CN108156448A - The detecting system and detection method of crossfire value, storage medium and processor - Google Patents
The detecting system and detection method of crossfire value, storage medium and processor Download PDFInfo
- Publication number
- CN108156448A CN108156448A CN201711182708.3A CN201711182708A CN108156448A CN 108156448 A CN108156448 A CN 108156448A CN 201711182708 A CN201711182708 A CN 201711182708A CN 108156448 A CN108156448 A CN 108156448A
- Authority
- CN
- China
- Prior art keywords
- image
- receiving plane
- mentioned
- projection
- projected 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.)
- Withdrawn
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
Abstract
Detecting system and detection method, storage medium and processor this application provides a kind of crossfire value.The detecting system of the crossfire value includes：Receiving plane, receiving plane be used to obtaining image that 3D display device shows with the predetermined distance range of the display surface of image in projection, and the line of receiving plane and people two is parallel；Image processing apparatus for obtaining the projected image of the presumptive area on receiving plane, and calculates 3D display device in the crossfire value from display surface at different multiple positions according to projected image.The detecting system is moved without image processing apparatus, it is possible to calculate crossfire value of the people when watching image at different multiple positions from display surface by the image information of projected image.The time spent using detecting system detection crossfire value is less so that detection efficiency is higher.
Description
Technical field
This application involves 3D display field, detecting system and detection method in particular to a kind of crossfire value, storages
Medium and processor.
Background technology
Bore hole 3D display device is an important development direction of current display technology, the display can allow user without
The stereoscopic picture plane with Deep Canvas must directly can be watched on a display screen by any ancillary equipment.
The main operational principle of this class display is with certain side by two width with continuous parallax information or multiple image
The pixel that case allows in display screen shows respectively, then again by beam splitter, such as lenticular sheet or slit grating,
This few width image is projected with different angle to different spaces respectively, by rational optical design, the left side of viewer can be allowed
Right eye is respectively received this few width image, and the image received due to right and left eyes is different and with continuous parallax information, so as to
To synthesize the picture with depth information in the brain.
The important indicator evaluated at present is right and left eyes cross-luma (hereinafter referred to as crosstalk), and the degree of strength of crosstalk is straight
The quality for influencing the presentation of its stereoscopic effect is connect, the cross-interference issue of bore hole 3D display device is also that existing bore hole 3D display device is generally deposited
A problem.
Under normal circumstances, it is the picture of left eye to be entered not completely into left eye, part to generate the main reason for crosstalk
It enters in right eye, i.e. crosstalk of the left eye to right eye；And/or to enter the picture of right eye not completely into right eye, partly into
Enter into left eye, i.e. crosstalk of the right eye to left eye.
The equipment for being presently used for the crosstalk of detection bore hole 3D display device is less, and conventional method is directly to use one or more
A camera is detecting the photic-energy transfer that projects of screen at screen certain position, such as application No. is 201310329433.7,
The Chinese patent of 201610146319.4 and 201610309640.X discloses a kind of to be shown using one camera to obtain bore hole 3D
Show the method for the screen exit photic-energy transfer of device；Application No. is 201210201133.6 and 201210479003.9 Chinese patents
Disclose a kind of use double camera simulation human eye viewing condition, and then the method for obtaining space luminous energy distributed data.Above two
Method is to obtain crossfire value by the space luminous energy value on shooting acquisition certain position and then by calculation of crosstalk.
In above-mentioned two methods, camera is set to the crosstalk relevant information that current location can only be obtained in front of screen, and
The light energy distribution of bore hole 3D display device is in entire space, to obtain a certain range of crosstalk numerical value, it is necessary to by screen with
Camera carries out opposite movement or rotation so that and the time that detection process is spent is more, and detection efficiency is relatively low, also, to
The cross-talk data arrived is more accurate, then needs the step value relatively moved smaller, still, can lead to the time that detection expends so more
More, crosstalk detection efficiency is lower.
Invention content
The main purpose of the application is to provide the detecting system and detection method of a kind of crossfire value, storage medium and place
Manage device, with solve can not obtain by simple method in the prior art display with the distance of picture display face in certain model
The problem of enclosing interior crossfire value.
To achieve these goals, according to the one side of the application, a kind of detecting system of crossfire value, the string are provided
The detecting system for disturbing value includes：Receiving plane, above-mentioned receiving plane be used to obtaining image that 3D display device shows with above-mentioned image
Projection in the predetermined distance range of display surface, and the line of above-mentioned receiving plane and people two is parallel；Image processing apparatus is used for
Obtain the projected image of the presumptive area on above-mentioned receiving plane, and according to above-mentioned projected image calculate above-mentioned 3D display device with
Crossfire value of the above-mentioned display surface at different multiple positions.
