CN102724521A - Method and apparatus for stereoscopic display - Google Patents
Method and apparatus for stereoscopic display Download PDFInfo
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- CN102724521A CN102724521A CN2011100770205A CN201110077020A CN102724521A CN 102724521 A CN102724521 A CN 102724521A CN 2011100770205 A CN2011100770205 A CN 2011100770205A CN 201110077020 A CN201110077020 A CN 201110077020A CN 102724521 A CN102724521 A CN 102724521A
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Abstract
The present invention discloses a method and an apparatus for stereoscopic display, relates to the field of stereoscopic display, and solves a problem that adaptive adjustment of parallaxes of stereoscopic display signals cannot be conducted in the prior art. A scheme provided in embodiments of the method and an apparatus for stereoscopic display is: receiving an initial view having parallaxes; detecting a parallax value of the initial view; determining whether or not the parallax value of the initial view goes beyond a preset parallax threshold value; and when the parallax value goes beyond the preset parallax threshold value, adjusting the parallax value of the initial view to be within the preset parallax threshold value, and using the adjusted view for display. Embodiments of the method and the apparatus for stereoscopic display are suitable for stereoscopic televisions, stereoscopic cinema equipment, stereoscopic projection equipment, etc.
Description
Technical field
The present invention relates to the stereo display field, relate in particular to a kind of stereo display method and device.
Background technology
3 d display device is normally shown at same display screen by two views with parallax effect at least.
In making this stereo display signal process with parallax effect, the setting of the parallax of three-dimensional video-frequency making apparatus is relevant with the size of display screen, and screen is big more, and the depth of field of performance is big more, requires the parallax of making big more.And existing 3 d display device is when the stereo display signal of show making, directly the stereo display signal is handled according to the display mode of screen and shown, and be not depth of field adjustment to parallax.
State in realization in the process that shows the stereo display signal, the inventor finds to exist at least in the prior art following problem:
When the stereo-picture that parallax is big is directly play, can exceed the comfort standard that human eye can normal viewing on the less display unit of size, make that dizziness appears in the beholder, phenomenon such as feel sick because of parallax.In addition, the stereo-picture that parallax is less is relatively directly play constantly on larger-size display unit, does not give full play to the advantage that the big display unit of size can embody bigger parallax stereo-picture again.
Summary of the invention
Embodiments of the invention provide a kind of stereo display method and device, and the parallax of stereo shows signal detects and accommodation.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of stereo display method comprises:
Reception has the initial views of parallax;
Detect the parallax value of said initial views;
Whether the parallax value of judging said initial views exceeds preset parallax threshold value;
When the parallax value of said initial views exceeded preset parallax threshold value, the parallax value of adjusting said initial views and was used for adjusted view to show to preset parallax threshold value.
A kind of 3 d display device comprises:
Receiving element is used to receive the initial views with parallax;
Detecting unit is used to detect the parallax value of said initial views;
Judging unit is used to judge whether the parallax value of said initial views exceeds preset parallax threshold value;
Performance element is used for when the parallax value of said initial views exceeds preset parallax threshold value, and the parallax value of adjusting said initial views and is used for adjusted view to show to preset parallax threshold value.
A kind of stereo display method and device that the embodiment of the invention provides; Since in this scheme when 3 d display device receives the stereo display signal; With the parallax value that detects the stereo display signal after the stereo display Signal Separation; Parallax value with the stereo display signal compares with preset suitable parallax threshold value of watching then; When the parallax value of stereo display signal exceeded suitable parallax threshold value of watching, the parallax value that will adjust the stereo display signal was used for adjusted stereo display signal to show to suitable parallax threshold value of watching at last.Therefore, as long as the scheme of having taked the embodiment of the invention to provide just can realize the detection and the adjustment of stereo shows signal.Adjusted stereo display signal just more helps the user to be watched; Thereby avoided because of uncomfortable reactions such as the excessive user of causing of parallax are dizzy, nauseating; Also can prevent when the too small stereo display signal of large scale display parallax, can not give full play to the problem that the big display unit of size can embody the advantage of bigger parallax stereo-picture.
