CN108924539A - 3D video-splicing playback method - Google Patents
3D video-splicing playback method Download PDFInfo
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- 238000000638 solvent extraction Methods 0.000 claims description 10
- 230000001276 controlling effect Effects 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound 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Abstract
The invention discloses a kind of 3D video-splicing playback methods, according to after show multiple display devices of 3D video jointly quantity and arrangement the first visual angle picture of every frame picture of video and the second visual angle picture are split and are rearranged after exported respectively to showing in each corresponding display device, to realize broadcasting of the 3D video on mosaic screen, the 3D display effect of 3D video ensure that.
Description
Technical field
The present invention relates to 3D video display technology field more particularly to a kind of 3D video-splicing playback methods.
Background technique
With the development of science and technology, 3D video comes into people's lives gradually.In mosaic screen practical application, user is past
Toward projection 2D video is more than, 3D video many times can be also played.
Currently, the broadcast mode of 3D includes three kinds of colour cast, polarisation and shutter modes.
Red blue, the red green way of output can be described as being colour cast mode, mainly filter it by red, blue, green three kinds of colors
His color.For example, the different place of double pictures has the ghost image of red blue two kinds of colors when output using red blue glasses.
Red eyeglass can filter the place of blue, and blue eyeglass can filter red place, the picture that such two eyes are seen
Face is just different, thus forms 3D effect.
Polarization method mainly uses polaroid and polaroid glasses to form 3D effect.Cinema screening film or use
The projection that polarization method forms 3D effect is projected using dual-projection equipment, and each projection device launches a picture,
And it is overlapped two pictures on the screen.One layer of orthogonal polaroid is respectively placed before each projection device camera lens,
Likewise, the eyeglass of polaroid glasses is also made of two orthogonal polaroids.The 3D effect of TV also uses similar
Mode, but halved on TV using the resolution ratio of effect that polarization method carries out 3D broadcasting, can only achieve SD
540P picture.
Shutter mode is the broadcast mode of the 3D video of current mainstream.General liquid crystal display is 60HZ, i.e., change per second
60 pictures are changed, and the refreshing frequency of the display equipment of shutter will double, i.e. 120 pictures of display per second, works as liquid crystal display
When curtain plays double pictures, each picture is per second to be needed to show 60 times, for example, 1/120,3/120, show in period of 5/120...
Show left picture, and other periods show right picture.But since eyes have delay to flashing, general picture is per second
Display 24 times or more is difficult to be discovered by eyes, and eyes is caused to can only see ghost image and do not see film flicker.In left and right picture
While alternately displaying, display equipment can transmit signals to shutter glasses, it is allowed to play on or off in the left and right eyeglass of control
It closes, the image information for receiving eyes guarantees that 120 alternatings per second are flashed, while it is respective also to allow each eye to receive
Picture, and then reach brain and form 3D effect.
However, the existing above-mentioned broadcasting side for alternately playing 2D picture can not be directlyed adopt on mosaic screen in the prior art
Formula realizes 3D video playing.
Summary of the invention
To solve the above problems, the present invention provides a kind of 3D video-splicing playback method, satisfaction realizes 3D on mosaic screen
The demand of video playing.
To achieve the above object, a kind of 3D video-splicing playback method of the invention, includes the following steps：
S1, it determines to show the quantity and arrangement of multiple display devices of 3D video jointly, and obtains to be played
The broadcasting resolution ratio of video and video to be played；
S2, it is determined according to quantity and arrangement to the partitioning scheme of every frame picture of video to be played, every frame is drawn
The first visual angle picture and the second visual angle picture in face are split according to partitioning scheme respectively, obtain multiple first visual angles sprite
With multiple second visual angles sprite；
S3, multiple first visual angles sprite is exported into respectively into multiple display devices corresponding display device, and will be more
A second visual angle sprite exports respectively into multiple display devices corresponding display device.
Further, further include：It adjusts video to be played and stays in the position shown on the screens of multiple display devices.
Further, further include the broadcasting resolution ratio that video to be played is scaled, be less than or equal to it more
The summation of the display resolution of a display device.
Further, further include：Control the broadcast state of video to be played in multiple display devices.
Further, the quantity of the first visual angle sprite and the second visual angle sprite is equal in number in multiple display devices
Quantity, partitioning scheme is corresponding to the arrangement of multiple display devices.
