CN103826114B - Stereo display method and free stereo display apparatus - Google Patents
Stereo display method and free stereo display apparatus Download PDFInfo
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- CN103826114B CN103826114B CN201310574463.4A CN201310574463A CN103826114B CN 103826114 B CN103826114 B CN 103826114B CN 201310574463 A CN201310574463 A CN 201310574463A CN 103826114 B CN103826114 B CN 103826114B
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Abstract
The invention provides a stereo display method and a free stereo display apparatus. The method which is applied to the free stereo display apparatus comprises obtaining N viewpoint stereo image based on a video image, N being an integer equal to or larger than 2; obtaining N character graphs; rendering the N character graphs based on the image coding mode of the free stereo display apparatus to obtain N viewpoint stereo character graphs; and displaying the N viewpoint stereo character graphs on corresponding positions of the N viewpoint stereo image.
Description
Technical field
Display technology field of the present invention, more particularly to a kind of stereo display method and auto-stereoscopic display device.
Background technology
At present, auto-stereoscopic display device has obtained larger development, steps into commercial display market, and towards domestic
Display direction develops.These 3 d display devices provide the user with three by playing 2D video images or 2 viewpoint 3D video images
Dimension stereoscopic vision impression.These 2D video images or 2 viewpoint 3D video images greatly all carry captions, in these captions
Image frame is embedded in, because captions are during 2D turns multiple views 3D or 2 viewpoints 3D turn multiple views 3D, free stereo algorithm is normal
Normal obscuring subtitle characters and video image background, therefore be easy in the three-dimensional depth of calculating image frame, in captions
There is erroneous judgement with the edge of image background, so as to cause the depth of field distortion of captions and the edge of image background, picture to go out current situation
Portion's twisted phenomena, has a strong impact on the viewing effect of user.
Therefore, there is captions and video image marginal distortion in prior art, the technical problem for causing picture to distort.
The content of the invention
The embodiment of the present invention provides a kind of stereo display method and auto-stereoscopic display device, to solve prior art in
The captions of presence and video image marginal distortion, the technical problem for causing picture to distort.
One aspect of the present invention provides a kind of stereo display method, is applied to an auto-stereoscopic display device, methods described
Including：N viewpoint stereo-pictures are obtained based on video image, N is the integer more than or equal to 2；Obtain N width character graphics；According to institute
The picture coding mode of auto-stereoscopic display device is stated, the N width character graphics is rendered, N viewpoints solid character graphics is obtained；Will
The N viewpoints solid character is graphically displayed on the relevant position of the N viewpoints stereo-picture.
Another aspect of the present invention additionally provides a kind of electronic equipment, including：Multi-viewpoint stereo image rendering module, for base
N viewpoint stereo-pictures are obtained in video image, N is the integer more than or equal to 2；Character graphics drafting module, for obtaining N width words
Symbol figure；Multiple views character graphics rendering module, for according to the picture coding mode of the auto-stereoscopic display device, rendering
The N width character graphics, obtains N viewpoints solid character graphics；Display module, for N viewpoints solid character graphics to be shown
Show on the relevant position of the N viewpoints stereo-picture.
One or more technical schemes provided in the embodiment of the present invention, at least have the following technical effect that or advantage：
The stereo display method for providing in an embodiment of the present invention, based on video image N viewpoint stereo-pictures, N are obtained
It is the integer more than or equal to 2；Obtain N width character graphics；According to the picture coding mode of the auto-stereoscopic display device, render
The N width character graphics, obtains N viewpoints solid character graphics；N viewpoints solid character is graphically displayed at into the N viewpoints
On the relevant position of stereo-picture.That is, in the present embodiment, captions are separated with video image, is respectively processed, so
The problem of captions marginal distortion can be avoided the occurrence of.
Description of the drawings
Fig. 1 is the flow chart of the stereo display method in the embodiment of the application one；
Fig. 2 is the schematic diagram to white space filling in the embodiment of the application one；
Fig. 3 is the functional block diagram of the auto-stereoscopic display device in one embodiment of the invention.
