of right eye viewpoint.
Control 3D display devices show to test image.The test image being illustrated in figure 4 shown in Fig. 3 is aobvious by 3D
Show the display image that equipment shows.Wherein the 9th area image 115 and No.12 District area image 118 are correspondence left eye viewpoint
Display image.Tenth area image 116 and the display image that the 11st area image 117 is correspondence right eye viewpoint.
For the 3D of multiple views shows, when detecting the display crosstalk of 3D display devices, in test image, detected regarding is made
When the corresponding visual point image of point is white visual point image, remaining all visual point image is black visual point image, to realize to tested
Survey the display crosstalk of the black-on-white of viewpoint；When the corresponding visual point image of detected viewpoint is black visual point image, remaining institute
There is visual point image for white visual point image, the display crosstalk detection with realization to the white of detected viewpoint to black.
Specifically, by taking 9 viewpoints as an example.The 3D for being illustrated in figure 5 the 3D display devices for 9 viewpoints shows the second of crosstalk
The corresponding test image of viewpoint, the 13rd area image 119 is the corresponding visual point image of the second viewpoint in figure, can be seen by Fig. 5
Go out, in the detection image, the corresponding visual point image of the second viewpoint is black, and the corresponding visual point image of remaining viewpoint is white,
Can be used for crosstalk detection of the white to the second viewpoint to black.It is illustrated in figure 6 the 3D of the 3D display devices for 9 viewpoints
The corresponding test image of the 6th viewpoint of crosstalk is shown, the 14th area image 120 is the corresponding viewpoint figure of the 6th viewpoint in figure
Picture, as seen from Figure 6, in the detection image, the corresponding visual point image of the 6th viewpoint is black, and remaining viewpoint is corresponding to be regarded
Dot image is white, can be used for crosstalk detection of the white to the 6th viewpoint to black.The test image of corresponding other viewpoints,
Likewise, the detected corresponding visual point image of viewpoint is black, other visual point images are white, will not be described here.
Certainly, in test image, the crosstalk of black-on-white with white to the color of image of the crosstalk of black conversely,
This is repeated no more.
The 3D of the 3D display devices of the viewpoint of detection 9 being illustrated in figure 7 shown in Fig. 5 shows that the corresponding test image of crosstalk is led to
Cross the display image that 3D display devices show.Wherein the 15th area image 121 is the display image of the second viewpoint of correspondence.
As Fig. 8 shows that the 3D of the 3D display devices of the viewpoint of detection 9 shown in Fig. 6 shows corresponding test image Jing of crosstalk
In the display image shown by 3D display devices after the figure process of the row of mistake.16th area image 122 is the 6th viewpoint of correspondence
Display image.
Step S120：It is corresponding aobvious that control image acquisition equipment obtains the viewpoint at the corresponding viewing location of each viewpoint
Diagram picture.
3D shows that the detection of crosstalk needs to be detected at the corresponding viewing location of viewpoint, in the present embodiment, every
The corresponding display image of the viewpoint is obtained at the corresponding viewing location of individual viewpoint.
Specifically, Fig. 9 is referred to, the corresponding display image bag of the viewpoint is obtained at the corresponding viewing location of each viewpoint
Include：
Step S121：Determine the corresponding viewing location of each viewpoint.
In the present embodiment, according to preset relation determining the corresponding viewing location of each viewpoint.Specifically, preset and close
It is for the relation between predetermined each viewpoint optimal viewing location corresponding with the viewpoint.In the corresponding sight of each viewpoint
Seeing at position can see the corresponding display image of the viewpoint.
Step S122：The corresponding display image of the viewpoint in display image is determined at the corresponding viewing location of each viewpoint
Position.
After determining the corresponding viewing location of each viewpoint, in addition it is also necessary to determine the position that the corresponding display image of the viewpoint is located
Put, the display image position includes viewpoint corresponding display image place direction and the distance between with viewing location,
So that in viewing location, towards display image place direction, it is possible to obtain display image.For example, determine that left-eye image is corresponding
The distance between after viewing location, then determine left-eye image place direction, with the viewing location of left-eye image, to determine left eye figure
As position.