Further, the first visual angle picture is identical to corresponding size, the resolution ratio of same picture with the second visual angle picture
Two pictures to be alternately displayed.
Further, in step S3, mutual corresponding first visual angle sprite and the second visual angle sprite alternately display in
In corresponding display device.
Further, the frequency alternately displayed is greater than or equal to 120Hz/s.
Further, all the first visual angle sprite simultaneous displays divided from each frame the first visual angle picture are in each display
On device, all the second visual angle sprite simultaneous displays divided from each frame the second visual angle picture are in each display device.
Further, further include：
S4, left liquid crystal lens, the right liquid crystal lens alternate energisation for controlling shutter type 3 D spectacles make to play the first visual angle picture
It when face, is only capable of watching the screen of multiple display devices by left liquid crystal lens, when playing the second visual angle sprite, is only capable of passing through the right side
Liquid crystal lens watch the screen of multiple display devices.
3D video-splicing playback method of the invention, according to show multiple display devices of 3D video jointly quantity and
Arrangement is split the first visual angle picture of every frame picture of video and the second visual angle picture, exports after rearranging
It is shown on to each corresponding display device, to realize broadcasting of the 3D video on mosaic screen, ensure that the 3D of 3D video is aobvious
Show effect.
Detailed description of the invention
Fig. 1 is the embodiment flow diagram of 3D video-splicing playback method of the invention；
Fig. 2 is the display device connecting method schematic diagram of one embodiment of the present of invention；
Fig. 3 is the result of broadcast schematic diagram that the present invention is shown using the connecting method of Fig. 2.
Specific embodiment
In the following, being further described in conjunction with attached drawing to structure and working principle etc. of the invention.
As shown in Figure 1, a kind of 3D video-splicing playback method of the invention, realizes 3D effect based on active-shutter principle
Broadcasting and viewing.
A kind of 3D video-splicing playback method of the invention, includes the following steps：
S1, it determines to show the quantity and arrangement of multiple display devices of 3D video jointly, and obtains to be played
The broadcasting resolution ratio of video and video to be played.
To show that multiple display devices of 3D video constitute the screen for showing 3D video to be played jointly, obtain
The mode of the quantity of display device can be by pre-entering or by system automatic identification manually.The arrangement mode of display device
Can be single multiple row or multiple rows of multiple row, determine according to actual needs.
Wherein, for showing that total display resolution of the screen of 3D video to be played is differentiated for the display of each display device
The summation of rate.Specifically, each display device be seamless connection, ensure that screen integrality and viewing effect it is good.
Display device can be liquid crystal display, and the screen for showing 3D video to be played is spliced between each liquid crystal display
Curtain, makes the summation of the display resolution of each display device of total display resolution of screen.
In an alternative embodiment of the invention, further include the broadcasting resolution ratio that video to be played is scaled, keep its small
In or equal to multiple display devices display resolution summation.I.e. when the broadcasting resolution ratio of video to be played is greater than screen
Total display resolution when, can in the case where not changing the broadcasting resolution ratio original scale of video to be played, according to
The broadcasting resolution ratio of the scale smaller of total display resolution of the broadcasting resolution ratio and screen of the video of broadcasting video to be played,
It is set to be less than or equal to total display resolution of screen, to guarantee the integrality of picture when video playing.Certainly, when wait broadcast
It, can also be in the broadcasting for not changing video to be played when the broadcasting resolution ratio for the video put is less than total display resolution of screen
In the case where resolution ratio original scale, according to the ratio of total display resolution of the broadcasting resolution ratio and screen of video to be played
The broadcasting resolution ratio for amplifying video to be played makes it be paved with the screen of multiple display device compositions as far as possible.View to be played
The broadcasting resolution ratio of frequency can according to need to be preset by input equipment.
After obtaining video to be played, need to be decoded vision signal to be played, and video file is converted
For the multiple image of yuv format, so that video image to be played is further processed in the next steps.
S2, it is determined according to quantity and arrangement to the partitioning scheme of every frame picture of video to be played, every frame is drawn
The first visual angle picture and the second visual angle picture in face are split according to partitioning scheme respectively, obtain multiple first visual angles sprite
With multiple second visual angles sprite.
In embodiments of the present invention, the first visual angle picture and the second visual angle picture are the size of corresponding same picture, resolution
Identical two pictures to be alternately displayed of rate, are only slightly different in shooting visual angle.The frequency alternately displayed be greater than or
Equal to 120Hz/s, guarantees that picture is coherent without flashing, improve the visual effect of 3D effect, provide good sight for viewer
See experience.
