CN206650798U - The test system of stereo display effect - Google Patents
The test system of stereo display effect Download PDFInfo
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- CN206650798U CN206650798U CN201621469377.2U CN201621469377U CN206650798U CN 206650798 U CN206650798 U CN 206650798U CN 201621469377 U CN201621469377 U CN 201621469377U CN 206650798 U CN206650798 U CN 206650798U
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Abstract
Stereo display technique field is the utility model is related to, discloses a kind of test system of stereo display effect.Including：Filming apparatus and processor, filming apparatus include being available for the left and right camera and distance adjusting mechanism worn, and distance adjusting mechanism is used to adjust the distance between left and right camera, is allowed to be adapted with the interpupillary distance of wearer；Left and right camera is used to shoot the 3D anaglyphs that 3 d display device is shown；Processor includes：Computing module, for calculating in left view the pixel count of the second pixel and the second current percentage of total pixel number in the first current percentage and right view of the pixel count of the first pixel and total pixel number；Measure of merit module is used to obtain value to be compared according to the preset relation between the first current percentage, the second current percentage and the first current percentage and the second current percentage, by value to be compared compared with threshold value, obtain stereo display effect characterization value, can it is objective, test stereo display effect exactly.
Description
Technical field
Stereo display technique field is the utility model is related to, more particularly to a kind of test system of stereo display effect.
Background technology
The image-forming principle of stereo-picture Display Technique is：Binocular parallax based on beholder, allow beholder left eye and the right side
Eye perceives the anaglyph with image difference respectively, and the brain of beholder forms stereogram based on the image difference perceived
Picture.
Existing 3 d display device accurately controlled by grating array each pixel pass through light, only allow left eye or
Right eye sees that, because left eye is different with the angle of right eye viewing display panel, covering light using this differential seat angle will can scheme
As distributing to left eye or right eye, this two discrepant images are synthesized into a pair by brain, and there is spatial depth and dimension to believe
The image of breath, so as to form stereo display effect.
Because grating array more or less has error with display panel in 3 d display device assembling process, can cause
The appearance of crosstalk, i.e. left view enter the right eye of beholder, and right view carries out the left eye of beholder, so as to cause stereoscopic display to be imitated
Fruit is bad, or even the problems such as can not meet to form stereo display effect.Therefore, to ensure product quality, before product export, need
The test of stereo display effect is carried out to 3 d display device, the big product of the crosstalk product small with crosstalk is differentiated.
Test to stereo display effect at present also rests on dependence technical staff and the display image on display panel is entered
Row subjective judgement.The technical merit of different technologies personnel is different, and the test to display effect is also different so as to judged result not
Accurately.And observe for a long time, technical staff can cause visual fatigue, make the judgement to display effect more inaccurate.In addition
Application engineer carries out subjective judgement and taken time and effort, and adds production cost.
Utility model content
The purpose of the utility model embodiment is to provide a kind of test system of stereo display effect, can it is objective,
Stereo display effect is tested exactly.
In order to solve the above technical problems, embodiment of the present utility model provides a kind of test system of stereo display effect
System, including：Filming apparatus and the processor with filming apparatus communication connection, filming apparatus include left and right camera and distance
Governor motion,
Distance adjusting mechanism is used for：Adjust the distance between left and right camera, make the distance between left and right camera with
The interpupillary distance of wearer is adapted；
Left and right camera is used for：Shoot the 3D anaglyphs that 3 d display device is shown, wherein 3D anaglyphs bag simultaneously
Include the left view and right view of left and right camera shooting；
Processor includes：
Computing module, for calculating the first current percentage of the pixel count of the first pixel and total pixel number in left view,
The pixel count of the second pixel and the second current percentage of total pixel number in right view are calculated, wherein, the first pixel is different from the
Two pixels；
Measure of merit module, is connected with computing module, for according to the first current percentage, the second current percentage and
Preset relation between first current percentage and the second current percentage obtains value to be compared, by value to be compared and threshold value ratio
Compared with acquisition stereo display effect characterization value.
The utility model embodiment adjusts left and right camera in terms of existing technologies, by distance adjusting mechanism
The distance between, the distance between left and right camera is adapted with the interpupillary distance of wearer；Clapped simultaneously using left and right camera
The 3D anaglyphs that 3 d display device is shown are taken the photograph, wherein 3D anaglyphs include left view and the right side of left and right camera shooting
View；Computing module calculates the pixel count of the first pixel and the first current percentage of total pixel number in left view, calculates the right side and regards
Second current percentage of the pixel count of the second pixel and total pixel number in figure, wherein, the first pixel is different from the second pixel；Effect
Fruit test module is according to the first current percentage, the second current percentage and the first current percentage and the second current percentage
Between preset relation obtain value to be compared, by value to be compared compared with threshold value, acquisition stereo display effect characterization value, Neng Gouke
See, evaluate stereo display effect exactly.