According between the corresponding display image position of default viewpoint and viewing location at the corresponding viewing location of viewpoint
Relation determine the position of the corresponding display image of the viewpoint in display image.
Step S123：According to the corresponding display image position of each viewpoint, control described image obtains equipment every
Individual viewpoint obtains the corresponding display image of each viewpoint.
After obtaining the corresponding display image position of viewpoint, according to the corresponding display image position control figure of viewpoint
As acquisition equipment gets the corresponding display image of viewpoint.Image acquisition equipment for obtaining the corresponding display image of viewpoint can
To be video camera, be used to obtaining certainly the corresponding display image of viewpoint equipment be not construed as limiting in the present embodiment, or
Other.
As shown in Figure 10, left eye viewpoint in the display image shown in Fig. 4 is obtained at the corresponding viewing location of left eye viewpoint
The display image 124 of corresponding first display image 123 and second.Wherein, the first display image 123 is test chart shown in Fig. 3
Image shown in after first area image 106 is in 3D display devices by the crosstalk of the 5th area image 111 as in, second shows figure
As 124 be the 4th area image 110 shown in Fig. 3 in test image in 3D display devices by the crosstalk of Section Eight area image 114
The image for showing afterwards.
As shown in figure 11, right eye viewpoint pair in the aobvious image shown in Fig. 4 is obtained at the corresponding viewing location of right eye viewpoint
The 3rd display image 125 answered and the 4th display image 126.3rd display image 125 is the in test image shown in Fig. 3
The image that six area images 112 are shown after the crosstalk of second area image 108 in 3D display devices, the 4th display image 126
SECTOR-SEVEN area image 113 in the test image described in Fig. 3 in 3D display devices by the crosstalk of the 3rd area image 109 after show
Image.
Step S130：Each display image is contrasted with each patch image in standard color block figure, each is obtained
The cross-talk data of display image, the standard color block figure includes the patch image and each patch image of multiple different gray values
Corresponding cross-talk data.
The display image obtained in step S120 is contrasted with each patch image in standard color block figure, is drawn every
The cross-talk data of individual display image.
In the standard color block image, the color lump of standard color block image including multiple different grey decision-makings and with each color
The corresponding cross-talk data of block image, as shown in figure 12.
The corresponding cross-talk data of each patch image is predefined, also, 3D shows that crosstalk includes string of the white to black
Disturb and black-on-white crosstalk, white is carried out to the cross-talk data of black and the cross-talk data of black-on-white respectively
It is determined that.
Specifically, the standard color block image includes the standard color block image of white to black crosstalk and the reference colour of black dialogue
Block image, the grey decision-making scope of the patch image of the standard color block image of the white to black crosstalk is 0-127, the black dialogue string
The grey decision-making scope of the patch image of the standard color block image disturbed is 128-255.3D shows that the scope of the cross-talk data of crosstalk is
0%-100%.128 points of the difference of the maxima and minima of the grey decision-making of the patch image is obtained into every etc. for 100 equal portions
The value 1.28 of part, it is 0 to correspond to grey decision-making for 0% to crosstalk during black crosstalk according still further to white, and crosstalk often increases one percentage point
Correspondence increases the grey decision-making 1.28 of an equal portions, then by the grey decision-making round numbers of gained, obtains the standard color block figure of white to black crosstalk
The corresponding table of patch image grey decision-making and 3D display crosstalk as in.It is 0% corresponding GTG according to crosstalk during black-on-white crosstalk
It is worth for 255, crosstalk often increases one percentage point and reduces the grey decision-making 1.28 of an equal portions, then by the grey decision-making round numbers of gained, obtains
Patch image grey decision-making and 3D show the corresponding table of crosstalk in the standard color block image of white to black crosstalk.White to black crosstalk and
Patch image grey decision-making shows that the corresponding table of crosstalk is as shown in the table with 3D in the standard color block image of black dialogue crosstalk.
In can be to obtain the corresponding cross-talk data of multiple grey decision-makings.In upper table, each grey decision-making correspondence one has
The patch image of the grey decision-making, the corresponding cross-talk data of each grey decision-making is the string corresponding to the corresponding patch image of the grey decision-making
Disturb data.
