CN105898267A - Lens-free stereoscopic video processing method - Google Patents
Lens-free stereoscopic video processing method Download PDFInfo
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- CN105898267A CN105898267A CN201510825318.8A CN201510825318A CN105898267A CN 105898267 A CN105898267 A CN 105898267A CN 201510825318 A CN201510825318 A CN 201510825318A CN 105898267 A CN105898267 A CN 105898267A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/139—Format conversion, e.g. of frame-rate or size
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/156—Mixing image signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/161—Encoding, multiplexing or demultiplexing different image signal components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/172—Processing image signals image signals comprising non-image signal components, e.g. headers or format information
- H04N13/183—On-screen display [OSD] information, e.g. subtitles or menus
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Processing Or Creating Images (AREA)
Abstract
The invention provides a lens-free stereoscopic video processing method. A user only needs to import the video of each disparity map in step a and sets encoding parameters according to needs. A system automatically completes remaining processes. The system determines a splicing manner, the resolution of each video and the like according to the number of videos and total resolution, so as to realize zoom, overlay, splicing and other operations. Finally, the multi-grid lens-free stereoscopic video of a target is output through encoding. The content need of commercial advisement player lens-free stereoscopic playback is met. The method has the advantages of simple processing process and short processing time. Subtitle and Logo processing of the lens-free stereoscopic video are comprised. The compatibility of different lens-free stereoscopic advisement players of the processed video is fully considered.
Description
Technical field
The present invention relates to a kind of three-dimensional video-frequency processing method, particularly relate to a kind of without mirror three-dimensional video-frequency processing method.
Background technology
In video technique field, main development trend is to pursue truer to natural scene, clear, three-dimensional feature, and therefore two dimensional surface video has made it can not meet people's demand true and that naturally reproduce to scene in the limitation representing natural scene depth information method.Eyes when observing object, slightly difference, referred to as binocular parallax on object image space on retina of both eyes.Binocular parallax through the fusion of brain visual cortex, allows the depth information of scenery in people's perceptual image so that the image enjoyed has strong depth perception and realism.
At present, have that content is deficient, machine cost high without mirror stereo display product, commercial kitchen area can not be only applicable to the bottleneck such as 2D perfect adaptation.In commercial kitchen area, spectacle 3D since it is desired that the inconvenient operation such as wearing spectacles and there is significant limitation, the appearance three-dimensional without mirror is inexorable trend.The machine of tridimensional advertisement without mirror realizes advertisement operation, is necessary without mirror three-dimensional video-frequency.Duo Gongge (being spliced by each disparity map), multithread multiplexing (multiple track of video are mainly had according to certain mode at present without mirror three-dimensional video-frequency, each track comprises a road disparity map), the splicing of V+D(artwork+depth map) etc. several types, but consider that for commercial advertisement machine the factors such as memory space, bandwidth, hardware computation performance, stereoeffect all use the three-dimensional video-frequency without mirror of many palaces lattice.Process without mirror three-dimensional video-frequency for many palaces lattice, there is presently no and improve and unified method.
Summary of the invention
The present invention proposes a kind of without mirror three-dimensional video-frequency processing method, meets the content requirements that commercial advertisement machine is play without mirror solid.The feature that when the method possesses process, process is simple, the process time is shorter, contains the captions without mirror three-dimensional video-frequency, the process of Logo, considers simultaneously and processes rear video to the different compatibility without mirror tridimensional advertisement machine.
The purpose of the present invention can be achieved through the following technical solutions:
One includes without mirror three-dimensional video-frequency processing method:
A. import the video of each road disparity map, Logo file, subtitle file, audio frequency etc., and treat the parameters such as the resolution of transcoded video, frame per second, code check, coding mode, reference frame number according to the requirement setting of different bore hole 3D advertisement machine；
B. determine the viewpoint number without mirror three-dimensional video-frequency according to the video number of input disparity map, and confirm current connecting method according to the splicing standard of acquiescence in industry, determine the resolution of each road disparity map video simultaneously；
C. video and Logo file, the subtitle file of step a Zhong Ge road disparity map are zoomed in and out according to the resolution determined in step b, and by the logo after scaling and subtitle superposition on the video of each road；
D. according to the connecting method determined in step b, the video of the process Hou Ge road disparity map obtained in step c is spliced;
E. spliced video and the audio file of output in step d are mixed;
F. call audio/video coding storehouse the content in step e is encoded, until end-of-encode.
In described step a, the parameter such as frame per second, code check, resolution, coding mode, reference frame number is set according to qualificationss such as stereo display terminal, bandwidth, user's requests.