Further, the angle between line segment and above-mentioned receiving plane where above-mentioned predetermined distance range 0 °~
Between 10 °, preferably above-mentioned angle is 0 °.
Further, above-mentioned receiving plane is rectangle receiving plane, and above-mentioned receiving plane and above-mentioned display surface share one and vertical put down
Facet 5.
Further, the reflectivity of above-mentioned receiving plane is more than 50%, and preferably in reflection light, diffusing reflection accounting is more than
50%, the minimum widith on two line directions of parallel and people of preferably above-mentioned receiving plane is greater than or equal to 65mm.
Further, at least two labels are provided on above-mentioned receiving plane, at least two above-mentioned labels are above-mentioned for determining
Presumptive area, preferably above-mentioned presumptive area are rectangular area, and each above-mentioned label is respectively on the endpoint of above-mentioned rectangular area.
Further, above-mentioned image processing apparatus includes：Image capture device, above-mentioned image capture device is for acquisition
State projected image；Processor is electrically connected with above-mentioned image capture device, for calculating above-mentioned crosstalk according to above-mentioned projected image
Value.
Further, above-mentioned image capture device includes camera lens, and above-mentioned camera lens is oppositely arranged with above-mentioned receiving plane, preferably on
It states crosstalk detection system and further includes mounting bracket, above-mentioned mounting bracket is for fixing above-mentioned image capture device, preferably above-mentioned mounting bracket
For movable supporting frame, further preferred above-mentioned image capture device includes measurement module, and above-mentioned measurement module is above-mentioned for determining
Presumptive area.
Further, above-mentioned image includes N number of visual point image and an all black picture, wherein, X visual point image is the
The corresponding pixel of X viewpoint is displayed in white, and other above-mentioned pixels show the image of black, X≤N, N >=2, above-mentioned processor packet
It includes：Gray scale acquiring unit is electrically connected with above-mentioned image capture device, for obtaining each above-mentioned projection according to each above-mentioned projected image
The gray value of image；Computing unit is electrically connected with above-mentioned gray scale acquiring unit, for calculating above-mentioned viewpoint according to above-mentioned gray value
The crossfire value of the pixel of image.
Further, said detecting system is placed in darkroom and is tested.
According to the another aspect of the application, a kind of detection method of crossfire value is provided, which includes：Obtain 3D
Projection of the image that display is shown in the predetermined distance range of the display surface with above-mentioned image, and above-mentioned projection is parallel to people
The line of two；Obtain the projected image of the presumptive area of each above-mentioned projection；It is calculated at least partly according to each above-mentioned projected image
The crossfire value of above-mentioned image.
Further, above-mentioned projection is obtained using receiving plane, before above-mentioned projection is obtained, above-mentioned detection method is also wrapped
It includes：Above-mentioned receiving plane is placed on the position with the angle apart from line segment where above-mentioned predetermined distance range between 0 °~10 °
It puts, preferably above-mentioned angle is 0 °, and further preferably, above-mentioned receiving plane is rectangle receiving plane, above-mentioned receiving plane and above-mentioned display
Face shares one and vertically divides face equally.
Further, above-mentioned image includes N number of visual point image and an all black picture, wherein, X visual point image is the
The corresponding pixel of X viewpoint is displayed in white, and other above-mentioned pixels show the image of black, X≤N, N >=2, above-mentioned acquisition 3D display
The process of the projection for the image that device is shown includes：Obtain the projection that above-mentioned 3D display device shows all black picture；It obtains successively above-mentioned
3D display device shows the projection of N number of visual point image.
Further, the process that the crossfire value of above-mentioned image is calculated according to above-mentioned projected image includes：According to above-mentioned projection
The gray value and position coordinates of each pixel of the above-mentioned projected image of image acquisition；Each upper rheme is calculated according to above-mentioned gray value
Put the crossfire value of the above-mentioned pixel of coordinate.
According to the application's in another aspect, providing a kind of storage medium, which includes the program of storage,
In, equipment where above-mentioned storage medium is controlled when above procedure is run performs any above-mentioned detection method.
According to the another aspect of the application, a kind of processor is provided, which is used to run program, wherein, it is above-mentioned
Program performs any above-mentioned detection method when running.