Specifically, the display image of acquisition is contrasted with each patch image of standard color block figure, is obtained multiple colors
With the immediate patch image of display image gray value in block image, most connect with display image gray value according in standard color block figure
The corresponding cross-talk data of near patch image, obtains the cross-talk data of each display image.
In the present embodiment, the display image of acquisition is contrasted with each patch image of standard color block figure, can be with
Obtain and the immediate patch image of display image grey decision-making, it is corresponding with the immediate patch image of display image grey decision-making with this
Cross-talk data as the display image cross-talk data.
Each patch image of the display image of acquisition and standard color block figure is carried out into contrast to obtain and display image gray scale
Being worth immediate patch image can also be, user's observation obtains display image and display image and the standard color block figure that will obtain
Each patch image carry out contrast to obtain and the immediate patch image of display image gray value.
The 3D of the first display image of correspondence 123 obtained according to the first display image 123 as shown in Figure 10 shows crosstalk
Data show crosstalk for the white of left eye viewpoint to the 3D of black, are shown according to the correspondence second that the second display image 124 is obtained
The 3D of image 124 shows cross-talk data for the 3D display crosstalks of the black-on-white of left eye viewpoint.
The 3D of the display image 125 of correspondence the 3rd obtained according to the 3rd display image 125 as shown in figure 11 shows crosstalk
Data show crosstalk for the white of right eye viewpoint to the 3D of black, according to the display of correspondence the 4th that the 4th display image 126 is obtained
The 3D of image 126 shows cross-talk data for the 3D display crosstalks of the black-on-white of right eye viewpoint.
As shown in figure 13, obtain at the corresponding viewing location of corresponding second viewpoint in the display image shown in Fig. 7
Corresponding 5th display image 127 of second viewpoint.5th display image 127 is the 13rd region in test image shown in Fig. 5
The image that image 119 is shown after other visual point image crosstalks in 3D display devices.Obtained according to the 5th display image 127
The 3D of the 5th display image 127 of correspondence shows that cross-talk data is that the second viewpoint white shows crosstalk to the 3D of black.
Step S140：The corresponding multiple cross-talk datas of the multiple display images of comparison, determine that the 3D shows according to comparative result
The 3D for showing equipment shows crosstalk.
Specifically, as shown in figure 14, the corresponding multiple cross-talk datas of relatively more multiple display images, determine according to comparative result
The 3D of the 3D display devices shows that crosstalk includes：
S141：The corresponding multiple cross-talk datas of the plurality of display image of comparison obtain the maximum in cross-talk data.
The corresponding multiple 3D of the multiple display images for obtaining are shown into that cross-talk data is compared and takes maximum, so as to
Obtain the maximum that multiple 3D are shown in cross-talk data.
S142：Maximum in the cross-talk data determines that the 3D of the 3D display devices shows crosstalk.
In the present embodiment, the maximum in the multiple cross-talk datas for obtaining is defined as needing the 3D display devices of detection
3D show crossfire value.Such that it is able to determine the 3D of the 3D display devices according to maximum in the cross-talk data of the acquisition
Show crosstalk.
Certainly, in the present embodiment, crosstalk detection institute is shown to parallax formula bore hole 3D of parallax formula bore hole 3D display device
In the test image for using, visual point image is not limited to white and black, white and black be used only for preferred color and
As illustrating.Other colors can also be selected to carry out crosstalk detection, the viewpoint of other colors used in correspondence test image
Image is used for crosstalk detection, and the color of each patch image is different from including black and white viewpoint figure in standard color block image
The color of the corresponding patch image of test image of picture.When selecting other colors to carry out crosstalk detection, standard color block image and
The corresponding cross-talk data of each patch image in standard color block image is arranged according to actual color, and its set-up mode can be with bag
Include consistent in the corresponding mark color lump figure of the test image of black and white visual point image.