Specific embodiment
The embodiment of the present invention provides a kind of stereo display method and auto-stereoscopic display device, to solve prior art in
The captions of presence and video image marginal distortion, the technical problem for causing picture to distort.
Technical scheme in the embodiment of the present invention is to solve above-mentioned technical problem, and general thought is as follows：
The stereo display method for providing in an embodiment of the present invention, based on video image N viewpoint stereo-pictures, N are obtained
It is the integer more than or equal to 2；Obtain N width character graphics；According to the picture coding mode of the auto-stereoscopic display device, wash with watercolours
The N width character graphics is contaminated, N viewpoints solid character graphics is obtained；N viewpoints solid character is graphically displayed at into the N to regard
On the relevant position of point stereo-picture.That is, in the present embodiment, captions are separated with video image, is respectively processed, institute
So that the problem of captions marginal distortion can be avoided the occurrence of.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail.
The embodiment of the present invention provides a kind of stereo display method, and in being applied to an auto-stereoscopic display device, this freely stands
Body display device is specifically e.g. capable of the television set of Auto-stereo display, liquid crystal display, or other being capable of free stereo
The electronic equipment of display.
Fig. 1 is refer to, the stereo display method in the present embodiment is next introduced, the method includes：
Step 101：N viewpoint stereo-pictures are obtained based on video image, N is the integer more than or equal to 2；
Step 102：Obtain N width character graphics；
Step 103：According to the picture coding mode of auto-stereoscopic display device, N width character graphics is rendered, obtain N viewpoints
Three-dimensional character graphics；
Step 104：N viewpoints solid character is graphically displayed on the relevant position of N viewpoint stereo-pictures.
Wherein, the execution sequence of step 101 and step 102 to step 103 can change, for example first carry out step 102 to
Step 103, then execution step 101, it is also possible to as shown in figure 1, step 101 is first carried out, then execution step 102 is to step 103, or
Person can also perform simultaneously.
Wherein, in practice, video image is probably 2D video images or 2 viewpoint 3D video images.Further, exist
Independent subtitle file may be included in video file, it is also possible to which, not comprising independent subtitle file, captions are and image frame
Combine together.And according to there is independent subtitle file and the reality without independent subtitle file, step 101 and step 102
Apply process slightly different, below a point situation is introduced.
In the first scenario, video file includes independent subtitle file, then step 101 is specially：Obtain video
The depth information of image；According to depth information and video image, carry out according to the picture coding mode of auto-stereoscopic display device
Render, obtain N viewpoint stereo-pictures.Video image herein can be 2D video images or 2 viewpoint 3D video images.
Further, step 102 is specifically included：Subtitle file based on video image obtains a character graphics；Based on character
Graph copying goes out N-1 width character graphics, obtains N width character graphics, wherein, the displacement of adjacent two width character graphics is first
Move, for example, replicated in the horizontal direction, the first displacement is horizontal displacement.Specifically, can be based on the font for arranging
And/or the captioned test in subtitle file is converted into character graphics by font size, the font and/or font size of the setting can
Being the default value of system, or arranged by user, certainly it is also conceivable to other specification, these parameter art technologies
Can be selected according to actual needs.
Further, in that case, the first displacement can be arranged or be used default value, the first displacement by user
Affect captions go out screen or enter screen stereoeffect degree, when the first displacement value more than zero and it is bigger when, captions go out screen
Degree is bigger, and when the value of the first displacement is less than zero and during bigger absolute value, captions enter that screen degree is bigger, when the value of the first displacement
When being zero, captions are 2D display effects.Therefore, it can very easily obtain different Subtitle Demonstration effects.
In the latter case, video file does not include independent subtitle file, then before step 102, the method
Also include：Obtain the subtitle characters edge pattern on video image, it is concrete e.g. by canny edge detection algorithms or other
Edge detection algorithm is arranged the i-th row jth of current frame image A to the boxed area of the i-th+x row jth+y row and carries out rim detection,
Because captions color is larger with the color distortion of background image, it is easier to obtain subtitle characters edge pattern, wherein, detection zone
Scope can be set by the user, and arranging rational scope can improve the efficiency of detection algorithm.In this case, video image
Can be 2D video images or 2 viewpoint 3D video images, only for 2D video images for, side is carried out to current frame image A
After edge detection, acquisition is one group of subtitle characters edge pattern, and for 2 viewpoint 3D video images, after being detected, is obtained
Must be two groups of subtitle characters edge patterns.After performing the step, the current frame image for removing subtitle characters edge pattern has one
White space.