In addition, the distance between left and right camera is adjustable in the range of 50mm-80mm, the influence of human eye interpupillary distance is introduced
The evaluation of stereo display effect, make evaluation result more accurate, it is objective.
In addition, processor also includes the pretreatment module being connected with computing module, pretreatment module is used for 3D disparity maps
As being pre-processed to filter the non-anaglyph picture in periphery, stereo display effect can be more accurately tested.
In addition, product of the preset relation between the first current percentage and the second current percentage, threshold value are correspondingly arranged
For the base percentage in standard anaglyph, measure of merit module is used for：First area in acquisition standard anaglyph
The base percentage of base percentage and second area, wherein, the base percentage of first area shows for 3 d display device
For the first single color state when, the pixel count of the first pixel and the percentage of total pixel number in first area, the basis of second area
When percentage is that 3 d display device is shown as the second single color state, the pixel count and total pixel number of the second pixel in second area
Percentage；Ratio using the base percentage of first area in the first current percentage and standard anaglyph is poor as first
Different degree；Using the ratio of the base percentage of second area in the second current percentage and standard anaglyph as the second difference
Degree；Using the product of the first diversity factor and the second diversity factor as stereo display effect characterization value is characterized, carried out using image algorithm
Detection test, and inhuman subjective detection, can more objectively test stereo display effect.
Brief description of the drawings
Fig. 1 is the structural representation of the test system of the stereo display effect of the utility model first embodiment；
Fig. 2 is the structural representation of the filming apparatus of the utility model second embodiment；
Fig. 3 is the structural representation of the filming apparatus of the embodiment of the utility model the 3rd；
Fig. 4 is the structural representation of the filming apparatus of the embodiment of the utility model the 4th；
Fig. 5 is the structural representation of the processor of the embodiment of the utility model the 5th；
Fig. 6 is that the stereo display effect test system of the embodiment of the utility model the 6th carries out stereo display effect test
Connection diagram；
Fig. 7 is that the stereo display effect test system of the embodiment of the utility model the 7th carries out stereo display effect test
Method schematic diagram.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Each embodiment of type is explained in detail.It is however, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order that reader more fully understands the application and proposes many ins and outs.But even if without these skills
Art details and many variations based on following embodiment and modification, the application technical side claimed can also be realized
Case.
The utility model first embodiment is related to a kind of test system of stereo display effect, the survey of stereo display effect
Test system includes：Filming apparatus and processor, filming apparatus are connected with processor communication.As shown in figure 1, filming apparatus includes
Left and right camera and distance adjusting mechanism.
Distance adjusting mechanism is used for：Adjust the distance between left and right camera, make between the left and right camera away from
It is adapted from the interpupillary distance with wearer.
Left and right camera is used for：The 3D anaglyphs that 3 d display device is shown are shot simultaneously, wherein the 3D disparity maps
Left view and right view as including the left and right camera shooting.
Processor includes：Computing module and measure of merit module.Computing module is used to calculate the first pixel in left view
Pixel count and total pixel number the first current percentage, calculate the of the pixel count of the second pixel and total pixel number in right view
Two current percentages, wherein, the first pixel is different from the second pixel.Measure of merit module is connected with computing module, for basis
Preset relation between first current percentage, the second current percentage and the first current percentage and the second current percentage
Value to be compared is obtained, by value to be compared, obtains stereo display effect characterization value.
In the utility model embodiment, total pixel number refer to all pixels in left view or right view pixel count it
With the pixel count sum of the pixel count of the first pixel and the second pixel preferably in left view or right view.The utility model is real
The 3D anaglyphs that mode processor obtains according to filming apparatus are applied to be detected using image algorithm, and inhuman subjective inspection
Survey, while filming apparatus also adjusts the distance between left and right camera, make left and right camera before 3D anaglyphs are shot
The distance between matched with the interpupillary distance of wearer, so introduce the influence of the interpupillary distance of wearer, can it is objective, evaluate exactly
Stereo display effect.