Second embodiment
Present embodiments provide the detection means that a kind of parallax formula bore hole 3D shows crosstalk, as shown in figure 15, the parallax formula
Bore hole 3D shows that the detection means 200 of crosstalk includes：Display control module 210, image acquisition control module 220, crosstalk are obtained
Module 230 and crosstalk determining module 240.Wherein：The display control module 210 is used to control 3D display devices to corresponding each
The test image of individual viewpoint is shown, is formed and include in the display image of each viewpoint of correspondence, the test image many height
Visual point image；Described image obtains control module 220 to be used to control image acquisition equipment in the corresponding viewing location of each viewpoint
Place obtains the corresponding display image of the viewpoint；The crosstalk acquisition module 230 is used for each display image and standard color block figure
In each patch image contrasted, obtain the cross-talk data of each display image, the standard color block figure include it is multiple not
With the patch image and the corresponding cross-talk data of each patch image of gray value；The crosstalk determining module 240 is used to compare
The corresponding multiple cross-talk datas of multiple display images, determine that the 3D of the 3D display devices shows crosstalk according to comparative result.
Figure 16 is referred to, described image obtains control module 220 to be included：Viewing location determining unit 221, display image position
Put determining unit 222 and display image acquiring unit 223.Wherein：The position determination unit 221 is used to determine each viewpoint
Corresponding viewing location；The display image determining unit 222 is used to determine display at the corresponding viewing location of each viewpoint
The corresponding display image position of the viewpoint in image；The display image acquiring unit 223 is used for according to each viewpoint pair
The display image position answered, control described image obtains equipment and regards accordingly in the corresponding viewing location acquisition of each viewpoint
The corresponding display image of point.
Figure 17 is referred to, the crosstalk acquisition module 230 includes：Patch image acquiring unit 231 and comparison unit
232.Wherein：The patch image acquiring unit 231 is used for each the color lump figure for the display image and standard color block figure that will be obtained
As being contrasted, obtain in multiple patch images with the immediate patch image of display image gray value；The comparison unit 232
Show for according to cross-talk data corresponding with the immediate patch image of display image gray value in standard color block figure, obtaining each
The cross-talk data of diagram picture.
Figure 18 is referred to, the crosstalk determining module 240 includes comparing unit 241 and determining unit 242.Wherein：Institute
Comparing unit 241 is stated for the relatively maximum that obtains in cross-talk data of the corresponding multiple cross-talk datas of the plurality of display image
Value；The maximum that the determining unit 242 is used in the cross-talk data determines that the 3D of the 3D display devices shows
Crosstalk.
3rd embodiment
The detecting system that a kind of parallax formula bore hole 3D shows crosstalk is present embodiments provided, the system shows including 3D and sets
Standby, control terminal and image acquisition equipment, the control terminal is used to control the 3D display devices and described image is obtained
Taking equipment, wherein：The 3D display devices are used to show the test image of corresponding each viewpoint that each to be regarded to form correspondence
Include many sub- visual point images in the display image of point, the test image；Described image obtains equipment to be used in each viewpoint
The corresponding display image of the viewpoint is obtained at corresponding viewing location；The control terminal is used for each display image and standard
Each patch image in color lump figure is contrasted, and obtains the cross-talk data of each display image, and the standard color block figure includes
The patch image and the corresponding cross-talk data of each patch image of multiple different gray values；The control terminal is additionally operable to compare
The corresponding multiple cross-talk datas of multiple display images, determine that the 3D of the 3D display devices shows crosstalk according to comparative result.