Description of drawings
Fig. 1 is the flow chart of the stereo display method in the embodiment of the invention 1;
Fig. 2 is the sketch map of the 3 d display device in the embodiment of the invention 1;
Fig. 3 is the testing process figure of the stereo display method in the embodiment of the invention 2;
Fig. 4 is the flow chart of the stereo display method in the embodiment of the invention 2;
Fig. 5 is the sketch map of the 3 d display device in the embodiment of the invention 2.
Embodiment
Below in conjunction with accompanying drawing a kind of stereo display method of the embodiment of the invention and device are described in detail.
Embodiment 1
The embodiment of the invention provides a kind of stereo display method, and is as shown in Figure 1, comprising:
101, reception has the initial views of parallax, and wherein, the initial views with parallax is the stereo display signal, has comprised the synthetic two paths of signals at least of compression in the stereo display signal.
102, detect the parallax value of said initial views, generally speaking, when detecting, after the signal that needs elder generation that the original compression of stereo display signal is synthesized separates, can draw the parallax value of initial views after the signal after will separating then compares.
Whether the parallax value of 103, judging said initial views exceeds preset parallax threshold value; Described parallax threshold value is numerical value or number range, and said to exceed preset parallax threshold value be to be greater than or less than preset parallax threshold value.Preset parallax threshold value should be suitable parallax value of watching.
104, when the parallax value of said initial views exceeds preset parallax threshold value, the parallax value of adjusting said initial views and is used for adjusted view to show to preset parallax threshold value.
The embodiment of the invention also provides a kind of 3 d display device, and is as shown in Figure 2, comprising: receiving element 21, detecting unit 22, judging unit 23 and performance element 24.
Wherein, receiving element 21 is used to receive the initial views with parallax; Detecting unit 22 is used to detect the parallax value of said initial views; Judging unit 23 is used to judge whether the parallax value of said initial views exceeds preset parallax threshold value; Performance element 24 is used for when the parallax value of said initial views exceeds preset parallax threshold value, and the parallax value of adjusting said initial views and is used for adjusted view to show to preset parallax threshold value.
The concrete implementation that utilizes embodiment of the invention Stereo display device to accomplish video stereo display can repeat no more with reference to realizing among Fig. 1 here.
A kind of stereo display method and device that the embodiment of the invention provides; Since in this scheme when 3 d display device receives the stereo display signal; With the parallax value that detects the stereo display signal after the stereo display Signal Separation; Parallax value with the stereo display signal compares with preset suitable parallax threshold value of watching then; When the parallax value of stereo display signal exceeded suitable parallax threshold value of watching, the parallax value that will adjust the stereo display signal was used for adjusted stereo display signal to show to suitable parallax threshold value of watching at last.Therefore, as long as the scheme of having taked the embodiment of the invention to provide just can realize the detection and the adjustment of stereo shows signal.Adjusted stereo display signal just more helps the user to be watched; Thereby avoided because of uncomfortable reactions such as the excessive user of causing of parallax are dizzy, nauseating; Also can prevent when the too small stereo display signal of large scale display parallax, can not give full play to the problem that the big display unit of size can embody the advantage of bigger parallax stereo-picture.
Embodiment 2
The embodiment of the invention provides a kind of stereo display method, and embodiment of the invention 3 d display device is example with stereoscopic TV (3d TV), and is as shown in Figure 3, comprising:
301, stereoscopic TV receives that the three-dimensional video-frequency source provides comprises the initial views that two-way has the video data of parallax at least;
Wherein, comprising the video data that two-way has parallax at least is the stereo display signal.The stereo display signal can have three-dimensional video-frequency making apparatus (for example stereo camera) to take, and also can be to generate through video production software (software that is for example transferred to the 3d video by the 2d video).In the present embodiment, be example to comprise the synthetic video data of two-way compression in the stereo display signal.
302, detect the parallax value of said initial views;
The concrete realization of step 302 can be as shown in Figure 4, comprising:
401, after stereoscopic TV receives the stereo display signal, become left and right sides two-way to have the signal of parallax information the stereo display Signal Separation that comprised the synthetic video data of two-way compression originally.
402, be scaled to display resolution and the refresh rate measure-alike with the stereoscopic TV actual play.