Using the technical solution of the application, in the detecting system, the figure that 3D display device shows is obtained using above-mentioned receiving plane
As the projection in the predetermined distance range of the display surface with above-mentioned image, which includes multiple continuous distances
Value, you can simulation obtains the image conditions that people sees in the distance difference with display surface, is then obtained using image processing apparatus
The corresponding image of the projection on receiving plane is taken, i.e. referred to as projected image, in specific detection process, obtain the throwing of visual point image
Shadow image, and by the information in the projected image of visual point image handle above-mentioned 3D display device with above-mentioned display surface distance not
Crossfire value at same multiple positions.The detecting system is moved without image processing apparatus, it is possible to pass through the figure of projected image
As information calculates crossfire value of the people when watching image at different multiple positions from display surface.It is examined using the detecting system
It is less to survey the time that crossfire value is spent so that detection efficiency is higher.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 shows the structure diagram of crosstalk detection system provided according to a kind of embodiment of the application；
Fig. 2 shows the partial structural diagrams of crosstalk detection system that another embodiment of the application provides；And
Fig. 3 shows the partial structural diagram of the crosstalk detection system in Fig. 1.
Wherein, above-mentioned attached drawing is marked including the following drawings：
1st, 3D display device；2nd, receiving plane；3rd, image processing apparatus；4th, mounting bracket；5th, vertically divide face equally；10th, display surface；
20th, presumptive area；21st, it marks；31st, image capture device；32nd, processor.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be understood that when element (such as layer, film, region or substrate) be described as another element " on " when, this yuan
Intermediary element can may be present directly on another element or also in part.Moreover, in specification and following claims
In, when description has element " connected " to another element, which " can be directly connected to " to another element or pass through third
Element " electrical connection " is to another element.
As background technology is introduced, in the prior art, can not obtain by simple method display with image
The distance of the display surface crossfire value (including multiple continuous distance values) in a certain range, in order to which the technology solved as above is asked
Topic, present applicant proposes the inspections of the detecting system and detection method, storage medium and processor, i.e. crossfire value of a kind of crossfire value
Examining system, the detection method of crossfire value, storage medium and processor.
In a kind of typical embodiment of the application, a kind of crosstalk detection system is provided, as shown in Figure 1, above-mentioned inspection
Examining system includes receiving plane 2 and image processing apparatus 3, above-mentioned receiving plane 2 be used to obtaining the image of the display of 3D display device 1 with
State the projection in the predetermined distance range of the display surface 10 of image, and the line of above-mentioned receiving plane 2 and people two is parallel；At image
Reason device 3 is used to obtain the projected image of the presumptive area 20 on above-mentioned receiving plane 2, and is calculated according to above-mentioned projected image
3D display device 1 is stated in the crossfire value from above-mentioned display surface 10 at different multiple positions.
Using the technical solution of the application, in the detecting system, the figure that 3D display device shows is obtained using above-mentioned receiving plane
As the projection in the predetermined distance range of the display surface with above-mentioned image, which includes multiple continuous distances
Value, you can simulation obtains the image conditions that people sees in the distance difference with display surface, is then obtained using image processing apparatus
The corresponding image of the projection on receiving plane is taken, i.e. referred to as projected image, in specific detection process, obtain the throwing of visual point image
Shadow image, and by the information in the projected image of visual point image handle above-mentioned 3D display device with above-mentioned display surface distance not
Crossfire value at same multiple positions.The detecting system is moved without image processing apparatus, it is possible to pass through the figure of projected image
As information calculates crossfire value of the people when watching image at different multiple positions from display surface.It is examined using the detecting system
It is less to survey the time that crossfire value is spent so that detection efficiency is higher.
In order to more accurately obtain crossfire value of the display in the range of certain distance, and simultaneously in order to realize that use is smaller
Receiving plane just can obtain the crossfire value in the range of relatively large distance, in a kind of embodiment of the application, above-mentioned predetermined distance range
The angle between line segment and above-mentioned receiving plane 2 at place is between 0 °~10 °.
In a kind of embodiment of the application, above-mentioned angle is 0 °, i.e., receiving plane is vertical with display surface, after can simplifying in this way
Processing procedure in continuous image processing apparatus, and more accurately crossfire value is further obtained, and obtain in bigger distance range
Crossfire value.
In another embodiment of the application, as shown in Fig. 2, above-mentioned receiving plane 2 is rectangle receiving plane, above-mentioned receiving plane 2
One, which is shared, with above-mentioned display surface 10 vertical divides face 5 equally.I.e. it is vertical with one of display surface vertically to divide face equally by one of receiving plane
It is to overlap to divide face equally, and the set-up mode of such receiving plane can be by judging whether light energy is vertical about it on receiving plane
It is symmetrical so as to judge that 3D display device light energy projects the state in space to divide face equally, since user is to face
The center viewing of the display surface of 3D display device, i.e., eyes are in display surface perpendicular bisector both sides symmetric position, therefore judge 3D
The state in display light energy projects to space is very necessary, if light energy asymmetry is cast out, can lead to user
Must be biased towards display screen side can just see best 3D effect, cause user experience bad.
