CN102998095A - Method and device for detecting naked eye stereoscopic displayer - Google Patents
Method and device for detecting naked eye stereoscopic displayer Download PDFInfo
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Abstract
The embodiment of the invention discloses a method and a device for detecting a naked eye stereoscopic displayer. The method includes respectively acquiring parameter information of a left eye visual area and a right eye visual area of the naked eye stereoscopic displayer, and calculating a cross effect of the naked eye stereoscopic displayer according to the acquired parameter information, wherein the parameter information comprises at least one of a brightness value and a color coordinate. The method and the device for detecting the naked eye stereoscopic displayer are simple in operation process and capable of improving detection efficiency and accuracy.
Description
Technical field
The present invention relates to field of display, relate in particular to a kind of detection method and device of naked-eye stereoscopic display.
Background technology
Naked-eye stereoscopic display refers to not need to wear the three-dimensional display system that anaglyph spectacles can be seen the stereo display effect.Wherein, the principle of naked-eye stereoscopic display is as follows: naked-eye stereoscopic display shows the image of left eye and right eye simultaneously, and based on the method for space segmentation, whole light field is divided into left eye vision area and right eye vision area, when people's liquid crystal display soon, when left eye and right eye laid respectively in left eye vision area and the right eye vision area, left eye and right eye can be seen separately respectively left eye picture and right eye picture, pass through again the stereoscopic fusion of brain visual centre, just obtained the effect of stereo display.
The quality of stereoeffect is relevant with the degree of disturbance of left eye and right eye vision area, when there are severe jamming in left eye and right eye, just can not be fused to good stereo-picture, and research also can't obtain good stereoeffect.In the prior art, mainly be that brightness value by optical sensor induction left eye and right eye detects left eye and whether right eye exists interference, the efficient of detection is extremely low, and can only detect and can't detect the brightness of whole picture indivedual points.
Summary of the invention
The embodiment of the invention provides a kind of detection method and device of naked-eye stereoscopic display, is used for improving detection efficiency and accuracy.
A kind of detection method of naked-eye stereoscopic display comprises:
Obtain respectively the parameter information of left eye vision area and the right eye vision area of naked-eye stereoscopic display, parameter information comprises at least one in brightness value and the chromaticity coordinates;
Calculate the cross effect of left eye and right eye according to the parameter information that obtains.
A kind of pick-up unit of naked-eye stereoscopic display comprises:
Acquiring unit, for the parameter information that obtains respectively left eye vision area and the right eye vision area of naked-eye stereoscopic display, parameter information comprises at least one in brightness value and the chromaticity coordinates;
Computing unit is used for according to the parameter information calculating left eye that obtains and the cross effect of right eye.
A kind of pick-up unit of naked-eye stereoscopic display comprises:
Support, computing machine and at least two ccd image sensors;
Naked-eye stereoscopic display is placed on the platform of support, and ccd image sensor is located at the left side and the right on the support, and the spacing of the ccd image sensor on the left side and the right is the spacing of left eye and right eye;
Ccd image sensor is for the parameter information of left eye vision area and the right eye vision area of obtaining naked-eye stereoscopic display, and parameter information inputted computing machine, by the cross effect of computing machine calculating left eye and right eye, wherein, parameter information comprises at least one in brightness value and the chromaticity coordinates.
As can be seen from the above technical solutions, the embodiment of the invention has the following advantages:
The present invention adopts the parameter information of left eye vision area and the right eye vision area of obtaining respectively naked-eye stereoscopic display, and calculate the cross effect of naked-eye stereoscopic display according to the parameter information that obtains, wherein, parameter information comprises at least one in brightness value and the chromaticity coordinates, the present embodiment operating process is simple, and can improve detection efficiency and accuracy.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the synoptic diagram of the detection method of naked-eye stereoscopic display in the embodiment of the invention one;
Fig. 2 is the synoptic diagram of the detection method of naked-eye stereoscopic display in the embodiment of the invention two;
Fig. 3 is the synoptic diagram of the detection method of naked-eye stereoscopic display in the embodiment of the invention three;
Fig. 4 is the synoptic diagram of the pick-up unit of naked-eye stereoscopic display in the embodiment of the invention three;
Fig. 5 is the synoptic diagram of the pick-up unit of naked-eye stereoscopic display in the embodiment of the invention four.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those skilled in the art belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of detection method of naked-eye stereoscopic display, is used for improving detection efficiency and accuracy.The embodiment of the invention also provides related detection device.Below describe in detail respectively.