Generally speaking, stereoscopic TV be that the actual play size is identical with screen size, but sometimes for special needs, when for example carrying out the program browsing of a plurality of channels, the size of actual play then can be less than screen size.
403, through comparing the parallax value that two paths of signals calculates initial views.
Utilize the computing and the disposal ability of stereoscopic TV chip; Two paths of signals is compared; Through extracting the profile information of two width of cloth pictures, and mobile profile information (generally adopting the pixel moving algorithm), the delay inequality between the coincide point found; Thereby the display position that obtains profile information is poor, thereby also just draws the parallax value of initial views.
Whether the parallax value of 303, judging said initial views exceeds preset suitable parallax threshold value of watching;
Described parallax threshold value is numerical value or number range, and said to exceed preset parallax threshold value be to be greater than or less than preset parallax threshold value.Said preset parallax threshold value should be suitable parallax value of watching.Therefore, generally speaking, said parallax threshold value is set according to actual play size and/or viewing distance.Specifically comprise three kinds of modes: set according to the actual play size; Set according to viewing distance; Set according to actual play size and viewing distance.And the actual play size of stereoscopic TV and the fundamental relation of parallax are: said actual play size is big more, and said parallax threshold value is big more; The fundamental relation of viewing distance and parallax is: said viewing distance is big more, and said parallax threshold value is big more.
But three's data relationship can not be used the simple mathematical formulate, so, on the basis of the fundamental relation of above-mentioned parallax and actual play size, viewing distance, can tentatively confirm preset parallax threshold value earlier.Then, in order to reach suitable more purpose of watching, can come the final suitable parallax value of watching of confirming with reference to beholder's subjective sensation and comfort level.Therefore, said preset parallax threshold value can be preset according to actual play size, viewing distance, parallax and the people's of 3 d display device the comfort level and the statistical data of health, and is concrete; Data relationship between this three also need be with reference to the structure of human eye; Through a large amount of tests, set according to most of people's subjective sensation and comfort level, just an empirical value; These empirical values can be stored in stereoscopic TV in advance with the form of list data, supply the user to select to use.
304, when the parallax value of said initial views exceeds preset parallax threshold value, the parallax value of adjusting said initial views and is used for adjusted view to show to preset parallax threshold value.
Concrete method of adjustment can for:
(1) left road signal remains unchanged; Then according to the parallax value of two paths of signals and the parallax threshold value of presetting; Right wing signal with the mathematical algorithm interpolation makes new advances forms the new left and right sides two paths of signals that parallax requires that meets with original left road signal, can realize the adjustment of parallax;
(2) according to preset parallax threshold value, similar with the pixel moving method of above-mentioned detection parallax value, through moving the parallax that left and right sides two-way has parallax signals, also can realize the adjustment of parallax.
Actual play size in abovementioned steps 303, viewing distance can be stored in the stereoscopic TV in advance; The actual play size here is generally the screen size of stereoscopic TV; The viewing distance here is generally the viewing ratio of confirming according to screen size; Therefore; In step 304, the parallax value of the said initial views of described adjustment to preset parallax threshold value with interior is: adjust in the corresponding parallax threshold value of parallax value to the actual play size that prestores and/or the viewing distance of said initial views.Like this, need not the user and get involved, just realized automatic parallax adjustment.
In addition, also can the actual play size in the abovementioned steps 303, viewing distance be stored in the stereoscopic TV with the form of tabulation in advance.When adjusting parallax, the user can select corresponding broadcast size and viewing distance from tabulate, or manually imports viewing distance or actual play size by the user, broadcast size or viewing distance that the automatic selection of stereoscopic TV matches.Therefore, in step 304, the parallax value of the said initial views of described adjustment to preset parallax threshold value with interior is: receive actual play size and/or viewing distance that the user sets; In the corresponding parallax threshold value of actual play size that the parallax value of adjusting said initial views is set to said user and/or viewing distance.Like this, through interactive mode easily, just realized the rapid adjustment of parallax.
The embodiment of the invention also provides a kind of 3 d display device, and is as shown in Figure 5, comprising: receiving element 51, detecting unit 52, judging unit 53, performance element 54 and preset unit 55.