In order to more accurately obtain the information for the image that display surface is shown, the projection of image distortionless as possible, the application
A kind of embodiment in, the reflectivity of above-mentioned receiving plane 2 is more than 50%, and preferably in reflection light, diffusing reflection accounting is more than
50%.
In the another embodiment of the application, the minimum widith on two line directions of parallel and people of above-mentioned receiving plane 2
More than or equal to 65mm.Two eye distances of people are from being commonly considered as 65mm, so it is parallel with people two to set above-mentioned receiving plane 2 here
Minimum widith on line direction is more than 65mm, can crosstalk of the very true simulation human eye when watching 3D display device.
The position of presumptive area is efficiently determined for convenience, and is ensured on the corresponding receiving plane of each projected image obtained
Same area so that image processing apparatus is during the corresponding projected image of subsequent processing different points of view image,
In a kind of same area progress data processing, embodiment of the application, at least two labels are provided on above-mentioned receiving plane 2
21, at least two above-mentioned labels are used to determine above-mentioned presumptive area 20.
It can be any luminescent marking for representing specific range or areal extent that above-mentioned label, which is,
Object, those skilled in the art can set the suitable label of setting on the receiving surface according to actual conditions.
In the another embodiment of the application, above-mentioned presumptive area 20 is rectangular area, and each above-mentioned label is located at upper respectively
It states on the endpoint of rectangular area, can more efficiently and easily determine corresponding presumptive area in this way, improve detecting system
Detection efficiency.
In order to further improve detection efficiency, in a kind of embodiment of the application, as shown in Figure 1, above-mentioned image procossing fills
3 are put to include：Image capture device 31, above-mentioned image capture device 31 are used to obtain above-mentioned projected image；Processor 32, it is and above-mentioned
Image capture device 31 is electrically connected, for calculating above-mentioned crossfire value according to above-mentioned projected image.
In a kind of specific embodiment of the application, above-mentioned image capture device can be any one of the prior art
Image capture device, those skilled in the art can select suitable image capture device, Image Acquisition according to actual conditions
Equipment has fixed aperture, time for exposure and sensitivity.In a kind of specific embodiment of the application, above-mentioned image capture device
For camera.
In order to further ensure image capture device can the more accurate presumptive area that clearly obtain projection it is corresponding
Projected image, in a kind of embodiment of the application, as shown in Figure 1, above-mentioned image capture device 31 includes camera lens, above-mentioned camera lens with
Above-mentioned receiving plane 2 is oppositely arranged.
In another embodiment of the application, as shown in Figure 1, above-mentioned crosstalk detection system further includes mounting bracket 4, the installation
Frame ensure that the detecting system has better reliability for fixing above-mentioned image capture device 31.
In order to facilitate the position for adjusting above-mentioned image capture device 31, in a kind of embodiment of the application, above-mentioned mounting bracket
For movable supporting frame, by moving mobile stent, and then mobile image acquisition equipment, and then the throwing of presumptive area is accurately obtained
Shadow image.
Presumptive area is determined for convenience, and in a kind of embodiment of the application, above-mentioned image capture device 31 includes measuring
Module, above-mentioned measurement module is for determining above-mentioned presumptive area 20, i.e., before projected image is obtained, crosses measurement module and first determine
Then presumptive area obtains the projected image of presumptive area again.In a kind of specific embodiment, above-mentioned measurement module includes mark
Scale in digital camera is carried out length check and correction, so that it is determined that in the position captured by camera by ruler on the receiving surface before shooting
The physical size of rectangular range and captured range and the distance of display surface.When above-mentioned presumptive area rectangle as shown in Figure 1
Region constantly, as shown in Figures 1 and 3, the scale it needs to be determined that the length on one side parallel with display surface of presumptive area for W,
The length on one side vertical with display surface is a, and one side minimum and in parallel with display surface distance in presumptive area is with showing
Show the distance in face for D1, the distance of one side farthest and in parallel and display surface is DX apart from display surface, and DX-D1=a.
In another embodiment of the application, above-mentioned image includes N number of visual point image and an all black picture, wherein, X
A visual point image is displayed in white for the corresponding pixel of X viewpoint, the image of other above-mentioned pixels display black, X≤N, N >=2,
Above-mentioned processor 32 includes gray scale acquiring unit and computing unit, and gray scale acquiring unit is electrically connected with above-mentioned image capture device 31
Connect, for obtaining the gray value of each above-mentioned projected image according to each above-mentioned projected image, specifically, obtain N number of visual point image with
The gray value of each point in one all black picture；Computing unit is electrically connected with above-mentioned gray scale acquiring unit, for according to above-mentioned ash
Angle value calculates the crossfire value of each pixel of above-mentioned visual point image.