In sum, parallax formula bore hole 3D provided in an embodiment of the present invention shows detection method, the apparatus and system of crosstalk,
Shown by the test image to each viewpoint, form the display image of each viewpoint, in the corresponding viewing of each viewpoint
Obtain the corresponding display image of viewpoint at position, then by the patch image and 3D in the display image for obtaining and standard color block figure
Show that cross-talk data carries out contrasting the corresponding 3D displays cross-talk data of the patch image for obtaining obtaining, then by multiple cross-talk datas
It is compared and show that the 3D of 3D display devices shows crosstalk.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it is also possible to pass through
Other modes are realized.Device embodiment described above is only schematic, for example, the flow chart and block diagram in accompanying drawing
Show the device of multiple embodiments of the invention, the architectural framework in the cards of method and computer program product,
Function and operation.At this point, each square frame in flow chart or block diagram can represent the one of module, program segment or a code
Part a, part for the module, program segment or code is used to realize holding for the logic function of regulation comprising one or more
Row instruction.It should also be noted that at some as in the implementations replaced, the function of being marked in square frame can also be being different from
The order marked in accompanying drawing occurs.For example, two continuous square frames can essentially be performed substantially in parallel, and they are sometimes
Can perform in the opposite order, this is depending on involved function.It is also noted that every in block diagram and/or flow chart
The combination of individual square frame and block diagram and/or the square frame in flow chart, can be with the special base of the function or action for performing regulation
Realize in the system of hardware, or can be realized with the combination of computer instruction with specialized hardware.
In addition, each functional module in each embodiment of the invention can integrate to form an independent portion
Divide, or modules individualism, it is also possible to which two or more modules are integrated to form an independent part.
If the function is realized and as independent production marketing or when using using in the form of software function module, can be with
In being stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And aforesaid storage medium includes：USB flash disk, portable hard drive, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.Need
Illustrate, herein, such as first and second, another or the like relational terms are used merely to an entity or behaviour
Make with another entity or operation make a distinction, and not necessarily require or imply these entities or operate between exist it is any this
Plant actual relation or order.And, term " including ", "comprising" or its any other variant are intended to nonexcludability
Include so that a series of process, method, article or equipment including key elements not only include those key elements, but also
Including other key elements being not expressly set out, or also include intrinsic for this process, method, article or equipment wanting
Element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that wanting including described
Also there is other identical element in process, method, article or the equipment of element.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exists
Similar terms is represented in figure below, therefore, once being defined in a certain Xiang Yi accompanying drawing, then it is not required in subsequent accompanying drawing
It is further defined and is explained.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of parallax formula bore hole 3D shows the detection method of crosstalk, and the 3D for parallax formula 3D display device shows the inspection of crosstalk
Survey, it is characterised in that methods described includes：
Control 3D display devices to show the test image of corresponding each viewpoint, form the display figure of each viewpoint of correspondence
Include many sub- visual point images in picture, the test image；
Control image acquisition equipment obtains the corresponding display image of the viewpoint at the corresponding viewing location of each viewpoint；
Each display image is contrasted with each patch image in standard color block figure, the crosstalk of each display image is obtained
Data, the standard color block figure includes the patch image and the corresponding crosstalk number of each patch image of multiple different gray values
According to；
The corresponding multiple cross-talk datas of the multiple display images of comparison, determine that the 3D of the 3D display devices shows according to comparative result
Crosstalk.
2. method according to claim 1, it is characterised in that it is bag to control the test image that the 3D display devices show
Include the image of black visual point image and white visual point image.
3. method according to claim 1, it is characterised in that the control image acquisition equipment is corresponding in each viewpoint
The corresponding display image of the viewpoint is obtained at viewing location to be included：
Determine the corresponding viewing location of each viewpoint；
The corresponding display image position of the viewpoint in display image is determined at the corresponding viewing location of each viewpoint；
According to the corresponding display image position of each viewpoint, control described image obtains equipment in the corresponding sight of each viewpoint
See the corresponding display image of the corresponding viewpoint of position acquisition.
4. method according to claim 1, it is characterised in that it is described will be every in each display image and standard color block figure
Individual patch image is contrasted, and is obtained the cross-talk data of each display image and is included：
The display image of acquisition is contrasted with each patch image of standard color block figure, obtain in multiple patch images with it is aobvious
Show the immediate patch image of image intensity value；
According to cross-talk data corresponding with the immediate patch image of display image gray value in standard color block figure, obtain each and show
The cross-talk data of diagram picture.
5. method according to claim 1, it is characterised in that the corresponding multiple crosstalk numbers of the multiple display images of the comparison
According to, according to comparative result determine the 3D display devices 3D show crosstalk include：
The corresponding multiple cross-talk datas of the plurality of display image of comparison obtain the maximum in cross-talk data；
Maximum in the cross-talk data determines that the 3D of the 3D display devices shows crosstalk.