In embodiments of the present invention, the quantity of the first visual angle sprite after segmentation and the quantity of the second visual angle sprite are equal
Equal to the quantity of multiple display devices, partitioning scheme is corresponding to the arrangement of multiple display devices.When multiple display devices
When resolution ratio is identical, the first visual angle picture and the second visual angle picture of every frame picture will not be averagely divided into and multiple displays respectively
The multiple first visual angles sprite and multiple second visual angles sprite of the identical quantity of device.For example, display device is 6 and differentiates
Rate is identical, and display device is spliced in the arrangement of 2 rows 3 column, when the broadcasting resolution ratio of video to be played is equal to screen
Total display resolution when, partitioning scheme be by the first visual angle picture and the second visual angle picture be divided into respectively 2 rows 3 arrange it is big
Small identical 6 the first visual angle sprites and 6 the second visual angle sprites.
S3, multiple first visual angles sprite is exported into respectively into multiple display devices corresponding display device, and will be more
A second visual angle sprite exports respectively into multiple display devices corresponding display device.
In an embodiment of the invention, display dress corresponding with the first visual angle sprite and the second visual angle sprite is determined
The method set can be：Display device is numbered respectively, according to rule identical with display device number respectively to the first visual angle
Sprite and the second visual angle sprite are numbered, and the first visual angle sprite of identical number and the second visual angle sprite is defeated
It is shown out to the display device of reference numeral.
In embodiments of the present invention, mutual corresponding first visual angle sprite and the second visual angle sprite are alternately displayed in right
In the display device answered.The first visual angle sprite of identical number and the second visual angle sprite are alternately displayed respectively in correspondence
In the display device of number, the frequency alternately displayed is greater than or equal to 120Hz/s.And divide from each frame the first visual angle picture
All the first visual angle sprite simultaneous displays in each display device, divide from each frame the second visual angle picture all second
Visual angle sprite simultaneous display is in each display device, to realize all the first visual angle sprites and all the of each frame
Alternately displaying between two visual angle sprites, and ensure that each first visual angle sprite simultaneous display and each second visual angle
The simultaneous display of sprite, i.e. synchronization show the complete first visual angle picture or the second visual angle picture of each frame, protect
Demonstrate,prove the visual effect of 3D effect.
In an alternative embodiment of the invention, 3D video-splicing playback method can also include：Video to be played is adjusted to wait for
The position shown on the screen of multiple display devices.Specifically, the broadcasting coordinate of available video to be played, and control
The broadcasting coordinate position that video to be played is made in screen is shown.When video to be played broadcasting resolution ratio and screen it is total
When display resolution is identical, i.e., settable abscissa X, ordinate Y are 0；When the broadcasting resolution ratio of video to be played is less than screen
When total display resolution of curtain, the numerical value of abscissa X, ordinate Y can be accordingly modified, to guarantee that video to be played is shown
In the center of screen.
In an embodiment of the invention, as shown in Fig. 2, the quantity of display device 3 is 3, and successively connect from left to right
It connects, i.e., screen 4 is spliced to form in such a way that a row three arranges by three display devices 3.Assuming that the display of three display devices 3 is differentiated
Rate is all the same, is 1920*1080, then total display resolution of screen 4 is 5760*1080.When the broadcasting of video to be played
When resolution ratio is identical as total display resolution of screen 4, at this point, the quantity of the first visual angle sprite and the second visual angle sprite
Respectively 3, i.e. the first visual angle picture and the second visual angle picture are averagely cut into 3 pieces from left to right respectively.To display device 3 by
From left to right number consecutively is the first display device, the second display device and third display device, and the first visual angle sprite is by left-hand
Right number consecutively is first the first sprite of visual angle, first the second sprite of visual angle and the first visual angle third sprite, the second view
Number consecutively is second the first sprite of visual angle, second the second sprite of visual angle and the second visual angle third to silver coin picture from left to right
Sprite.First the first sprite of visual angle and second the first sprite of visual angle are exported jointly to showing in the first display device
Show, the broadcasting resolution ratio summation of first the first sprite of visual angle and second the first sprite of visual angle is equal to the first display device and shows
Resolution ratio, and so on, that is, form display effect as shown in Figure 3.At this point, cooperate active shutter type 3 D spectacles again, it can
The video of 3D effect is seen on Mosaic screen.