In described step b, at present in industry, the owner of tridimensional advertisement without mirror of main flow to have the grating of the viewpoints such as 4,5,8,9, the mode of splicing is to improve lateral resolution to greatest extent as target (although the mode of this splicing is the most formally formulated to standard, but without giving tacit consent to the most general connecting method standard in mirror solid industry).Various viewpoint connecting method figures are shown in Fig. 1-4 of accompanying drawing.
In described step b, according to viewpoint number n, total resolution W*H and connecting method (horizontal x, longitudinal y), obtain resolution w*h of each road anaglyph.W=W/x, h=H/y.
In described step c, in order to realize the stereoeffect of logo and captions, set difference by each road captions horizontal offset in the video of each road and realize parallax.Computational methods are as follows:
It is D that video image object to be converted protrudes most the distance of stereoscopic display devicexTime, the horizontal offset that must treat converting objects is set to pixel.Wherein, pupil of both eyes distance, D for adult are that beholder stands in the distance from stereoscopic display device, M is the horizontal resolution (unit picture element) of video.
In described step f, the video after merging in e sends into encoder, calls audio/video coding storehouse and encodes, until output file destination when having encoded.
The above each step is that order performs, the output of preceding step will be as the input of later step, what above step described is all that correct situation can the most to the last export file destination position, performs unsuccessfully if the fault-tolerant processing taked is a certain step, directly exits whole processing procedure.
The present invention uses said method, user to have only in step a and imports the video of each road disparity map, sets coding parameter according to demand, and remaining process is all that system is automatically performed.
Therefore, the method using above-mentioned steps, the present invention has used shirtsleeve operation, the method for short time process to achieve the process without mirror three-dimensional video-frequency of many palaces lattice.
Accompanying drawing explanation
Present invention prize illustrates, wherein by the way of example reference accompanying drawing:
Fig. 1 is 4 viewpoint connecting methods；
Fig. 2 is 5 viewpoint connecting methods；
Fig. 3 is 8 viewpoint connecting methods；
Fig. 4 is 9 viewpoint connecting methods；
Fig. 5 is the schematic flow sheet of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is described further.
As it is shown in figure 5, the detailed process of said method is:
The most common stereo display terminal: the value of frame per second is 23.976,24,25,29.97,30,60fps etc. (a lot of equipment the most do not support to become the pattern of frame per second), the value of code check is 10000-80000Kbps, and the value of resolution is 3840*2160,1920*1080,1280*720 etc.；
If b. output target resolution is 4 viewpoint videos of 3840*2160, then the resolution of each disparity map is 1920*1080；
Although c. left and right road captions, the biggest protrusion of Logo parallax (embedded) effect the most obvious, if but have the sensation of dizziness during the video-see of the excessive final coding output of parallax, the empirical value of parallax is generally 16；
When c. adding captions and Logo to video, captions, the top left co-ordinate of Logo are all relative coordinates, and the initial point of coordinate system is the video upper left corner；
F. audio/video coding calls what code database was carried out, had better not call the most integrated the most a lot of good encoding softwares having interface.
Arbitrary characteristic disclosed in this specification, or disclosed all methods or during step, in addition to mutually exclusive feature and/or step, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be substituted by the alternative features of the similar purpose of other equivalences or tool.I.e., unless specifically stated otherwise, an example during each feature is a series of equivalence or similar characteristics.