In the utility model embodiment, as shown in Fig. 2 filming apparatus includes left and right camera 11,12 and one
Frame 13, support 13 are wear-type structure.Specifically, support could be arranged to picture frame type structure or helmet-type structure, with convenient
Wearer wears.Left and right shooting first 11,12 is arranged on support 13, and distance adjusting mechanism (not shown) is by controlling left and right bat
Take the photograph first 11,12 to move on support, adjust left and right camera 11, the distance between 12.Between left and right camera 11,12 away from
It is adjustable from the range of 50mm-80mm.Human eye interpupillary distance is introduced in the utility model embodiment when testing stereo display effect
Influence, can it is more accurate, objectively test stereo display effect.
Include two fixtures 14 on support 13, left and right camera 11,12 is separately positioned on fixture 14.Fixture
14 can move freely on support 13.Distance adjusting mechanism is moved by adjusting two fixtures 14 on support, and then is adjusted
Save left and right camera 11, the distance between 12.
In more specifically embodiment, as shown in figure 3, including a sliding groove 15 on support 13, two fixtures 14 are set
Put in sliding groove 15, distance adjusting mechanism controls two fixtures 14 opposite or reverse motions in sliding groove 15, and then adjusts
Save left and right camera 11, the distance between 12.
In the utility model embodiment, as shown in figure 4, filming apparatus also includes communication interface.Communication interface is used for
The shooting instruction that reception processing device is sent；Left and right camera instructs the 3D parallaxes for shooting 3 d display device and showing according to shooting
Image.Communication interface is additionally operable to the 3D anaglyphs of shooting being sent to processor, so that processor conveniently tests 3D disparity maps
The stereo display effect of picture.
In the utility model embodiment, computing module is used for：Calculate the pixel count of the first pixel in the M1 of first area
With the percentage of total pixel number, the first current percentage nL is obtained；Calculate in second area M2 the pixel count of the second pixel with it is total
The percentage of pixel count, the second current percentage nR is obtained, wherein, the first pixel is different from the second pixel, and first area M1 is
The corresponding region in left camera of 3 d display device, second area M2 are that 3 d display device is corresponding in right camera
Region.Using the first pixel as red, exemplified by the second pixel is green, the pixel count of the first pixel and total pixel in the M1 of first area
The first several current percentage nL is the component sum divided by first area M1 of the pixel count of the red pixel in the M1 of first area
Total pixel number.And the second current percentage nR of the pixel count of the second pixel and total pixel number is the secondth area in second area M2
The component sum of the pixel count of green pixel in the M2 of domain divided by second area M2 total pixel number.The utility model embodiment
The red green performance of current screen is characterized using the first current current percentage nR of percentage nL and second.
In other embodiment of the present utility model, can also taking the first pixel, the second pixel is red, is entered for green
One step, any pixel in R, G, B can also be taken to be used as the second picture as any of the first pixel, other two kinds of pixels
Element, this is not restricted.
In the utility model embodiment, threshold value is correspondingly arranged with preset relation, and preset relation is the first current percentage
It is between percentage more current than second and, at least one of product, average or extreme value.Threshold value can be according to standard parallax
Image obtains.Wherein, obtained when standard anaglyph can be the shape or single color state that 3 d display device is shown as rule
The anaglyph taken.
The product using preset relation between the first current percentage and the second current percentage, threshold value are correspondingly arranged below
To be illustrated exemplified by the base percentage in standard anaglyph：Wherein, standard anaglyph is that 3 d display device is shown
For single color state when acquired anaglyph, threshold value is arranged to the base percentage in the standard anaglyph.Now, effect
Test module is used for：The base percentage nL0 of first area in acquisition standard anaglyph and the basic percentage of second area
Compare nR0；It is worth to according to the first current percentage nL and first area M1 base percentage nL0 in standard anaglyph ratio
First diversity factor；According to the ratio of second area M2 base percentage nR0 in the second current percentage nR and standard anaglyph
It is worth to the second diversity factor；Using the product of the first diversity factor and the second diversity factor as sign stereo display effect characterization value.Should
Product represents that the stereo display effect of 3D anaglyphs and the stereo display effect in standard anaglyph are closer closer to 1,
Stereo display effect is better.First diversity factor is used to characterize the red green performance of current screen in first area and optimal screen is red green
Performance diversity factor, its value represents the aobvious of the current display effect of left view and the left view in standard 3D rendering closer to 1
Show that effect is closer.Second area M2 diversity factor is used to characterize the red green performance of current screen in second area and optimal screen
The diversity factor of red green performance.Closer to 1, the current display effect and the right side in standard anaglyph for representing right view regard its value
The display effect of figure is closer.