6. a kind of parallax formula bore hole 3D shows the detection means of crosstalk, it is characterised in that described device includes：Display control mould
Block, image acquisition control module, crosstalk acquisition module and crosstalk determining module, wherein：
The display control module shows that it is right to be formed for controlling 3D display devices to the test image of corresponding each viewpoint
Answer and include in the display image of each viewpoint, the test image many sub- visual point images；
Described image obtains control module and this is obtained at the corresponding viewing location of each viewpoint for controlling image acquisition equipment
The corresponding display image of viewpoint；
The crosstalk acquisition module is used to be contrasted each display image with each patch image in standard color block figure, obtains
The cross-talk data of each display image is obtained, the standard color block figure includes the patch image and each color of multiple different gray values
The corresponding cross-talk data of block image；
The crosstalk determining module is used for the corresponding multiple cross-talk datas of relatively more multiple display images, and according to comparative result institute is determined
The 3D for stating 3D display devices shows crosstalk.
7. device according to claim 6, it is characterised in that described image obtains control module to be included：Viewing location is true
Order unit, display image position determination unit and display image acquiring unit, wherein：
The position determination unit is used to determine the corresponding viewing location of each viewpoint；
The display image determining unit is used to determine the viewpoint pair in display image at the corresponding viewing location of each viewpoint
The display image position answered；
The display image acquiring unit is used for according to the corresponding display image position of each viewpoint, and control described image is obtained
Taking equipment obtains the corresponding display image of corresponding viewpoint in the corresponding viewing location of each viewpoint.
8. device according to claim 6, it is characterised in that the crosstalk acquisition module includes：Patch image obtains single
Unit and comparison unit, wherein：
The patch image acquiring unit is right for the display image of acquisition and each patch image of standard color block figure to be carried out
Than, obtain in multiple patch images with the immediate patch image of display image gray value；
The comparison unit is used for according to string corresponding with the immediate patch image of display image gray value in standard color block figure
Data are disturbed, the cross-talk data of each display image is obtained.
9. device according to claim 6, it is characterised in that the crosstalk determining module includes comparing unit and determination
Unit, wherein：
The comparing unit is used for the corresponding multiple cross-talk datas of relatively more the plurality of display image and obtains in cross-talk data most
Big value；
The maximum that the determining unit is used in the cross-talk data determines that the 3D of the 3D display devices shows string
Disturb.
10. a kind of parallax formula bore hole 3D shows the detecting system of crosstalk, it is characterised in that the system include 3D display devices,
Control terminal and image acquisition equipment, the control terminal is used to control the 3D display devices and described image is obtained and set
It is standby, wherein：
The 3D display devices form the display of each viewpoint of correspondence for showing to the test image of corresponding each viewpoint
Include many sub- visual point images in image, the test image；
Described image obtains equipment to be used to obtain the corresponding display image of the viewpoint at the corresponding viewing location of each viewpoint；
The control terminal is used to be contrasted each display image with each patch image in standard color block figure, obtains every
The cross-talk data of individual display image, the standard color block figure includes the patch image and each color lump figure of multiple different gray values
As corresponding cross-talk data；The control terminal is additionally operable to the corresponding multiple cross-talk datas of the multiple display images of comparison, according to than