The invention is not limited in aforesaid detailed description of the invention.The present invention expands to any new feature disclosed in this manual or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (6)
1. palace lattice more than a kind are without mirror three-dimensional video-frequency processing method, it is characterised in that include
A. import the video of each road disparity map, Logo file, subtitle file, audio frequency etc., and treat the parameters such as the resolution of transcoded video, frame per second, code check, coding mode, reference frame number according to the requirement setting of different bore hole 3D advertisement machine；
B. determine the viewpoint number of bore hole 3D video according to the video number of input disparity map, and confirm current connecting method according to the splicing standard of acquiescence in industry, determine the resolution of each road disparity map video simultaneously；
C. video and Logo file, the subtitle file of step a Zhong Ge road disparity map are zoomed in and out according to the resolution determined in step b, and by the logo after scaling and subtitle superposition on the video of each road；
D. according to the connecting method determined in step b, the video of the process Hou Ge road disparity map obtained in step c is spliced;
E. spliced video and the audio file of output in step d are mixed;
F. call audio/video coding storehouse the content in step e is encoded, until end-of-encode.
A kind of many palaces the most as claimed in claim 1 lattice are without mirror three-dimensional video-frequency processing method, it is characterized in that, in described step a, the parameter such as frame per second, code check, resolution, coding mode, reference frame number is set according to qualificationss such as stereo display terminal, bandwidth, user's requests.
A kind of many palaces the most as claimed in claim 2 lattice are without mirror three-dimensional video-frequency processing method, it is characterized in that, in described step b, at present in industry, the bore hole 3D advertisement machine of main flow mainly has the grating of the viewpoints such as 4,5,8,9, the mode of splicing (although the mode of this splicing is the most formally formulated to standard, but gives tacit consent to the most general connecting method standard) to improve lateral resolution to greatest extent as target in bore hole 3D industry.
4. a kind of without mirror three-dimensional video-frequency processing method, it is characterised in that in described step b, according to viewpoint number n, total resolution W*H and connecting method (horizontal x, longitudinal y), obtain resolution w*h of each road anaglyph, wherein w=W/x, h=H/y.
5. a kind of without mirror three-dimensional video-frequency processing method, it is characterised in that in described step c, set difference by left and right road captions horizontal offset in the video of left and right road and realize parallax, its computational methods are as follows:
It is D that video image object to be converted protrudes most the distance of stereoscopic display devicexTime, the horizontal offset that must treat converting objects is set to pixel, and wherein, pupil of both eyes distance, D for adult are that beholder stands in the distance from stereoscopic display device, M is the horizontal resolution (unit picture element) of video.
6. a kind of without mirror three-dimensional video-frequency processing method, it is characterised in that in described step f, the video after merging in e sends into encoder, calls audio/video coding storehouse and encodes, until output file destination when having encoded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510825318.8A CN105898267A (en) | 2015-11-24 | 2015-11-24 | Lens-free stereoscopic video processing method |
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| CN201510825318.8A CN105898267A (en) | 2015-11-24 | 2015-11-24 | Lens-free stereoscopic video processing method |
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| CN105898267A true CN105898267A (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277487A (en) * | 2017-07-21 | 2017-10-20 | 四川长虹电器股份有限公司 | The many palace lattice method for processing video frequency of bore hole 3D |
| CN110022452A (en) * | 2019-05-16 | 2019-07-16 | 深圳市芯动电子科技有限公司 | A kind of video pumping frame method and system suitable for holographic display |
-
2015
- 2015-11-24 CN CN201510825318.8A patent/CN105898267A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277487A (en) * | 2017-07-21 | 2017-10-20 | 四川长虹电器股份有限公司 | The many palace lattice method for processing video frequency of bore hole 3D |
| CN110022452A (en) * | 2019-05-16 | 2019-07-16 | 深圳市芯动电子科技有限公司 | A kind of video pumping frame method and system suitable for holographic display |
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| C06 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: 221000, Huiyuan Road Plaza, No. 2 Jiefang North Road, Gulou District, Jiangsu, 1, -1-1310, Applicant after: Jiangsu Linyuan dimensional imaging technology Co. Ltd Address before: 11 floor 1125, building 221000, Huiyuan Plaza, Jiefang North Road, Gulou District, Jiangsu, Xuzhou Applicant before: Xuzhou Weilinyuan Culture and Media Co., Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |
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| WD01 | Invention patent application deemed withdrawn after publication |