When detection gets subtitle characters edge pattern, step 102 is carried out, is specifically included：Based on video image
Subtitle characters edge pattern obtain a character graphics；N-1 width character graphics is copied based on character graphics, N width characters are obtained
Figure, wherein, the displacement of adjacent two width character graphics is the first displacement, for example, replicated in the horizontal direction, the first displacement
For horizontal displacement.Specifically, in a step 102, a character figure is obtained based on the subtitle characters edge pattern on video image
As being specially：Subtitle characters edge pattern is filled to obtain character graphics.
In case of the present embodiment, the first displacement is slightly different according to video image difference, when video image is 2D
During image, the value of the first displacement specifically can be lacked as described in the previous case, arranged by user or using system
Province is worth；And when video image is 2 viewpoint 3D rendering, in addition to it can use such as the method value described in the previous case,
Can also be the parallax value that subtitle characters edge pattern is obtained from 2 viewpoint 3D video images；Determine first according to parallax value
Move, it is generally the case that the first displacement is consistent with the parallax value, such as identical.
Further, in the case of second the step of 101, specifically includes：To eliminating subtitle characters edge graph on video image
The white space of shape is filled, the video image after being processed；The depth information of the video image after acquisition process；To locate
Image on the basis of video image after reason, according to depth information, is carried out according to the picture coding mode of auto-stereoscopic display device
Render, obtain N viewpoint stereo-pictures.
A kind of feasible fill method introduced below, the rule of assignment filling is as follows：
1., with behavior unit, the pixel of character edge is in successively at process in every a line；When a rows
When the pixel of b row is in certain character edge of row, the pixel that a rows b is arranged gives new value, wherein k1, k2, k3, k4 is the weight coefficient less than or equal to 1.Concrete
During enforcement, as shown in Fig. 2 when the neighbor of the pixel of a rows b row is picture material, the corresponding weight coefficient of the pixel
For 1；In closed contour of the neighbor of the pixel of a rows b row in certain character edge or edge composition of row, should
The corresponding weight coefficient of pixel is 0.
2., with behavior unit, the pixel in 1 location of pixels of neighbouring character edge in per a line is carried out successively
Assignment；
3., with behavior unit, the pixel in 2 location of pixels of neighbouring character edge in per a line is carried out successively
Assignment；
Repeat above procedure, the pixel assignment filling again of white space whole.In other embodiments, can also be with standing up
Fill rule is filled, as long as white space is filled, so can avoid carrying carrying out depth to video image
Depth distortion is produced when taking in captions edge.For following convenient description, the NULI character content after being filled here
Video image is referred to as current frame image B.
Then the depth information of current frame image B, and the image on the basis of current frame image B are obtained, according to the depth for obtaining
Degree information, is rendered according to the picture coding mode of auto-stereoscopic display device, obtains N viewpoint stereo-pictures.
Regardless of situation, after N width character graphics is obtained, step 103 is carried out, i.e., is filled according to Auto-stereo display
The picture coding mode put, renders N width character graphics, obtains N viewpoints solid character graphics.Wherein, in this step, character figure
The depth of shape can be provided by system and can also arranged by user.
Next execution step 104, will N viewpoints solid character be graphically displayed at the relevant position of N viewpoint stereo-pictures
On.In practice, step 104 also has numerous embodiments, and corresponding to aforementioned the first situation, step 104 specifically can be with
Including：N viewpoints solid character picture is added to into transparent OSD layers, the position of the OSD layers arranged according to time shafts and user
Put, and by the OSD stackings plus show on the N viewpoint stereo-pictures for obtaining in a step 101, so as to realize in stereoscopic video images
It is middle to show three-dimensional captions.Wherein time shafts are generally comprised within subtitle file.