Embodiment one
The embodiment of the invention provides a kind of detection method of naked-eye stereoscopic display, wherein, for convenience, will be described with the angle of the pick-up unit of naked-eye stereoscopic display, for example, the pick-up unit of this naked-eye stereoscopic display specifically can comprise at least two ccd image sensors.
A kind of detection method of naked-eye stereoscopic display comprises: obtain respectively the parameter information of left eye vision area and the right eye vision area of naked-eye stereoscopic display, parameter information comprises at least one in brightness value and the chromaticity coordinates; Calculate the cross effect of left eye and right eye according to the parameter information that obtains.
See also Fig. 1, for example, specifically can be as follows:
101, obtain respectively the parameter information of left eye vision area and the right eye vision area of naked-eye stereoscopic display, parameter information comprises at least one in brightness value and the chromaticity coordinates;
102, calculate the cross effect of left eye and right eye according to the parameter information that obtains in the step 101.
Preferably, can obtain respectively the left eye vision area of naked-eye stereoscopic display and the right eye vision area parameter information when homochromy, and left eye vision area and the right eye vision area parameter information when not homochromy.
Preferably, calculate after the cross effect of left eye and right eye, also comprise: whether judge cross effect greater than default effect value, if greater than, then naked-eye stereoscopic display is not up to standard.
As from the foregoing, the present invention adopts the parameter information of left eye vision area and the right eye vision area of obtaining respectively naked-eye stereoscopic display, and calculate the cross effect of naked-eye stereoscopic display according to the parameter information that obtains, wherein, parameter information comprises at least one in brightness value and the chromaticity coordinates, the present embodiment operating process is simple, and can improve detection efficiency and accuracy.
It should be noted that, can be according to brightness value, or chromaticity coordinates, can also calculate in conjunction with brightness value and chromaticity coordinates the cross effect of naked-eye stereoscopic display, specifically select according to user's request.The below will be elaborated with concrete application examples, sees also Fig. 2 to Fig. 4.
Embodiment two
See also Fig. 2, present embodiment calculates the cross effect of naked-eye stereoscopic display according to brightness value:
201, obtain respectively the left eye vision area of naked-eye stereoscopic display and the right eye vision area brightness value when homochromy; For example, specifically can be as follows:
For example, can obtain respectively the brightness value that is all black on left eye vision area and the right eye vision area or is all white.Specifically can be as follows:
If the left eye vision area shows black, when the right eye vision area shows black, the brightness value of left eye vision area is made as LBB, the brightness value of right eye vision area is made as RBB.Should be understood that LBB and RBB are respectively the minimum value of left eye vision area and the brightness of right eye vision area.
If left eye vision area display white during right eye vision area display white, is made as LWW with the brightness value of left eye vision area, the brightness value of right eye vision area is made as RWW.Should be understood that LWW and RWW are respectively the maximal values of left eye vision area and the brightness of right eye vision area.
202, obtain respectively the left eye vision area of naked-eye stereoscopic display and the right eye vision area brightness value when not homochromy; For example, specifically can be as follows:
For example, can obtain respectively left eye vision area and right eye vision area is the brightness value that black and white mixes.Specifically can be as follows:
When if left eye vision area display white, right eye vision area show black, the brightness value of right eye vision area is made as RMB.Should be understood that, in the scope of RMB between RBB and RWW.
Then, the cross effect S11 of right eye is:
If the left eye vision area shows black, during right eye vision area display white, the brightness value of left eye vision area is made as LMB.Should be understood that, in the scope of LMB between LBB and LWW.
Then, the cross effect S21 of left eye is:
It should be noted that step 201 and step 202 are carried out in no particular order, can first execution in step 201, also can first execution in step 202, for convenience, be elaborated as an example of first execution in step 201 example in the present embodiment, specifically can consult Fig. 2.
203, calculate the cross effect of left eye and right eye according to the brightness value of the left eye vision area of obtaining in step 201 and the step 202 and right eye vision area.
Specifically can consult step 202, repeat no more herein.
The cross effect S11 of right eye is:
The cross effect S21 of left eye is:
204, whether the cross effect of determining step 203 gained greater than default effect value, if greater than, then naked-eye stereoscopic display is not up to standard.
Wherein, in the technical requirement of naked-eye stereoscopic display, require the image of left eye vision area and right eye vision area to want independent, that is to say the people when watching naked-eye stereoscopic display, left eye can not be seen the image of right eye, and right eye can not be seen the image of left eye.So, the effect of the less representative naked-eye stereoscopic display of cross effect is better.