Wherein, receiving element 51 receives that the three-dimensional video-frequency sources provide comprises the initial views that two-way has the video data of parallax at least; Detecting unit 52 is used to detect the parallax value of said initial views; Judging unit 53 is used to judge whether the parallax value of said initial views exceeds preset parallax threshold value; Performance element 54 is used for when the parallax value of said initial views exceeds preset parallax threshold value, and the parallax value of adjusting said initial views and is used for adjusted view to show to preset parallax threshold value; Preset unit 55 is used for setting corresponding said parallax threshold value according to actual play size and/or viewing distance.Wherein, preset the definite of parallax threshold value can be with reference to the setting of the stereo display method in the embodiment of the invention.
As shown in Figure 5, detecting unit 52 comprises: separation module 521, the second adjusting modules 522, computing module 523.Wherein, separation module 521 is used for said initial views is divided into the two-way signal; Second adjusting module 522, resolution and the refresh rate that is used to adjust said initial views to measure-alike display resolution and the refresh rate of actual play; Computing module 523 is used for through comparing the parallax value that two paths of signals calculates initial views.
As shown in Figure 5, performance element 54 comprises: receiver module 541 is used to receive actual play size and/or the viewing distance that the user sets; First adjusting module 542 is used to adjust in the corresponding parallax threshold value of parallax value to the actual play size that prestores and/or the viewing distance of said initial views; In the corresponding parallax threshold value of actual play size that the parallax value that first adjusting module 542 also is used to adjust said initial views is set to said user and/or viewing distance.
As shown in Figure 5, preset unit 55 also comprises: first presetting module 551 and second presetting module 552.Wherein, first presetting module 551 is used for tentatively confirming the parallax threshold range according to actual play size and/or viewing distance; Second presetting module 552 is used to combine parallax and people's the comfort level and the statistical data of health, confirms said parallax threshold value according to said parallax threshold range.
The scheme that the scheme of embodiment of the invention 3 d display device can adopt the embodiment stereo display method to provide repeats no more.
The embodiment of the invention is applicable to stereoscopic TV, three-dimensional cinema equipment, stereoprojection equipment etc.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by said protection range with claim.
Claims (10)
1. a stereo display method is characterized in that, comprising:
Reception has the initial views of parallax;
Detect the parallax value of said initial views;
Whether the parallax value of judging said initial views exceeds preset parallax threshold value;
When the parallax value of said initial views exceeded preset parallax threshold value, the parallax value of adjusting said initial views and was used for adjusted view to show to preset parallax threshold value.
2. stereo display method according to claim 1 is characterized in that, has in said reception before the initial views of parallax, also comprises:
Set corresponding said parallax threshold value according to actual play size and/or viewing distance;
Wherein, said actual play size is big more, and said parallax threshold value is big more; Said viewing distance is big more, and said parallax threshold value is big more.
3. stereo display method according to claim 2 is characterized in that, saidly sets corresponding said parallax threshold value according to actual play size and/or viewing distance and comprises:
Tentatively confirm the parallax threshold range according to actual play size and/or viewing distance;
In conjunction with parallax and people's the comfort level and the statistical data of health, confirm said parallax threshold value according to said parallax threshold range.
4. according to claim 2 or 3 described stereo display methods, it is characterized in that the parallax value of the said initial views of said adjustment comprises to preset parallax threshold value:
Adjust in the corresponding parallax threshold value of parallax value to the actual play size that prestores and/or the viewing distance of said initial views;
Perhaps,
The parallax value of the said initial views of said adjustment comprises to preset parallax threshold value:
Receive actual play size and/or viewing distance that the user sets;
In the corresponding parallax threshold value of actual play size that the parallax value of adjusting said initial views is set to said user and/or viewing distance.
5. according to claim 2 or 3 described stereo display methods, it is characterized in that the parallax value of the said initial views of said detection is:
Said initial views is divided into left and right two-way signal;
Adjust the resolution and refresh rate to the measure-alike resolution and the refresh rate of said actual play of said initial views;
Through comparing the parallax value that two paths of signals calculates initial views.
6. a 3 d display device is characterized in that, comprising:
Receiving element is used to receive the initial views with parallax;
Detecting unit is used to detect the parallax value of said initial views;
Judging unit is used to judge whether the parallax value of said initial views exceeds preset parallax threshold value;
Performance element is used for when the parallax value of said initial views exceeds preset parallax threshold value, and the parallax value of adjusting said initial views and is used for adjusted view to show to preset parallax threshold value.