In order to avoid the shadow in external environment rings testing result, in a kind of embodiment of the application, said detecting system
It is placed in darkroom and is tested.
In the typical embodiment of another kind of the application, a kind of detection method of crossfire value, the detection method are provided
Including：Projection of the image that acquisition 3D display device is shown in the predetermined distance range of the display surface with above-mentioned image, and the throwing
Shadow is parallel to the line of people two；Obtain the projected image of the presumptive area of each above-mentioned projection；According to each above-mentioned projected image meter
Calculate the crossfire value of at least partly above-mentioned image.
In above-mentioned detection method, pre- spacing of the image that shows of 3D display device in the display surface with above-mentioned image is obtained first
Projection from the range of, the distance range include multiple continuous distance values, you can simulation obtain people with display surface away from
From it is different when the image conditions seen, then obtain the corresponding image of projection on receiving plane again, i.e. referred to as projected image, finally
According to crossfire value of the projected image calculating section image in predetermined distance range.This method is simpler, and detection efficiency is higher, nothing
The equipment for obtaining image need to be moved, it is possible to the crossfire value of each pixel be calculated by the image information of projected image, correspondence obtains
Obtain the crosstalk information of some visual point image or multiple visual point images.
In a kind of embodiment of the application, above-mentioned projection is obtained using receiving plane, before above-mentioned projection is obtained, above-mentioned inspection
Survey method further includes：By above-mentioned receiving plane be placed on the angle apart from line segment where above-mentioned predetermined distance range 0 °~
On position between 10 °.Crossfire value of the display in the range of certain distance can more accurately be obtained in this way, and simultaneously can be with
It realizes using smaller receiving plane with regard to the crossfire value in the range of relatively large distance can be obtained.
In a kind of embodiment of the application, above-mentioned angle is 0 °, i.e., receiving plane is parallel with apart from line segment, i.e. receiving plane and figure
The display surface of picture is vertical.The process subsequently calculated can be simplified in this way, and further obtain more accurately crossfire value, and obtained more
Crossfire value in big distance range.
In another embodiment of the application, as shown in Fig. 2, above-mentioned receiving plane 2 is rectangle receiving plane, above-mentioned receiving plane 2
One, which is shared, with above-mentioned display surface 10 vertical divides face 5 equally.I.e. it is vertical with one of display surface vertically to divide face equally by one of receiving plane
It is to overlap to divide face equally, and the set-up mode of such receiving plane can be by judging whether light energy is vertical about it on receiving plane
It is symmetrical so as to judge that 3D display device light energy projects the state in space to divide face equally, since user is to face
The center viewing of the display surface of 3D display device, i.e., eyes are in display surface perpendicular bisector both sides symmetric position, therefore judge 3D
The state in display light energy projects to space is very necessary, if light energy asymmetry is cast out, can lead to user
Must be biased towards display screen side can just see best 3D effect, cause user experience bad.
In a kind of specific embodiment, above-mentioned image includes N number of visual point image and an all black picture, wherein, X regards
Point image is displayed in white for the corresponding pixel of X viewpoint, the image of other above-mentioned pixels display black, X≤N, and N >=2 are above-mentioned
The process of the projection of image that 3D display device is shown is obtained to include：Obtain the projection that above-mentioned 3D display device shows all black picture；According to
The secondary projection for obtaining above-mentioned 3D display device and showing N number of visual point image, can more accurately obtain image in preset distance model in this way
Enclose interior crossfire value.
Certainly, in ideal conditions, i.e., shooting environmental and screen can it is completely black in the case of, it is not required that in control
3D display device is stated to show all black picture and then obtain the image information of corresponding projected image.It only needs to obtain N number of visual point image
.
In order to accurately obtain the crossfire value of each point in presumptive area, in a kind of embodiment of the application, according to above-mentioned projection
The process that image calculates the crossfire value of above-mentioned image includes：Each pixel of above-mentioned projected image is obtained according to above-mentioned projected image
Gray value and position coordinates, specifically, the information of each pixel can will be denoted as Gm, u, v, as shown in figure 3, its table
Show gray value of the coordinate for the pixel at (u, v) position in the coordinate system (UV coordinate systems) that m-th of image is formed in presumptive area；
The crossfire value of the above-mentioned pixel of each above-mentioned position coordinates is calculated according to above-mentioned gray value.
Specifically, in a kind of implementation, above-mentioned calculation formula can beIts
In, n represents remaining viewpoint in addition to m viewpoints, GB, u, v are to measure the pixel ash for being located at (u, v) position in completely black picture image
Angle value, the value are background noise energy.
According to the application's in another aspect, providing a kind of storage medium, above-mentioned storage medium includes the program of storage,
In, detection method that equipment where above-mentioned storage medium is controlled to perform any of the above-described kind when above procedure is run.