Wherein, if the left eye cross effect S21 of above-mentioned gained and right eye cross effect S11 can judge then that greater than default effect value the stereoeffect of this naked-eye stereoscopic display is defective, this naked-eye stereoscopic display is not up to standard.
Embodiment three
See also Fig. 3, present embodiment calculates the cross effect of naked-eye stereoscopic display according to chromaticity coordinates:
301, obtain respectively the left eye vision area of naked-eye stereoscopic display and the right eye vision area chromaticity coordinates when homochromy; For example, specifically can be as follows:
For example, can obtain respectively the chromaticity coordinates that is all redness on left eye vision area and the right eye vision area or is all blueness.Specifically can be as follows:
If the left eye vision area shows red, the right eye vision area shows when red, and the red scale of left eye is made as PRLR, and blue coordinate is made as PRLB, and the red scale of right eye vision area is made as PRRR, and blue coordinate is made as PBLB.Should be understood that PRLR is the maximal value of left eye redness, PRLB is the minimum value of left eye blueness, and PRRR is the maximal value of right eye redness, and PRRB is the minimum value of right eye blueness.
If the left eye vision area shows blue, the right eye vision area shows when blue, and the red scale of left eye vision area is made as PBLR, and blue coordinate is made as PBLB, and the red scale of right eye vision area is made as PBRR, and blue coordinate is made as PBRB.Should be understood that PBLR is the minimum value of left eye redness, PBLB is the maximal value of left eye blueness, and PBRR is the minimum value of right eye redness, and PBRB is the maximal value of right eye blueness.
302, obtain respectively the left eye vision area of naked-eye stereoscopic display and the right eye vision area chromaticity coordinates when not homochromy; For example, specifically can be as follows:
For example, can obtain respectively the red and blue chromaticity coordinates that mixes on left eye vision area and the right eye vision area.Specifically can be as follows:
If the left eye vision area shows red, the right eye vision area shows when blue, and the blue coordinate of left eye vision area is made as MRLB, and the red scale of right eye vision area is made as MRRR.Should be understood that, in the scope of MRLB between PRLB and PBLB, in the scope of MRRR between PBRR and PRRR.
Then, the cross effect S12 of right eye is:
The cross effect S22 of left eye is:
In addition, calculate cross effect by chromaticity coordinates and can also further verify by the following method, can avoid in actual applications owing to be subject to the error of calculation that the factors such as impact of extraneous light or naked-eye stereoscopic display position are brought.For example, can calculate the left eye vision area and show blueness, the chromaticity coordinates when the right eye vision area shows redness calculates cross effect, specifically can be as follows:
If the left eye vision area shows blue, the right eye vision area shows when red, and the blue coordinate of left eye vision area is made as MBLR, and the blue coordinate of right eye vision area is made as MBRB.Should be understood that, in the scope of MBLR between PBLR and PRLR, in the scope of MBRB between PRRB and PBRB.
Then, the cross effect S13 of right eye is:
The cross effect S23 of left eye is:
It should be noted that step 301 and step 302 are carried out in no particular order, can first execution in step 301, also can first execution in step 302, for convenience, be elaborated as an example of first execution in step 301 example in the present embodiment, specifically can consult Fig. 3.
303, calculate the cross effect of left eye and right eye according to the chromaticity coordinates of the left eye vision area of obtaining in step 301 and the step 302 and right eye vision area.
Specifically can consult step 302, repeat no more herein.
The cross effect S12 of right eye is:
The cross effect S22 of left eye is:
Can also verify the cross effect S12 of right eye obtained above and the cross effect S22 of left eye according to the cross effect S13 of right eye and the cross effect S23 of left eye:
Wherein,
304, whether the cross effect of determining step 303 gained greater than default effect value, if greater than, then naked-eye stereoscopic display is not up to standard.
Wherein, in the technical requirement of naked-eye stereoscopic display, require the image of left eye vision area and right eye vision area to want independent, that is to say the people when watching naked-eye stereoscopic display, left eye can not be seen the image of right eye, and right eye can not be seen the image of left eye.So, the effect of the less representative naked-eye stereoscopic display of cross effect is better.
Wherein, if the cross effect S12 of the cross effect S22S12 of the left eye of above-mentioned gained and right eye can judge then that greater than default effect value the stereoeffect of this naked-eye stereoscopic display is defective, this naked-eye stereoscopic display is not up to standard.