In the utility model embodiment, first area M1 base percentage nR0 and second in standard anaglyph
Region M2 base percentage nR0 can be stored in advance, and subsequently directly extraction uses.It can also be calculated by computing module
When 3 d display device is the first single color state, the pixel count of the first pixel and the percentage of total pixel number obtain in the M1 of first area
The base percentage nL0 of the first area M1 in standard anaglyph is taken, the second list is shown as by calculating 3 d display device
During color state, the percentage of the pixel count of the second pixel and total pixel number obtains second area M2 basis hundred in second area M2
Divide and compare nR0.
Specifically, computing module is additionally operable to：When 3 d display device is the first single color state, calculate in the M1 of first area
The pixel count of first pixel and the percentage of total pixel number, first area M1 base percentage nL0 is obtained, wherein, the first picture
Element is monochromatic corresponding with first；When 3 d display device is shown as the second single color state, the second pixel in second area M2 is calculated
Pixel count and total pixel number base percentage nR0, obtain second area M2 percentage, wherein, the second pixel and second
Monochrome is corresponding, the first pixel difference and the second pixel.
In the utility model embodiment, the first monochromatic preferably red, the second monochromatic preferably green.Standard disparity map
The first pixel of first area M1 as in and the first pixel of the first area M1 in the 3D anaglyphs obtained are same face
The pixel of color.Similarly, the second pixel of the second area M2 in standard anaglyph and the in the 3D anaglyphs obtained
Two region M2 the second pixel is the pixel of same color.
In the utility model embodiment, as shown in figure 5, processor also includes pretreatment module.Pretreatment module is used
In being pre-processed to 3D anaglyphs to filter the non-anaglyph picture in periphery.3D anaglyphs are entered by pretreatment module
Row pretreatment, extraction anaglyph region, avoids influence of the surrounding environment light to judge, so as to more accurately test solid
Display effect.
It is noted that each module involved in present embodiment is logic module, and in actual applications, one
Individual logic unit can be a part for a physical location or a physical location, can also be with multiple physics lists
The combination of member is realized.In addition, in order to protrude innovative part of the present utility model, will not be with solving this reality in present embodiment
Introduced with the less close unit of new proposed technical problem relation, but this is not intended that in present embodiment and it is not present
Its unit.
Fig. 6 is the connection diagram that stereo display effect test system carries out stereo display effect test.Processor passes through
USB interface is connected with filming apparatus.Processor can also be connected by other communication interfaces with filming apparatus, not have to limit herein
System.In other embodiment of the present utility model, processor can also carry out wireless connection with filming apparatus.Processor can be with
It is server, personal computer, notebook etc..
Fig. 7 is the method schematic diagram that stereo display effect test system carries out stereo display effect test.As shown in fig. 7,
Stereo display effect method of testing includes：
Step 1：Filming apparatus adjusts the distance between left and right camera and is adapted with human eye interpupillary distance.
Human eye interpupillary distance adjustment with specific reference to wearer makes the distance between left camera 11 and right camera 12 and human eye
Interpupillary distance is adapted.
Before step 1, processor detects whether to be connected with left and right camera.If processor is not taken the photograph with left and right
As head connection, then reminded.If processor connects with left and right camera respectively, subsequent step is performed.
Step 2：Processor sends shooting instruction to left and right camera.
Step 3：Left and right camera receives shooting instruction, is shot.
In step 3, the 3D anaglyphs that left and right camera shooting 3 d display device is shown.
Step 4：Left and right camera shoots 3D anaglyphs and transmitted to processor.
Step 5：Processor shows preview 3D anaglyphs.
Step 6：Processor tests the stereo display effect of 3D anaglyphs.
Test system of test of the processor to stereo display effect referring specifically to the stereo display effect of first embodiment
System part, will not be repeated here.
The stereo display effect test system of the utility model embodiment can apply to medical domain：Filming apparatus with
Computer connects, and doctor wears filming apparatus, by adjusting the distance between filming apparatus middle left and right camera, makes left and right take the photograph
It is objective, accurate as the medical image that the distance between head is adapted with the interpupillary distance of wearer, and computer disposal filming apparatus obtains
Stereo display effect is tested on ground, enables a physician to more accurately observe medical image, and then carries out medical diagnosis on disease.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific implementation of the present utility model
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (10)
- A kind of 1. test system of stereo display effect, it is characterised in that including：Filming apparatus and communicated with the filming apparatus The processor of connection, the filming apparatus include being available for the left and right camera and distance adjusting mechanism worn,The distance adjusting mechanism is used for：Adjust the distance between left and right camera, make between the left and right camera away from It is adapted from the interpupillary distance with wearer；The left and right camera is used for：The 3D anaglyphs that 3 d display device is shown are shot simultaneously, wherein the 3D disparity maps Left view and right view as including the left and right camera shooting；The processor includes：Computing module, for calculating the first current percentage of the pixel count of the first pixel and total pixel number in the left view, The second current percentage of the pixel count of the second pixel and total pixel number in the right view is calculated, wherein, first pixel Different from second pixel；Measure of merit module, is connected with computing module, for according to the described first current percentage, the second current percentage And the preset relation between the first current percentage and the second current percentage obtains value to be compared, is treated described Fiducial value obtains stereo display effect characterization value compared with threshold value.