Above-mentioned storage medium causes the detection efficiency higher of crosstalk, and testing result is more accurate.
According to the application's in another aspect, providing a kind of processor, above-mentioned processor is used to run program, wherein, on
Any of the above-described kind of detection method is performed when stating program operation.
Above-mentioned processor causes the detection efficiency higher of crosstalk, and testing result is more accurate.
In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool
The embodiment of body illustrates the technical solution of the application.
Embodiment
As shown in Figure 1, detecting system includes receiving plane 2, image processing apparatus 3 and mounting bracket 4.
The size of receiving plane is long 800mm, high 600mm, and the size of 3D display device is 15.6 cun, and receiving plane 2 is projection cloth,
The display surface of above-mentioned receiving plane 2 and above-mentioned 3D display device 1 is vertically arranged, and as shown in Fig. 2, display surface and receiving plane share one
It is a vertically to divide face equally.The reflectivity of projection cloth is more than 50%, and diffusing reflection light is more than or 50%.
And as shown in Fig. 2, there are two label 21, two above-mentioned labels 21 are a rectangle for setting on above-mentioned receiving plane 2
Two endpoints on same diagonal, the determining rectangular area of the two labels is presumptive area.As shown in Figure 1,
Two sides of the presumptive area are respectively W and a, and W=100mm, a=500mm.
Wherein, image processing apparatus 3 includes image capture device 31 and processor 32, and above-mentioned image capture device 31 is
Digital camera, the mirror of digital camera are set, and camera is fixed on mounting bracket 4 against receiving plane, and mounting bracket 4 is removable
Dynamic stent.Above-mentioned processor 32 is computer, and including gray scale acquiring unit and the computing unit being connected electrically.Specifically
Connection relation and effect see above.
Specific detection process includes：
It is adjusted by adjusting movable supporting frame, the camera lens of digital camera is moved to the visual field can cover presumptive area
Position, and fixed movable supporting frame.
Control 3D display device first shows a completely black image, i.e. all black picture, in the image projection to receiving plane, then
Using the projection of the presumptive area on digital camera shooting receiving plane, projected image is obtained, and preserve into computer；
Control 3D display device shows the 1st visual point image, i.e., the 1st corresponding pixel of viewpoint is displayed in white, other above-mentioned pictures
Element shows the image of black, in the image projection to receiving plane, then using the fate on digital camera shooting receiving plane
The projection in domain obtains projected image, and preserves into computer；
Control 3D display device shows the 2nd visual point image, i.e., the 2nd corresponding pixel of viewpoint is displayed in white, other above-mentioned pictures
Element shows the image of black, in the image projection to receiving plane, then using the fate on digital camera shooting receiving plane
The projection in domain obtains projected image, and preserves into computer；
Computer obtains the gray value of each presumptive area according to projected image, also, calculates each visual point image predetermined
The crossfire value of each point in region can specifically utilize formulaIts
In, CrosstalkM, u, vRepresent the crossfire value for being located at (u, v) position in the corresponding projected image of m-th of visual point image, n expressions remove
Remaining viewpoint outside m viewpoints, GB, u, v are to measure the grey scale pixel value for being located at (u, v) position in completely black picture image, the value
For background noise energy.
Can also the crossfire value of above-mentioned acquisition be carried out image conversion according to numerical values recited to be shown in the presumptive area, then may be used
The spatial distribution state of crossfire value is more intuitively shown for user.
By above-mentioned detection process, only by shooting 3 width images, you can complete the survey of all crossfire values in presumptive area
Measure rather than mobile or rotary camera needed to carry out point-by-point detection data as prior art, therefore, the detection method and detection
System greatly improves measurement efficiency, and equipment overall simple is easy to operate, and cost is relatively low.
It can be seen from the above description that the application the above embodiments realize following technique effect：
1), in the detecting system of the application, using above-mentioned receiving plane obtain the image that shows of 3D display device with above-mentioned figure
Projection in the predetermined distance range of the display surface of picture, the distance range include multiple continuous distance values, you can simulation obtains
Then the image conditions that people is taken to see in the distance difference with display surface obtain the throwing on receiving plane using image processing apparatus
The corresponding image of shadow, i.e. referred to as projected image, in specific detection process, obtain the projected image of visual point image, and will regard
Information in the projected image of point image handle above-mentioned 3D display device from above-mentioned display surface apart from different multiple positions
The crossfire value at place.The detecting system is moved without image processing apparatus, it is possible to calculate people by the image information of projected image
Crossfire value when watching image at different multiple positions from display surface.It is spent using detecting system detection crossfire value
Time it is less so that detection efficiency is higher.