7. 3 d display device according to claim 6 is characterized in that, also comprises:
Preset unit is used for setting corresponding said parallax threshold value according to actual play size and/or viewing distance.
8. 3 d display device according to claim 7 is characterized in that, said preset unit also comprises:
First presetting module: tentatively confirm the parallax threshold range according to actual play size and/or viewing distance;
Second presetting module: combine parallax and people's the comfort level and the statistical data of health, confirm said parallax threshold value according to said parallax threshold range.
9. according to claim 7 or 8 described 3 d display devices, it is characterized in that said performance element comprises:
Receiver module is used to receive actual play size and/or the viewing distance that the user sets;
First adjusting module is used to adjust in the corresponding parallax threshold value of parallax value to the actual play size that prestores and/or the viewing distance of said initial views; In the corresponding parallax threshold value of actual play size that the parallax value that said first adjusting module also is used to adjust said initial views is set to said user and/or viewing distance.
10. according to claim 7 or 8 described 3 d display devices, it is characterized in that said detecting unit comprises:
Separation module is used for said initial views is divided into left and right two-way signal;
Second adjusting module, resolution and the refresh rate that is used to adjust said initial views to measure-alike display resolution and the refresh rate of actual play;
Computing module is used for through comparing the parallax value that two paths of signals calculates initial views.
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| CN2011100770205A CN102724521A (en) | 2011-03-29 | 2011-03-29 | Method and apparatus for stereoscopic display |
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| CN103634586A (en) * | 2013-11-26 | 2014-03-12 | 深圳市唯特视科技有限公司 | Stereo-image acquiring method and device |
| CN104065942A (en) * | 2013-03-14 | 2014-09-24 | 英特尔公司 | Techniques To Improve Viewing Comfort For Three-dimensional Content |
| CN105847783A (en) * | 2016-05-17 | 2016-08-10 | 武汉鸿瑞达信息技术有限公司 | 3D video display and interaction method based on stream media and device |
| CN105872517A (en) * | 2015-12-28 | 2016-08-17 | 乐视致新电子科技（天津）有限公司 | Method and device for adjusting parallax through virtual reality |
| CN105898280A (en) * | 2015-12-28 | 2016-08-24 | 乐视致新电子科技（天津）有限公司 | Stereoscopic film source play optimization method and device |
| CN106441415A (en) * | 2016-09-22 | 2017-02-22 | 江铃汽车股份有限公司 | Method for checking parallax of vehicle instrument |
| CN107710756A (en) * | 2015-06-24 | 2018-02-16 | 索尼奥林巴斯医疗解决方案公司 | Medical stereovision device, medical stereovision method and program |
| WO2018188297A1 (en) * | 2017-04-12 | 2018-10-18 | 中兴通讯股份有限公司 | Identification method and device for three-dimensionally displayed picture |
| CN109525830A (en) * | 2018-11-28 | 2019-03-26 | 浙江未来技术研究院(嘉兴) | A kind of dimensional video collecting system |
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| CN103024591B (en) * | 2012-12-26 | 2017-11-10 | 新奥特（北京）视频技术有限公司 | A kind of adjusting method and device of 3D parallaxes |
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| CN109564382A (en) * | 2016-08-29 | 2019-04-02 | 株式会社日立制作所 | Filming apparatus and image pickup method |
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| CN106441415A (en) * | 2016-09-22 | 2017-02-22 | 江铃汽车股份有限公司 | Method for checking parallax of vehicle instrument |
| CN106441415B (en) * | 2016-09-22 | 2019-07-09 | 江铃汽车股份有限公司 | A kind of check method of vehicular meter parallax |
| WO2018188297A1 (en) * | 2017-04-12 | 2018-10-18 | 中兴通讯股份有限公司 | Identification method and device for three-dimensionally displayed picture |
| CN109525830A (en) * | 2018-11-28 | 2019-03-26 | 浙江未来技术研究院(嘉兴) | A kind of dimensional video collecting system |
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Application publication date: 20121010 |