- 2. the test system of stereo display effect according to claim 1, it is characterised in that the left and right camera it Between distance it is adjustable in the range of 50mm-80mm.
- 3. the test system of stereo display effect according to claim 1, it is characterised in that the filming apparatus also includes Communication interface,The left and right camera receives the shooting instruction of the processor transmission via communication interface and referred to according to the shooting The 3D anaglyphs that order shooting 3 d display device is shown.
- 4. the test system of stereo display effect according to any one of claim 1 to 3, it is characterised in that the bat Taking the photograph device also includes support, and the left and right shooting head is set on the bracket, and the distance adjusting mechanism passes through described in control Left and right shooting head moves on the bracket, adjusts the distance between described left and right camera.
- 5. the test system of stereo display effect according to claim 4, it is characterised in that the support is picture frame type knot Structure or helmet-type structure.
- 6. the test system of stereo display effect according to claim 5, it is characterised in that two are set on the support Fixture, the left and right camera are provided respectively therein on a fixture, and the distance adjusting mechanism passes through regulation Described two fixtures move on the bracket, and then adjust the distance between described left and right camera.
- 7. the test system of stereo display effect according to claim 6, it is characterised in that set one to slide on the support Dynamic groove, two fixtures are arranged in the sliding groove, and the distance adjusting mechanism controls two fixtures in institute Opposite or reverse motions in sliding groove are stated, and then adjust the distance between described left and right camera.
- 8. the test system of stereo display effect according to claim 4, it is characterised in that the processor also include with The pretreatment module of the computing module connection, the pretreatment module are used to pre-process the 3D anaglyphs to filter Fall the non-anaglyph picture in periphery.
- 9. the test system of stereo display effect according to claim 1, it is characterised in that the computing module is also used In：Using the pixel count of the first pixel in first area and the percentage of total pixel number as the described first current percentage, its In, the first area is with the left camera corresponding region of the 3 d display device in the left camera；Using the pixel count of the second pixel in second area and the percentage of total pixel number as the described second current percentage, its In, the second area is with the right camera corresponding region of the 3 d display device in the right camera.
- 10. the test system of stereo display effect according to claim 9, it is characterised in that the preset relation is institute The product between the first current percentage and the second current percentage is stated, the threshold value is correspondingly arranged as standard anaglyph In base percentage, the measure of merit module is used for：The base percentage of the base percentage of first area and the second area described in the standard anaglyph is obtained, Wherein, when the base percentage of the first area is that the 3 d display device is shown as the first single color state, described first The percentage of the pixel count of first pixel and total pixel number described in region, the base percentage of the second area is described vertical When body display device is shown as the second single color state, the pixel count of the second pixel described in the second area and total pixel number Percentage；The ratio of the base percentage of first area described in described first current percentage and the standard anaglyph is made For the first diversity factor；The ratio of the base percentage of second area described in described second current percentage and the standard anaglyph is made For the second diversity factor；Using the product of first diversity factor and second diversity factor as sign stereo display effect characterization value.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195563A (en) * | 2017-12-29 | 2018-06-22 | 深圳超多维科技有限公司 | Display effect assessment method, device and the test and appraisal terminal of a kind of 3 d display device |
| CN108259888A (en) * | 2016-12-29 | 2018-07-06 | 深圳超多维光电子有限公司 | The test method and system of stereo display effect |
-
2016
- 2016-12-29 CN CN201621469377.2U patent/CN206650798U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259888A (en) * | 2016-12-29 | 2018-07-06 | 深圳超多维光电子有限公司 | The test method and system of stereo display effect |
| CN108195563A (en) * | 2017-12-29 | 2018-06-22 | 深圳超多维科技有限公司 | Display effect assessment method, device and the test and appraisal terminal of a kind of 3 d display device |
| CN108195563B (en) * | 2017-12-29 | 2020-04-28 | 深圳超多维科技有限公司 | Display effect evaluation method and device of three-dimensional display device and evaluation terminal |
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