And aforementioned second situation is corresponded to, step 104 is specifically included：N viewpoints solid character graphics is added to transparent
OSD layers, and OSD stacking is added on the correspondence position of N viewpoint stereo-picture layers, the correspondence position specifically can by with
Lower step determines：
Needed for the full screen resolution of the display of the resolution extension of calculating benchmark image to auto-stereoscopic display device
Horizontal resolution extends ratio and vertical resolution expansion ratio；
Ratio and vertical resolution expansion ratio are extended to subtitle characters edge pattern in video figure according to horizontal resolution
The first coordinate position as in is adjusted, and obtains the second coordinate position, and the second coordinate position is the relevant position.
The resolution of such as benchmark image is 600 × 800（Respectively vertical resolution and horizontal resolution, following resolutions
The format write of rate is identical with this）, the full screen resolution 900 × 1200 of display, the first coordinate position is, for example, specifically【（100
×200）,（200×600）】, in the present embodiment, the data record of the first coordinate position is diagonal two coordinate figure.That
Calculated level resolution extension ratio is 1.5 times, and vertical resolution expansion ratio is 1.5 times, then the second coordinate position is
It is that vertical resolution and horizontal resolution extend respectively 1.5 times on the first coordinate position, then the second coordinate position is
【（150×300）,（300×900）】.
Wherein, when video image is 2D images, benchmark image is specially aforementioned current frame image B, and for video figure
During as being 2 viewpoint 3D rendering, benchmark image is specially the visual point image L of aforementioned current frame image B（Left view dot image）Or regard
Dot image R（Right visual point image）.
Wherein, the first coordinate position can be specifically the raw bits of the captions recorded when subtitle characters edge pattern is obtained
Put.With it, character graphics can be enabled to cover at the original subtitle position being suspended on stereo-picture, so as to reality
The three-dimensional Subtitle Demonstration of present video image.
In practice, step 104 can also be realized by other means, such as by N viewpoints solid character graphics and N
Viewpoint stereo-picture, is rendered according to the picture coding mode of auto-stereoscopic display device, with N viewpoints solid character graphics
Pixel substitutes the pixel on N viewpoint stereo-pictures on relevant position.
By above description as can be seen that in the present embodiment, captions are separated with video image, is respectively processed, institute
So that the problem of captions marginal distortion can be avoided the occurrence of.
Based on same inventive concept, one embodiment of the invention also provides a kind of auto-stereoscopic display device, as shown in figure 3,
The auto-stereoscopic display device includes：Multi-viewpoint stereo image rendering module 201, stands for obtaining N viewpoints based on video image
Body image, N is the integer more than or equal to 2；Character graphics drafting module 202, for obtaining N width character graphics；Multiple views character
Graph rendering module 203, for according to the picture coding mode of auto-stereoscopic display device, rendering N width character graphics, obtains N
Viewpoint solid character graphics；Display module 204, for N viewpoints solid character to be graphically displayed at into the corresponding of N viewpoint stereo-pictures
On position.
In one embodiment, character graphics drafting module 202 is specifically for the subtitle file or video based on video image
Subtitle characters edge pattern on image obtains a character graphics；N-1 width character graphics is copied based on character graphics, N is obtained
Width character graphics, wherein, the displacement of adjacent two width character graphics is the first displacement.
In another embodiment, it is many when a character graphics is obtained based on the subtitle characters edge pattern on video image
Viewpoint stereo-picture rendering module 201 enters specifically for the white space to eliminating subtitle characters edge pattern on video image
Row filling, the video image after being processed；The depth information of the video image after acquisition process；And with the video after process
Image on the basis of image, according to depth information, is rendered according to the picture coding mode of auto-stereoscopic display device, obtains N
Viewpoint stereo-picture.
Further, character graphics drafting module 202 to subtitle characters edge pattern specifically for being filled to obtain word
Symbol figure.
In another embodiment, when video image is 2 viewpoint 3D video image, character graphics drafting module 202 is concrete
It is additionally operable to obtain the parallax value of subtitle characters edge pattern from 2 viewpoint 3D video images；First displacement is determined according to parallax value.