Embodiment four
Present embodiment calculates the cross effect of naked-eye stereoscopic display according to brightness value and chromaticity coordinates:
Present embodiment can be got left eye cross effect S21 and the right eye cross effect S11 that calculates gained among the embodiment two according to brightness value, with calculate the left eye cross effect S22 of gained and the mean value of right eye cross effect S12 according to chromaticity coordinates among the embodiment three, obtain calculating according to brightness value and chromaticity coordinates left eye cross effect S24 and the right eye cross effect S14 of gained.
That is, the cross effect S14 of right eye is:
The cross effect S24 of left eye is:
Whether judge the cross effect S14 of the cross effect S24 of left eye of above-mentioned gained and right eye greater than default effect value, if greater than, then naked-eye stereoscopic display is not up to standard.
It should be noted that implementation can referring to above-described embodiment, repeat no more herein.
Embodiment five
Present embodiment provides a kind of pick-up unit of naked-eye stereoscopic display, specifically can consult Fig. 4, mainly can comprise: acquiring unit 401 and computing unit 402.
Acquiring unit 401, for the parameter information that obtains respectively left eye vision area and the right eye vision area of naked-eye stereoscopic display, parameter information comprises at least one in brightness value and the chromaticity coordinates;
Computing unit is used for according to the parameter information calculating left eye that obtains and the cross effect of right eye.
Preferably, acquiring unit 401, the parameter information when the concrete left eye vision area that is used for obtaining respectively naked-eye stereoscopic display and right eye vision area are homochromy, and left eye vision area and the right eye vision area parameter information when not homochromy.For example, left eye vision area and the right eye vision area that can obtain respectively naked-eye stereoscopic display are all black, with be all white, and the brightness value of black and white when mixing, and/or, left eye vision area and the right eye vision area of obtaining respectively naked-eye stereoscopic display are all redness, and are all blueness, and the chromaticity coordinates during red and blue the mixing.
Embodiment six
In order better to understand the technical scheme of present embodiment, present embodiment also provides a kind of entity apparatus, sees also Fig. 5, specifically can comprise support 501, computing machine 502 and at least two ccd image sensors 503.
Naked-eye stereoscopic display 500 is placed on the platform of support 501, and ccd image sensor 503 is located at the left side and the right on the support 501, and the spacing of the ccd image sensor 503 on the left side and the right is the spacing of left eye and right eye.
Wherein, ccd image sensor 503 is for the parameter information of left eye vision area and the right eye vision area of obtaining naked-eye stereoscopic display 500, and parameter information inputted on the computing machine 502, and calculate the cross effect of left eyes and right eye by computing machine 502, wherein, parameter information comprises at least one in brightness value and the chromaticity coordinates.
Wherein, ccd image sensor 503 is charge coupled cell (CCD, Charge-coupledDevice).Ccd image sensor 503 is a kind of semiconductor devices, can be converted into digital signal to optical image.When the image on the naked-eye stereoscopic display 500 through lens focus to the CCD chip, CCD is according to the electric charge of the power of light accumulation corresponding proportion, the electric charge of each pixel accumulation can form vision signal output.Vision signal just can be seen the video image identical with original image on being connected on the display devices such as computing machine.Obtain thus brightness value and the chromaticity coordinates of picture on the naked-eye stereoscopic display 500, thereby calculate cross effect according to brightness value and/or chromaticity coordinates.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
More than detection method and the device of a kind of naked-eye stereoscopic display provided by the present invention is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for those skilled in the art, the thought according to the embodiment of the invention all will change in specific embodiments and applications, and in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1. the detection method of a naked-eye stereoscopic display is characterized in that, comprising:
Obtain respectively the parameter information of left eye vision area and the right eye vision area of described naked-eye stereoscopic display, described parameter information comprises at least one in brightness value and the chromaticity coordinates;
Calculate the cross effect of left eye and right eye according to the described parameter information that obtains.
2. method according to claim 1 is characterized in that,
Described parameter information comprises brightness value.
3. method according to claim 2 is characterized in that, describedly obtains respectively the left eye vision area of described naked-eye stereoscopic display and the parameter information of right eye vision area comprises:
Obtain respectively the left eye vision area of described naked-eye stereoscopic display and the right eye vision area brightness value when homochromy, and obtain respectively left eye vision area and the right eye vision area brightness value when not homochromy.