2), in the detection method of the application, the image that acquisition 3D display device is shown first is in the display surface with above-mentioned image
Predetermined distance range in projection, which includes multiple continuous distance values, you can simulation obtain people with it is aobvious
Then the image conditions seen during the distance difference for showing face obtain the corresponding image of projection on receiving plane again, that is, be known as projecting
Image, the finally crossfire value according to projected image calculating section image in predetermined distance range.This method is simpler, detection effect
Rate is higher, without the mobile equipment for obtaining image, it is possible to calculate the crosstalk of each pixel by the image information of projected image
Value, the corresponding crosstalk information for obtaining some visual point image or multiple visual point images.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (15)
1. a kind of crosstalk detection system, which is characterized in that the detecting system includes：
Receiving plane (2), the receiving plane (2) for obtain 3D display device (1) display image in the display surface with described image
(10) the projection in predetermined distance range, and the line of the receiving plane (2) and people two is parallel；And
Image processing apparatus (3), for obtaining the projected image of the presumptive area (20) on the receiving plane (2), and according to
The projected image calculates the 3D display device (1) in the crosstalk from the display surface (10) at different multiple positions
Value.
2. crosstalk detection system according to claim 1, which is characterized in that the range line where the predetermined distance range
For angle between section and the receiving plane (2) between 0 °~10 °, preferably described angle is 0 °.
3. crosstalk detection system according to claim 1, which is characterized in that the receiving plane (2) be rectangle receiving plane, institute
It states receiving plane (2) and the display surface (10) and shares one and vertical divide face (5) equally.
4. crosstalk detection system according to claim 1, which is characterized in that the reflectivity of the receiving plane (2) is more than
50%, and preferably in reflection light, diffusing reflection accounting is more than 50%, two lines of parallel and people of preferably described receiving plane (2)
Minimum widith on direction is greater than or equal to 65mm.
5. crosstalk detection system according to claim 1, which is characterized in that be provided at least two on the receiving plane (2)
A label (21), at least two labels (21) are for determining the presumptive area (20), preferably described presumptive area (20)
For rectangular area, each label (21) is respectively on the endpoint of the rectangular area.
6. crosstalk detection system according to claim 1, which is characterized in that described image processing unit (3) includes：
Image capture device (31), described image collecting device (31) is for obtaining the projected image；And
Processor (32) is electrically connected with described image collecting device (31), for calculating the crosstalk according to the projected image
Value.
7. crosstalk detection system according to claim 6, which is characterized in that described image collecting device (31) is including mirror
Head, the camera lens are oppositely arranged with the receiving plane (2), and preferably described crosstalk detection system further includes mounting bracket (4), the peace
It shelves for fixing described image collecting device (31), preferably described mounting bracket is movable supporting frame, the further preferred figure
Picture collecting device (31) includes measurement module, and the measurement module is used to determine the presumptive area (20).
8. crosstalk detection system according to claim 6, which is characterized in that described image includes N number of visual point image and one
A all black picture, wherein, X visual point image is displayed in white for the corresponding pixel of X viewpoint, and other pixels show black
The image of color, X≤N, N >=2, the processor (32) include：
Gray scale acquiring unit is electrically connected with described image collecting device (31), for obtaining each institute according to each projected image
State the gray value of projected image；And
Computing unit is electrically connected with the gray scale acquiring unit, for calculating the picture of the visual point image according to the gray value
The crossfire value of element.
9. detecting system according to claim 1, which is characterized in that the detecting system, which is placed in darkroom, to be surveyed
Examination.
10. a kind of detection method of crossfire value, which is characterized in that the detection method includes：
Obtain the image that shows of 3D display device with the predetermined distance range of the display surface of described image in projection, and the throwing
Shadow is parallel to the line of people two；
Obtain the projected image of the presumptive area of each projection；And
The crossfire value of at least part described image is calculated according to each projected image.
11. detection method according to claim 10, which is characterized in that the projection is obtained using receiving plane, is being obtained
Before the projection, the detection method further includes：
The receiving plane is placed on the position with the angle apart from line segment where the predetermined distance range between 0 °~10 °
It puts,
It is preferred that the angle is 0 °,
Further preferably, the receiving plane is rectangle receiving plane, and the receiving plane and the display surface share one and vertical divide equally
Face.
12. detection method according to claim 10, which is characterized in that described image includes N number of visual point image and one
All black picture, wherein, X visual point image is displayed in white for the corresponding pixel of X viewpoint, and other pixels show black
Image, X≤N, N >=2, the process of the projection of image that shows of 3D display device that obtains includes：
Obtain the projection that the 3D display device shows all black picture；And
The projection that the 3D display device shows N number of visual point image is obtained successively.