Further, when a character graphics is obtained based on the subtitle characters edge pattern on video image, also include：Regard more
Point character figure locating module, for the resolution extension to auto-stereoscopic display device of calculating benchmark image display it is complete
Horizontal resolution extension ratio and vertical resolution expansion ratio needed for screen resolution；According to horizontal resolution extend ratio and
First coordinate position of the vertical resolution expansion ratio to subtitle characters edge pattern in video image is adjusted, and obtains the
Two coordinate positions, the second coordinate position is relevant position.
In one embodiment, when the subtitle file based on video image obtains a character graphics, multi-viewpoint stereo image
Depth information of the rendering module 201 specifically for acquisition video image；According to depth information and video image, according to free stereo
The picture coding mode of display device is rendered, and obtains N viewpoint stereo-pictures.
In another embodiment, character graphics drafting module 202 is specifically for based on the font and/or font size for arranging
Captioned test in subtitle file is converted into into character graphics.
The various change mode in stereo display method and instantiation in aforementioned Fig. 1 embodiments is equally applicable to this reality
The auto-stereoscopic display device of example is applied, by the aforementioned detailed description to stereo display method, those skilled in the art can be clear
The implementation for knowing auto-stereoscopic display device in the present embodiment of Chu, so succinct for description, here is no longer detailed
State.
One or more technical schemes provided in the embodiment of the present invention, at least have the following technical effect that or advantage：
The stereo display method for providing in an embodiment of the present invention, based on video image N viewpoint stereo-pictures, N are obtained
It is the integer more than or equal to 2；Obtain N width character graphics；According to the picture coding mode of the auto-stereoscopic display device, wash with watercolours
The N width character graphics is contaminated, N viewpoints solid character graphics is obtained；N viewpoints solid character is graphically displayed at into the N to regard
On the relevant position of point stereo-picture.That is, in the present embodiment, captions are separated with video image, is respectively processed, institute
So that the problem of captions marginal distortion can be avoided the occurrence of.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or with reference to the reality in terms of software and hardware
Apply the form of example.And, the present invention can be adopted and wherein include the computer of computer usable program code at one or more
Usable storage medium（Including but not limited to disk memory and optical memory etc.）The shape of the computer program of upper enforcement
Formula.
The present invention is with reference to method according to embodiments of the present invention, equipment（System）And the flow process of computer program
Figure and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or each stream in block diagram
The combination of journey and/or square frame and flow chart and/or the flow process in block diagram and/or square frame.These computer programs can be provided
The processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of specifying in present one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory is produced to be included referring to
Make the manufacture of device, the command device realize in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The function of specifying in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented process, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow process of flow chart or multiple flow processs and/or block diagram one
The step of function of specifying in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of stereo display method, is applied to an auto-stereoscopic display device, it is characterised in that methods described includes：
N viewpoint stereo-pictures are obtained based on video image, N is the integer more than or equal to 2；
Obtain the subtitle characters edge pattern on the video image；
N width character graphics is obtained based on the subtitle characters edge pattern；
According to the picture coding mode of the auto-stereoscopic display device, the N width character graphics is rendered, obtain N viewpoints three-dimensional
Character graphics；
N viewpoints solid character is graphically displayed on the relevant position of the N viewpoints stereo-picture；
Wherein, it is described that N width character graphics is obtained based on the subtitle characters edge pattern, specifically include：
One character graphics is obtained based on the subtitle characters edge pattern；
N-1 width character graphics is copied based on the character graphics, the N width character graphics is obtained, wherein, adjacent two width character
The displacement of figure is the first displacement.
2. the method for claim 1, it is characterised in that described that N viewpoint stereo-pictures, bag are obtained based on video image
Include：
White space to eliminating the subtitle characters edge pattern on the video image is filled, after being processed
Video image；
Obtain the depth information of the video image after the process；
The image on the basis of the video image after the process, according to the depth information, fills according to the Auto-stereo display
The picture coding mode put is rendered, and obtains the N viewpoints stereo-picture.