4. method according to claim 3 is characterized in that,
If the left eye vision area shows black, when the right eye vision area shows black, the brightness value of left eye vision area is made as LBB, the brightness value of right eye vision area is made as RBB;
If left eye vision area display white during right eye vision area display white, is made as LWW with the brightness value of left eye vision area, the brightness value of right eye vision area is made as RWW;
When if left eye vision area display white, right eye vision area show black, the brightness value of right eye vision area is made as RMB, then the cross effect S11 of right eye is:
If the left eye vision area shows black, during right eye vision area display white, the brightness value of left eye vision area is made as LMB, then the cross effect S21 of left eye is:
5. method according to claim 1 is characterized in that,
Described parameter information comprises chromaticity coordinates.
6. method according to claim 5 is characterized in that, describedly obtains respectively the left eye vision area of described naked-eye stereoscopic display and the parameter information of right eye vision area comprises:
Obtain respectively the left eye vision area of described naked-eye stereoscopic display and the right eye vision area chromaticity coordinates when homochromy, and obtain respectively left eye vision area and the right eye vision area chromaticity coordinates when not homochromy.
7. method according to claim 6 is characterized in that,
If the left eye vision area shows red, the right eye vision area shows when red, and the red scale of left eye is made as PRLR, and blue coordinate is made as PRLB, and the red scale of right eye vision area is made as PRRR, and blue coordinate is made as PBLB;
If the left eye vision area shows blue, the right eye vision area shows when blue, and the red scale of left eye vision area is made as PBLR, and blue coordinate is made as PBLB, and the red scale of right eye vision area is made as PBRR, and blue coordinate is made as PBRB;
If the left eye vision area shows red, the right eye vision area shows when blue, and the blue coordinate of left eye vision area is made as MRLB, and the red scale of right eye vision area is made as MRRR, then:
The cross effect S12 of right eye is:
The cross effect S22 of left eye is:
8. method according to claim 6 is characterized in that,
If the left eye vision area shows red, the right eye vision area shows when red, and the red scale of left eye is made as PRLR, and blue coordinate is made as PRLB, and the red scale of right eye vision area is made as PRRR, and blue coordinate is made as PBLB;
If the left eye vision area shows blue, the right eye vision area shows when blue, and the red scale of left eye vision area is made as PBLR, and blue coordinate is made as PBLB, and the red scale of right eye vision area is made as PBRR, and blue coordinate is made as PBRB;
If the left eye vision area shows blue, the right eye vision area shows when red, and the blue coordinate of left eye vision area is made as MBLR, and the blue coordinate of right eye vision area is made as MBRB, then:
The cross effect S13 of right eye is:
The cross effect S23 of left eye is:
9. method according to claim 1 is characterized in that,
Described parameter information comprises brightness value and chromaticity coordinates.
10. each described method in 9 according to claim 1 is characterized in that, describedly calculates after the cross effect of left eye and right eye according to the described parameter information that obtains, and also comprises:
Whether judge described cross effect greater than default effect value, if greater than, then described naked-eye stereoscopic display is not up to standard.
11. the pick-up unit of a naked-eye stereoscopic display is characterized in that, comprising:
Acquiring unit, for the parameter information that obtains respectively left eye vision area and the right eye vision area of described naked-eye stereoscopic display, described parameter information comprises at least one in brightness value and the chromaticity coordinates;
Computing unit is used for according to the described parameter information calculating left eye that obtains and the cross effect of right eye.
12. device according to claim 11 is characterized in that,
Described acquiring unit, the parameter information when the concrete left eye vision area that is used for obtaining respectively described naked-eye stereoscopic display and right eye vision area are homochromy, and left eye vision area and the right eye vision area parameter information when not homochromy.
13. the pick-up unit of a naked-eye stereoscopic display is characterized in that, comprising:
Support, computing machine and at least two ccd image sensors;
Described naked-eye stereoscopic display is placed on the platform of described support, and described ccd image sensor is located at the left side and the right on the described support, and the spacing of the ccd image sensor on the described left side and the right is the spacing of left eye and right eye;
Described ccd image sensor is for the parameter information of left eye vision area and the right eye vision area of obtaining described naked-eye stereoscopic display, and with described parameter information input computing machine, calculate the cross effect of left eye and right eye by described computing machine, wherein, described parameter information comprises at least one in brightness value and the chromaticity coordinates.
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| 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 |
| CN108322734A (en) * | 2018-01-24 | 2018-07-24 | 华勤通讯技术有限公司 | The measuring device and method of visual device brightness of image |
| CN108519215A (en) * | 2018-03-28 | 2018-09-11 | 华勤通讯技术有限公司 | Interpupillary distance adaptive testing system and method, test main frame |
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