Relatively result determines that the 3D of the 3D display devices shows crosstalk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013345.6A CN106657981B (en) | 2016-11-17 | 2016-11-17 | The detection method of parallax formula bore hole 3D display crosstalk, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013345.6A CN106657981B (en) | 2016-11-17 | 2016-11-17 | The detection method of parallax formula bore hole 3D display crosstalk, apparatus and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106657981A true CN106657981A (en) | 2017-05-10 |
| CN106657981B CN106657981B (en) | 2018-07-24 |
Family
ID=58807300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611013345.6A Active CN106657981B (en) | 2016-11-17 | 2016-11-17 | The detection method of parallax formula bore hole 3D display crosstalk, apparatus and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106657981B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989798A (en) * | 2018-08-16 | 2018-12-11 | 上海玮舟微电子科技有限公司 | Determination method, apparatus, equipment and the storage medium of display device crosstalk angle value |
| CN110010045A (en) * | 2019-04-02 | 2019-07-12 | 上海帆声图像科技有限公司 | It is a kind of to show the detection method of equipment, apparatus and system |
| CN114554174A (en) * | 2020-11-25 | 2022-05-27 | 京东方科技集团股份有限公司 | Naked eye three-dimensional image measuring system, image processing method and device and display equipment |
| WO2022156682A1 (en) * | 2021-01-21 | 2022-07-28 | 京东方科技集团股份有限公司 | Parameter determining method, storage medium, and electronic device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378040A (en) * | 2010-08-24 | 2012-03-14 | 乐金显示有限公司 | System for and method for evaluating crosstalk of stereoscopic image display |
| CN102724545A (en) * | 2012-06-18 | 2012-10-10 | 西安电子科技大学 | Method and system for testing performance indexes of naked-eye 3D (three dimension) display equipment |
| KR20130020289A (en) * | 2011-08-19 | 2013-02-27 | 엘지디스플레이 주식회사 | Method for evaluating 3d crosstalk on stereoscopic image display and system for evaluating 3d crosstalk on the same |
| CN103414912A (en) * | 2013-07-31 | 2013-11-27 | 京东方科技集团股份有限公司 | Method and device for naked eye three-dimensional display crosstalk evaluation |
| CN103686162A (en) * | 2013-12-27 | 2014-03-26 | 京东方科技集团股份有限公司 | Method and device for testing crosstalk of three-dimensional display |
| CN103763550A (en) * | 2014-01-16 | 2014-04-30 | 东南大学 | Method for fast measuring crosstalk of stereoscopic display |
| CN103856773A (en) * | 2012-11-28 | 2014-06-11 | 魏李琳 | Method for measuring left-right-eye luminance crosstalk values of three-dimensional display device |
| US20140313296A1 (en) * | 2013-04-18 | 2014-10-23 | Superd Co. Ltd. | Autostereoscopic display method and system |
| CN104135656A (en) * | 2014-07-11 | 2014-11-05 | 华南理工大学 | Method and device for detecting autostereoscopic display quality of mobile terminal |
| CN104980733A (en) * | 2015-06-18 | 2015-10-14 | 中央民族大学 | Glasses-free 3D display crosstalk test method and test image thereof |
| CN105915894A (en) * | 2016-05-10 | 2016-08-31 | 康佳集团股份有限公司 | Naked eye stereotelevision 3D crosstalk value measuring method |
-
2016
- 2016-11-17 CN CN201611013345.6A patent/CN106657981B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378040A (en) * | 2010-08-24 | 2012-03-14 | 乐金显示有限公司 | System for and method for evaluating crosstalk of stereoscopic image display |
| KR20130020289A (en) * | 2011-08-19 | 2013-02-27 | 엘지디스플레이 주식회사 | Method for evaluating 3d crosstalk on stereoscopic image display and system for evaluating 3d crosstalk on the same |
| CN102724545A (en) * | 2012-06-18 | 2012-10-10 | 西安电子科技大学 | Method and system for testing performance indexes of naked-eye 3D (three dimension) display equipment |
| CN103856773A (en) * | 2012-11-28 | 2014-06-11 | 魏李琳 | Method for measuring left-right-eye luminance crosstalk values of three-dimensional display device |
| US20140313296A1 (en) * | 2013-04-18 | 2014-10-23 | Superd Co. Ltd. | Autostereoscopic display method and system |
| CN103414912A (en) * | 2013-07-31 | 2013-11-27 | 京东方科技集团股份有限公司 | Method and device for naked eye three-dimensional display crosstalk evaluation |
| CN103686162A (en) * | 2013-12-27 | 2014-03-26 | 京东方科技集团股份有限公司 | Method and device for testing crosstalk of three-dimensional display |
| CN103763550A (en) * | 2014-01-16 | 2014-04-30 | 东南大学 | Method for fast measuring crosstalk of stereoscopic display |