3. method as claimed in claim 1 or 2, it is characterised in that described to obtain based on the subtitle characters edge pattern
Character graphics, specially：
The subtitle characters edge pattern is filled to obtain the character graphics.
4. method as claimed in claim 1 or 2, it is characterised in that when the video image is 2 viewpoint 3D video image,
Determine first displacement by following steps：
The parallax value of the subtitle characters edge pattern is obtained from the 2 viewpoint 3D video image；
First displacement is determined according to the parallax value.
5. the method for claim 1, it is characterised in that determine the relevant position by following steps：
Needed for the full screen resolution of the resolution extension of calculating benchmark image to the display of the auto-stereoscopic display device
Horizontal resolution extends ratio and vertical resolution expansion ratio；
Ratio and the vertical resolution expansion ratio are extended to the subtitle characters edge pattern according to the horizontal resolution
The first coordinate position in the video image is adjusted, and obtains the second coordinate position, and second coordinate position is institute
State relevant position.
6. a kind of auto-stereoscopic display device, it is characterised in that include：
Multi-viewpoint stereo image rendering module, for obtaining N viewpoint stereo-pictures based on video image, N is whole more than or equal to 2
Number；
Character graphics drafting module, for obtaining the subtitle characters edge pattern on the video image, and based on the word
Curtain character edge figure obtains N width character graphics；
Multiple views character graphics rendering module, for according to the picture coding mode of the auto-stereoscopic display device, rendering institute
N width character graphics is stated, N viewpoints solid character graphics is obtained；
Display module, for N viewpoints solid character to be graphically displayed at the relevant position of the N viewpoints stereo-picture；
Wherein, the character graphics drafting module obtains a character graphics specifically for being based on the subtitle characters edge pattern,
And N-1 width character graphics is copied based on the character graphics, the N width character graphics is obtained, wherein, adjacent two width character
The displacement of figure is the first displacement.
7. auto-stereoscopic display device as claimed in claim 6, it is characterised in that multi-viewpoint stereo image rendering module is concrete
For being filled to the white space that the subtitle characters edge pattern is eliminated on the video image, after being processed
Video image；Obtain the depth information of the video image after the process；And schemed on the basis of the video image after the process
Picture, according to the depth information, is rendered according to the picture coding mode of the auto-stereoscopic display device, obtains the N
Viewpoint stereo-picture.
8. auto-stereoscopic display device as claimed in claim 6, it is characterised in that the character graphics drafting module is specifically used
In being filled to obtain the character graphics to the subtitle characters edge pattern.
9. auto-stereoscopic display device as claimed in claim 6, it is characterised in that when the video image is regarded for 2 viewpoints 3D
During frequency image, the character graphics drafting module is specifically additionally operable to from the 2 viewpoint 3D video image obtain the captions word
The parallax value of symbol edge pattern；First displacement is determined according to the parallax value.
10. auto-stereoscopic display device as claimed in claim 6, it is characterised in that also include：
Multiple views character graphics locating module, for calculating benchmark image resolution extension to the auto-stereoscopic display device
Display full screen resolution needed for horizontal resolution extension ratio and vertical resolution expansion ratio；According to the level
Resolution extension ratio and the vertical resolution expansion ratio are to the subtitle characters edge pattern in the video image
The first coordinate position be adjusted, obtain the second coordinate position, second coordinate position be the relevant position.
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| US10368144B2 (en) | 2014-07-29 | 2019-07-30 | Lg Electronics Inc. | Method and device for transmitting and receiving broadcast signal |
| CN104683785B (en) * | 2015-02-06 | 2017-02-22 | 四川长虹电器股份有限公司 | Real-time 3D (3-Dimensional) character inserting and playing method based on naked-eye 3D technology |
| CN107613405B (en) * | 2017-09-30 | 2019-12-27 | 福州瑞芯微电子股份有限公司 | VR video subtitle display method and device |
| CN117529911A (en) * | 2022-06-01 | 2024-02-06 | 京东方科技集团股份有限公司 | Display method and device |
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| CN102202224A (en) * | 2011-06-22 | 2011-09-28 | 清华大学 | Caption flutter-free method and apparatus used for plane video stereo transition |
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