In an alternative embodiment of the invention, 3D video-splicing playback method further includes：The video to be played is controlled to exist
Broadcast state in the multiple display device.Specifically, the control signal of available video to be played controls to be played
Video broadcast state.For example, available start the control signal such as to play, suspend broadcasting and stop broadcasting, thus to control
Video to be played is made to start, suspend or stop to play.
In embodiments of the present invention, 3D video-splicing playback method provided by the invention can also include：
S4, the left and right liquid crystal lens alternate energisation for controlling shutter type 3 D spectacles, when making to play the first visual angle sprite, only
The screen of multiple display devices can be watched by left liquid crystal lens, when playing the second visual angle sprite, be only capable of through right liquid crystal mirror
Piece watches the screen of multiple display devices.
When in use, it by signal emission device, allows between 3D glasses and screen and realizes precise synchronization.It can replace on screen
The broadcasting for carrying out images of left and right eyes picture, when playing the first visual angle picture, right eyeglass lens is powered, and left eyeglass lens are opened, and right eyeglass lens is closed,
So that viewer is only capable of left eye and sees screen.When playing the second visual angle picture, left eyeglass lens are powered, and viewer is only capable of right eye and sees screen
Curtain, allows images of left and right eyes that the first visual angle picture, the second visual angle picture is respectively seen, to realize 3D stereoscopic effect like this.
More than, schematic description only of the invention, it will be recognized by those skilled in the art that without departing from work of the invention
On the basis of making principle, a variety of improvement can be made to the present invention, this is all belonged to the scope of protection of the present invention.
Claims (10)
1. a kind of 3D video-splicing playback method, which is characterized in that include the following steps：
S1, it determines to show the quantity and arrangement of multiple display devices of 3D video jointly, and obtains video to be played
And the broadcasting resolution ratio of the video to be played；
S2, the partitioning scheme to every frame picture of the video to be played is determined according to the quantity and arrangement, it will be every
The the first visual angle picture and the second visual angle picture of frame picture are split according to the partitioning scheme respectively, obtain multiple first views
Silver coin picture and multiple second visual angles sprite；
S3, the multiple first visual angle sprite is exported into respectively into the multiple display device corresponding display device, and
The multiple second visual angle sprite is exported into respectively into the multiple display device corresponding display device.
2. 3D video-splicing playback method as described in claim 1, which is characterized in that further include：It adjusts described to be played
Video stays in the position shown on the screen of the multiple display device.
3. 3D video-splicing playback method as described in claim 1, which is characterized in that further include be scaled it is described to
The broadcasting resolution ratio of the video of broadcasting makes it be less than or equal to the summation of the display resolution of the multiple display device.
4. 3D video-splicing playback method as described in claim 1, which is characterized in that further include：It controls described to be played
Broadcast state of the video in the multiple display device.
5. 3D video-splicing playback method as described in claim 1, which is characterized in that the quantity of first visual angle sprite
With the quantity equal in number in the multiple display device of the second visual angle sprite, the partitioning scheme and the multiple display
The arrangement of device is corresponding.
6. 3D video-splicing playback method as described in claim 1, which is characterized in that first visual angle picture and described the
Two visual angle pictures are identical two pictures to be alternately displayed of size, resolution ratio to corresponding same picture.
7. 3D video-splicing playback method as described in claim 1, which is characterized in that in step S3, mutual corresponding first
Visual angle sprite and the second visual angle sprite are alternately displayed in the corresponding display device.
8. 3D video-splicing playback method as claimed in claims 6 or 7, which is characterized in that the frequency alternately displayed be greater than or
Equal to 120Hz/s.
9. 3D video-splicing playback method as claimed in claim 7, which is characterized in that divide from each frame the first visual angle picture
Whole the first visual angle sprite simultaneous display in each display device, divide from each frame the second visual angle picture
All the second visual angle sprite simultaneous display is in each display device.
10. 3D video-splicing playback method as claimed in claim 9, which is characterized in that further include：
S4, left liquid crystal lens, the right liquid crystal lens alternate energisation for controlling shutter type 3 D spectacles make to play first visual angle picture
It when face, is only capable of watching the screen of the multiple display device by the left liquid crystal lens, plays second visual angle sprite
When, it is only capable of watching the screen of the multiple display device by the right liquid crystal lens.
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