13. detection method according to claim 10, which is characterized in that described image is calculated according to the projected image
The process of crossfire value includes：
The gray value and position coordinates of each pixel of the projected image are obtained according to the projected image；And
The crossfire value of the pixel of each position coordinates is calculated according to the gray value.
14. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein, it is run in described program
When control the storage medium where equipment perform claim require detection method described in any one of 10 to 13.
15. a kind of processor, which is characterized in that the processor is used to run program, wherein, right of execution when described program is run
Profit requires the detection method described in any one of 10 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182708.3A CN108156448A (en) | 2017-11-23 | 2017-11-23 | The detecting system and detection method of crossfire value, storage medium and processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711182708.3A CN108156448A (en) | 2017-11-23 | 2017-11-23 | The detecting system and detection method of crossfire value, storage medium and processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108156448A true CN108156448A (en) | 2018-06-12 |
Family
ID=62469018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711182708.3A Withdrawn CN108156448A (en) | 2017-11-23 | 2017-11-23 | The detecting system and detection method of crossfire value, storage medium and processor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108156448A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640073A (en) * | 2018-12-12 | 2019-04-16 | 张家港康得新光电材料有限公司 | A kind of detection method and device of bore hole 3D display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122075A (en) * | 2010-11-30 | 2011-07-13 | 上海大学 | Estimation system and method based on inter-image mutual crosstalk in projection stereoscope visible area |
| CN102427541A (en) * | 2011-09-30 | 2012-04-25 | 深圳创维－Rgb电子有限公司 | Method and device for displaying three-dimensional image |
| 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 |
| US20160191906A1 (en) * | 2014-12-31 | 2016-06-30 | Superd Co., Ltd. | Wide-angle autostereoscopic three-dimensional (3d) image display method and device |
-
2017
- 2017-11-23 CN CN201711182708.3A patent/CN108156448A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122075A (en) * | 2010-11-30 | 2011-07-13 | 上海大学 | Estimation system and method based on inter-image mutual crosstalk in projection stereoscope visible area |
| CN102427541A (en) * | 2011-09-30 | 2012-04-25 | 深圳创维－Rgb电子有限公司 | Method and device for displaying three-dimensional image |
| 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 |
| US20160191906A1 (en) * | 2014-12-31 | 2016-06-30 | Superd Co., Ltd. | Wide-angle autostereoscopic three-dimensional (3d) image display method and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640073A (en) * | 2018-12-12 | 2019-04-16 | 张家港康得新光电材料有限公司 | A kind of detection method and device of bore hole 3D display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106441138B (en) | The deformation monitoring method of view-based access control model measurement | |
| ES2402229T3 (en) | Image fusion method and device | |
| CN1908580B (en) | Method and related system for determination of position of an x-ray source relative to an x-ray image detector | |
| RU2769303C2 (en) | Equipment and method for formation of scene representation | |
| TWI394431B (en) | Evaluation method of stereoscopic image display panel and system of the same | |
| CN110427917A (en) | Method and apparatus for detecting key point | |
| US20120287240A1 (en) | Camera calibration using an easily produced 3d calibration pattern | |
| US20120287287A1 (en) | Display screen for camera calibration | |
| CN103852060B (en) | A kind of based on single visual visible images distance-finding method felt | |
| CN110146030A (en) | Side slope surface DEFORMATION MONITORING SYSTEM and method based on gridiron pattern notation | |
| CN113252309A (en) | Testing method and testing device for near-to-eye display equipment and storage medium | |
| CN107888906A (en) | The detecting system of crosstalk, the detection method of crosstalk, storage medium and processor | |
| JP2005333564A (en) | Display evaluation method and its device | |
| JP2004163271A (en) | Noncontact image measuring apparatus | |
| CN109584263B (en) | Testing method and system of wearable device | |
| CN204944450U (en) | Depth data measuring system | |
| Sykora et al. | Optical characterization of autostereoscopic 3D displays | |
| CN112907647B (en) | Three-dimensional space size measurement method based on fixed monocular camera | |
| Penczek et al. | 31‐2: Measuring Interocular Geometric Distortion of Near‐Eye Displays | |
| CN113411564A (en) | Method, device, medium and system for measuring human eye tracking parameters | |
| CN108156448A (en) | The detecting system and detection method of crossfire value, storage medium and processor | |
| CN205607625U (en) | Heavy -calibre long -focus remote sensing camera distortion measuring device based on TDI -CCD | |
| CN211047088U (en) | Positionable panoramic three-dimensional imaging system | |
| CN112361989B (en) | Method for calibrating parameters of measurement system through point cloud uniformity consideration | |
| US11948290B2 (en) | Individual channel characterization of collimator |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180612 |