| CN104135656A (en) * | 2014-07-11 | 2014-11-05 | 华南理工大学 | Method and device for detecting autostereoscopic display quality of mobile terminal |
| CN104980733A (en) * | 2015-06-18 | 2015-10-14 | 中央民族大学 | Glasses-free 3D display crosstalk test method and test image thereof |
| CN105915894A (en) * | 2016-05-10 | 2016-08-31 | 康佳集团股份有限公司 | Naked eye stereotelevision 3D crosstalk value measuring method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108989798A (en) * | 2018-08-16 | 2018-12-11 | 上海玮舟微电子科技有限公司 | Determination method, apparatus, equipment and the storage medium of display device crosstalk angle value |
| CN108989798B (en) * | 2018-08-16 | 2020-12-08 | 张家港康得新光电材料有限公司 | Method and device for determining crosstalk value of display device and storage medium |
| CN110010045A (en) * | 2019-04-02 | 2019-07-12 | 上海帆声图像科技有限公司 | It is a kind of to show the detection method of equipment, apparatus and system |
| CN114554174A (en) * | 2020-11-25 | 2022-05-27 | 京东方科技集团股份有限公司 | Naked eye three-dimensional image measuring system, image processing method and device and display equipment |
| CN114554174B (en) * | 2020-11-25 | 2024-04-02 | 京东方科技集团股份有限公司 | Naked eye three-dimensional image measuring system, image processing method and device and display equipment |
| WO2022156682A1 (en) * | 2021-01-21 | 2022-07-28 | 京东方科技集团股份有限公司 | Parameter determining method, storage medium, and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106657981B (en) | 2018-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106657981A (en) | Method, device and system for detecting parallax glasses-free 3D display crosstalk | |
| CN110119680B (en) | Automatic error checking system of regulator cubicle wiring based on image recognition | |
| CN104679649B (en) | A kind of software fluency method of testing and test device | |
| CN105096307B (en) | The method of detection object in paired stereo-picture | |
| CN103686162B (en) | Method and device for testing crosstalk of three-dimensional display | |
| CN106412573A (en) | Method and device for detecting lens stain | |
| CN106846298B (en) | Optical fiber flat cable identification method and device | |
| CN102637400B (en) | Method and device for acquiring overdrive lookup table and display device | |
| JP2011010266A (en) | Method and system of evaluating stereo image displaying panel | |
| CN103308523B (en) | Method for detecting multi-scale bottleneck defects, and device for achieving method | |
| CN112493981B (en) | Dynamic stereoscopic vision detection system and method based on naked eye 3D | |
| CN105912912A (en) | Method and system for user to log in terminal by virtue of identity information | |
| CN108921209A (en) | Image identification method, device and electronic equipment | |
| CN107493469A (en) | A kind of method and device of the area-of-interest of determination SFR test cards | |
| CN103826114B (en) | Stereo display method and free stereo display apparatus | |
| CN110164341A (en) | Circuit device, electronic equipment and error-detecting method | |
| CN108830184A (en) | Black eye recognition methods and device | |
| CN108921072A (en) | A kind of the people flow rate statistical method, apparatus and system of view-based access control model sensor | |
| CN111950345A (en) | Camera identification method and device, electronic equipment and storage medium | |
| CN104427210B (en) | A kind of random abnormal point of scintillation detection method and device | |
| CN105872516A (en) | Method and device for obtaining parallax parameters of three-dimensional film source | |
| CN105007481A (en) | Method and device for generating test card | |
| CN102068238A (en) | Automatic stereoscopic vision and colour vision examination instrument | |
| CN105915884A (en) | Method for preventing display terminal 3D crosstalk and system thereof | |
| CN106681868A (en) | Image data testing method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Method, device and system for detecting parallax glasses-free 3D display crosstalk Effective date of registration: 20200611 Granted publication date: 20180724 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: JIANGSU THREDIM PHOTOELECTRIC Co.,Ltd. Registration number: Y2020330000333 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211015 Granted publication date: 20180724 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO THREDIM OPTOELECTRONICS Co.,Ltd. Registration number: Y2020330000333 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |