CN107517373A - A kind of 8K bore holes 3D splicing screen systems based on Android - Google Patents
A kind of 8K bore holes 3D splicing screen systems based on Android Download PDFInfo
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- CN107517373A CN107517373A CN201710741757.XA CN201710741757A CN107517373A CN 107517373 A CN107517373 A CN 107517373A CN 201710741757 A CN201710741757 A CN 201710741757A CN 107517373 A CN107517373 A CN 107517373A
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- bore hole
- android
- bore
- liquid crystal
- bore holes
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
-
- 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
-
- 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
-
- 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
- H04N13/15—Processing image signals for colour aspects of image signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Abstract
The present invention proposes a kind of 8K bore holes 3D splicing screen systems based on Android, and the present invention relates to bore hole 3D display technical field.The relevant information of the connecting method of acquisition 8K bore hole 3D mosaic screens, single screen display resolution and bore hole 3D videos to be played first, then bore hole 3D video informations to be played are input to Android embedded boards, Android embedded boards decode to it afterwards, audio-frequency information is directly output to loudspeaker simultaneously, finally, Android embedded boards carry out closing nomography processing again, and by the content transmission after processing to logic card, conversion signal is transferred to liquid crystal display to logic card again, obtains the correct point-to-point display of bore hole 3D video informations.It is an object of the invention to overcome the deficiencies in the prior art, a kind of 8K bore holes 3D splicing screen systems based on Android are provided, 8K bore holes 3D splicing screen systems can effectively solve the problems such as PC schemes hardware cost height, user's complex operation, stability of a system difference, significantly promote the development of bore hole 3D display technology.
Description
Technical field
The present invention relates to bore hole 3D display technical field, more particularly to a kind of 8K bore hole 3D mosaic screens based on Android
System.
Background technology
Bore hole 3D display technology is need not to wear any auxiliary equipment（Such as 3D glasses, the helmet）In the case of, pass through light
It is unprecedented " high true that the advanced optical technology such as post lens and the bore hole 3D videos film source of particular algorithm can allow spectators to obtain
Degree " visual experience, is a kind of new image display technology.In recent years, bore hole 3D display technology develop rapidly, education, displaying,
The fields such as science, audio-visual and mobile terminal have important application.
However, along with the rapid development of bore hole 3D display technology, people pursue bigger, apparent, more real bore hole
3D display effect, traditional 4K bore hole 3D display technologies can not meet the needs of people.Now, 8K resolution ratio bore hole 3D is spelled
Connect screen to arise at the historic moment, 8K resolution ratio bore hole 3D mosaic screens can well agree with the viewing demand of people.But in the market
8K bore hole 3D mosaic screens all carry out signal transacting and broadcasting using Windows PC modes, and not only cost is high, and user's operation is multiple
It is miscellaneous, and stability of a system extreme difference, it significantly limit the development of 8K bore hole 3D mosaic screen technologies.In order to solve problem above,
A kind of eager non-PC embedded board processing method of needs.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided the Embedded A ndroid plates of non-PC a kind of
Block 8K resolution ratio bore holes 3D splicing screen systems.
In order to achieve the above object, the present invention provides a kind of 8K bore holes 3D splicing screen systems based on Android.The system
Can effectively solve the problems such as PC schemes hardware cost height, user's complex operation, stability of a system difference, fill up 8K resolution ratio
Blank of the bore hole 3D mosaic screens under android system scheme, greatly extend the application neck of 8K bore hole 3D mosaic screen technologies
Domain, significantly promote the development of bore hole 3D display technology.
As described above, realize a kind of 8K bore holes 3D technical schemes for using of splicing screen system based on Android for：
A. the connecting method of 8K bore hole 3D mosaic screens, the display resolution of each bore hole 3D liquid crystal displays and bore hole 3D to be played are obtained
The relevant information of video；
B. bore hole 3D video informations to be played are input to Android embedded boards；
C.Android embedded boards carry out the decoding of bore hole 3D video informations, and audio-frequency information is directly output into loudspeaker；
D.Android embedded boards carry out closing nomography processing again to decoded bore hole 3D video informations, and will processing
Content afterwards is transferred to logic card by LVDS；
E. LVDS viewdata signals are converted to control signal and the row that the liquid crystal-spliced screens of bore hole 3D can identify by logic card
Column signal, and transfer signals to the liquid crystal-spliced screens of 8K bore holes 3D；
F.8K the liquid crystal-spliced screens of bore hole 3D carry out point-to-point display to bore hole 3D video informations.
As further optimization, the connecting method of 8K bore holes 3D mosaic screens described in step a splices for 4*4, each unit
Bore hole 3D liquid crystal displays resolution ratio is 1920*1080, and whole resolution is 7680*4320, as 8K resolution ratio after splicing；It is to be played
Bore hole 3D videos choose 8K resolution video contents, it is such to be advantageous in that with being equal to the content of mosaic screen resolution ratio itself
Displaying is played out, definition has great lifting, and user experience is more preferably.
As further optimization, bore hole 3D video informations to be played are input to Android embedded boards described in step b
The specific workflow of card is：
The first step：Android system initializes；
Second step：Whether the USB interface of android system detection Android embedded boards has USB flash disk insertion；
3rd step：If detecting, USB flash disk inserts, and continues to detect in USB flash disk whether have 8K resolution ratio bore hole 3D video contents.If do not examine
USB flash disk insertion has been measured, then has continued to detect；
4th step：8K resolution ratio bore hole 3D video contents be present if detecting in USB flash disk, android system is read in the video
Hold, complete the work that bore hole 3D video informations to be played are input to Android embedded boards.If being not detected by USB flash disk has phase
Content is answered, then continues to detect.
As further optimization, Android embedded boards described in step c carry out the decoding of bore hole 3D video informations,
And audio-frequency information is directly output to loudspeaker, concrete mode is：Reduction decoding is carried out to encoded bore hole 3D video contents, so
Image progress YUV to the RGB come conversion will be decoded afterwards, and specific conversion regime is：By calling YUV to turn RGB modular converters
The conversion of color space, the rgb image data after being changed are carried out to the image of decoding.It is such be advantageous in that YUV be through
The vision signal of overcompression, it is necessary to be reduced into manageable data signal, i.e. rgb video signal could complete follow-up conjunction
Nomography.
As further optimization, Android embedded boards described in step d are entered to decoded bore hole 3D video informations
Row closes nomography processing again, and the content after processing is transferred into logic card by LVDS, and specific workflow is：
The first step：8K bore holes 3D RGB permutatation is carried out to decoded bore hole 3D video informations；
Second step：A point cutting is carried out etc. according to the concrete structure of mosaic screen to the image after permutatation；
3rd step：Splice the view data of the position relationship conveying well cutting of each single screen in screen system according to 8K bore holes 3D.
The concrete mode of transport picture data is that the logic card of each single screen is transferred to by LVDS in 3rd step.It is such
Be advantageous in that Android embedded boards carry out overall conjunction nomography processing, and and it is non-required increase in each single screen it is embedding
Enter formula board to handle bore hole 3D video informations, more efficient, cost is lower.
As further optimization, LVDS viewdata signals are converted to bore hole 3D liquid crystal and spelled by logic card described in step e
Control signal and the ranks signal that screen can identify are connect, and transfers signals to the liquid crystal-spliced screens of 8K bore holes 3D, specific side
Formula is the LVDS viewdata signals that logic card sends Android embedded boards, and clock signal is entered line shift register and deposited
Storage.Then by viewdata signal, clock signal is converted into control signal and the ranks signal that liquid crystal display can identify.Finally will
Signal is transferred to the liquid crystal-spliced screens of 8K bore holes 3D, and then the MOSFET pipes in control flow work to reach the torsion of control liquid crystal molecule
The purpose of curvature.
As further optimization, the liquid crystal-spliced screen of 8K bore holes 3D described in step f is carried out a little pair to bore hole 3D video informations
Point display, concrete mode are：Each single screen of 8K bore hole 3D mosaic screens receives each signal transmitted by logic card and carried out
The point-to-point display of bore hole 3D video informations, each single screen obtain correct bore hole 3D stereoeffects and shown, so as to overall 8K
Bore hole 3D mosaic screens obtain correct bore hole 3D effect and shown, and then user is experienced bore hole 3D effect.
The beneficial effects of the invention are as follows：The Embedded A ndroid board 8K resolution ratio bore holes 3D splicings of non-PC a kind of are provided
Screen system, the splicing screen system can effectively solve PC schemes hardware cost height, user's complex operation, stability of a system difference etc.
Problem, blank of the 8K resolution ratio bore hole 3D mosaic screens under android system scheme is filled up, has greatly extended 8K bore holes 3D
The application field of mosaic screen technology, significantly promote the development of bore hole 3D display technology.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the 8K bore holes 3D splicing screen systems based on Android of the present invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Patent of the present invention discloses a kind of 8K bore holes 3D splicing screen systems based on Android, embedded by Android
Board is read out to bore hole 3D video informations, decoding, is closed the modes such as nomography processing again, is realized on 8K bore hole 3D mosaic screens
The correct point-to-point display of bore hole 3D video informations.
Fig. 1 is a kind of schematic diagram of the 8K bore holes 3D splicing screen systems based on Android of the present invention.
101 in Fig. 1 be the display point of the connecting method, each unit bore hole 3D liquid crystal displays that obtain 8K bore hole 3D mosaic screens
The relevant information of resolution and bore hole 3D videos to be played.The connecting method of 8K bore hole 3D mosaic screens splices for 4*4, and each unit is naked
Eye 3D liquid crystal displays resolution ratio is 1920*1080, and whole resolution is 7680*4320, as 8K resolution ratio after splicing；To be played
Bore hole 3D videos choose 8K resolution video contents, and such be advantageous in that is entered with the content for being equal to mosaic screen resolution ratio itself
Row plays displaying, and definition has great lifting, and user experience is more preferably；
102 in Fig. 1 be that bore hole 3D video informations to be played are input into Android embedded boards.Specific works therein
Flow is：
The first step：Android system initializes；
Second step：Whether the USB interface of android system detection Android embedded boards has USB flash disk insertion；
3rd step：If detecting, USB flash disk inserts, and continues to detect in USB flash disk whether have 8K resolution ratio bore hole 3D video contents.If do not examine
USB flash disk insertion has been measured, then has continued to detect；
4th step：8K resolution ratio bore hole 3D video contents be present if detecting in USB flash disk, android system is read in the video
Hold, complete the work that bore hole 3D video informations to be played are input to Android embedded boards.If being not detected by USB flash disk has phase
Content is answered, then continues to detect.
In this example, 8K bore holes 3D video contents are stored in the FREE3D files of USB flash disk, Android embedded boards
Card identifies the FREE3D files in USB flash disk first, reads the 8K bore hole 3D video contents in this document folder again afterwards, such good
Be in, using USB flash disk store bore hole 3D video contents it is very convenient, it is simple to operate.
103 in Fig. 1 be the decoding that Android embedded boards carry out bore hole 3D video informations, and audio-frequency information is straight
Connect and be output to loudspeaker.Bore hole 3D video contents are all encoded processing, so needing to regard encoded bore hole 3D herein
Frequency content carries out reduction decoding, then will decode image progress YUV to the RGB come conversion, and specific conversion regime is：Pass through
YUV is called to turn the conversion that RGB modular converters carry out color space to the image of decoding, the rgb image data after being changed.
It is such to be advantageous in that YUV is the vision signal through overcompression, it is necessary to be reduced into manageable data signal, i.e. RGB is regarded
Frequency signal could complete follow-up conjunction nomography；
In this example, the specific formula that YUV turns RGB is：
B=1.164(Y−16)+2.018(U−128)
G=1.164(Y−16)−0.813(V−128)−0.391(U−128)
R=1.164(Y−16)+1.596(V−128)
Wherein, RGB scope is [0,255], and Y scope is [16,235], and UV scope is [16,239].If
Result of calculation is super to go beyond the scope with regard to truncation.
104 in Fig. 1 be that Android embedded boards are closed nomography again to decoded bore hole 3D video informations
Processing, and the content after processing is transferred to logic card by LVDS, wherein specific workflow is：
The first step：8K bore holes 3D RGB permutatation is carried out to decoded bore hole 3D video informations；
Second step：A point cutting is carried out etc. according to the concrete structure of mosaic screen to the image after permutatation；
3rd step：According to the view data of the position relationship conveying well cutting of each single screen in 8K bore hole 3D mosaic screens.
The concrete mode of transport picture data is that the logic card of each single screen is transferred to by LVDS in 3rd step.It is such
Be advantageous in that Android embedded boards carry out overall conjunction nomography processing, and and it is non-required increase in each single screen it is embedding
Enter formula board to handle bore hole 3D video informations, more efficient, cost is lower.
In this example, the RBG permutatation in the first step includes component, amplification, RGB permutatation；Component, being exactly will splicing
8K bore hole 3D pictures be divided into single each small disparity map of viewpoint；Amplification, is exactly enlarged into target by obtained small disparity map
Resolution ratio；RGB permutatation, according to 8K bore hole 3D permutation tables, the disparity map of each viewpoint is sampled, finally give one and
The consistent 8K bore hole 3D composographs of target resolution.If the upper left corner is the origin of coordinates, the 8K bore holes 3D rows of coordinate (x, y) position
It must be worth in list for N, the pixel value of corresponding (x, the y) position of 8K bore hole 3D composographs is M, and anaglyph is stored in V [] image
In array, then M is tried to achieve as follows：
M=V [floor (N)] * (1-N+floor (N))+V [floor (N) -1] * (N-floor (N))
Wherein floor is downward bracket function.
A point cutting, 8K bore holes 3D are carried out etc. according to the concrete structure of mosaic screen to the image after permutatation in second step
The concrete structure of mosaic screen is 4*4 combinations, so we carry out the 8K video images after permutatation 16 parts of decile
Cutting, specific decile cutting mode erect 4 cutting mode for horizontal stroke 4.The connecting method of 8K bore holes 3D mosaic screens is in 3rd step
4*4, if upper left single screen is named as 1, from upper left to upper right single screen respectively be named as 2,3,4, the single screen life immediately below upper left
Entitled 5, the like, lower-left single screen is named as 13,14,15,16 to bottom right single screen.Similarly, the 8K video figures of decile cutting
As upper left starts to be named as a, upper left is toward the b that is named as, c, d of upper right, and the video image immediately below upper left is named as e, successively class
Push away, the m that is named as, n, o, p of lower-left single screen to bottom right single screen.Thus, specific mode of movement is that a is transported into 1, and b is conveyed
To 2, c is transported to 3, the like, p is transported to 16, completes the data conveying of cutting image.
105 in Fig. 1 be that LVDS viewdata signals are converted to the liquid crystal-spliced screens of bore hole 3D and can identified by logic card
Control signal and ranks signal, and transfer signals to the liquid crystal-spliced screens of 8K bore holes 3D.Logic card is Android embedded boards
Block the LVDS viewdata signals sent, clock signal enters line shift register storage.Then by viewdata signal, clock letter
Number it is converted into control signal and the ranks signal that liquid crystal display can identify.It is liquid crystal-spliced finally to transfer signals to 8K bore holes 3D
Screen, and then the MOSFET pipes in control flow work to reach the purpose of the torsion resistance of control liquid crystal molecule.
In this example, the specific effect of logic card is：Screen power supply instruction, is produced in the output of Android embedded boards
Upper screen voltage to logic card, logic card obtain it is electric after, LVDS signals that Android embedded boards are sent（Including data-signal,
Synchronizing signal, clock signal, enable signal）The processing such as decomposed and reconfigured, by shift register by view data
Signal, clock signal are converted into the row that can be controlled to TFT-LCD liquid crystal display device working conditions, row drive signal, then
It is sent to row, row driver；Upper screen voltage is converted into the switching voltage VGH and VGL of scanner driver, data-driven by DC/DC
Operating voltage VLO needed for the operating voltage VDD and sequential control circuit of device, it is common to drive liquid crystal display normal work and show
Image.
106 in Fig. 1 be that the liquid crystal-spliced screens of 8K bore holes 3D carry out point-to-point display to bore hole 3D video informations.8K bore holes
Each single screen of 3D mosaic screens receives each signal transmitted by logic card and carries out the point-to-point aobvious of bore hole 3D video informations
Show, each single screen obtains correct bore hole 3D stereoeffects and shown, so as to overall 8K bore hole 3D mosaic screens obtain it is correctly naked
Eye 3D effect is shown, and then user is experienced bore hole 3D effect.
Claims (6)
1. a kind of 8K bore holes 3D splicing screen systems based on Android, its feature include：
A. the connecting method of 8K bore hole 3D mosaic screens, the display resolution of each bore hole 3D liquid crystal displays and bore hole to be played are obtained
The relevant information of 3D videos；
B. bore hole 3D video informations to be played are input to Android embedded boards；
C. Android embedded boards carry out the decoding of bore hole 3D video informations, and audio-frequency information is directly output into loudspeaker；
D. Android embedded boards carry out closing nomography processing again to decoded bore hole 3D video informations, and will processing
Content afterwards is transferred to logic card by LVDS；
E. LVDS viewdata signals are converted to control signal and the row that the liquid crystal-spliced screens of bore hole 3D can identify by logic card
Column signal, and transfer signals to the liquid crystal-spliced screens of 8K bore holes 3D；
F. the liquid crystal-spliced screens of 8K bore holes 3D carry out point-to-point display to bore hole 3D video informations.
2. a kind of 8K bore holes 3D splicing screen systems based on Android as claimed in claim 1, it is characterized in that：8K in step a
The connecting method of bore hole 3D mosaic screens splices for 4*4, and specific single bore hole 3D liquid crystal displays resolution ratio is 1920*1080, splicing
Whole resolution is 7680*4320, as 8K resolution ratio afterwards；Bore hole 3D videos to be played choose 8K resolution video contents.
3. a kind of 8K bore holes 3D splicing screen systems based on Android as claimed in claim 1, it is characterized in that：8K in step b
Bore hole 3D video contents are stored in the FREE3D files of USB flash disk, and Android embedded boards are identified in USB flash disk first
FREE3D files, read the 8K bore hole 3D video contents in this document folder again afterwards.
4. a kind of 8K bore holes 3D splicing screen systems based on Android as claimed in claim 1, it is characterized in that：In step c
The specific formula that YUV turns RGB is：
B=1.164(Y−16)+2.018(U−128)
G=1.164(Y−16)−0.813(V−128)−0.391(U−128)
R=1.164(Y−16)+1.596(V−128)
Wherein, RGB scope is [0,255], and Y scope is [16,235], and UV scope is [16,239]；If
Result of calculation is super to go beyond the scope with regard to truncation.
5. a kind of 8K bore holes 3D splicing screen systems based on Android as claimed in claim 1, it is characterized in that：In step d
The specific workflow of Android embedded boards is：
The first step：8K bore holes 3D RGB permutatation is carried out to decoded bore hole 3D video informations；
Second step：A point cutting is carried out etc. according to the concrete structure of mosaic screen to the image after permutatation；
3rd step：According to the view data of the position relationship conveying well cutting of each single screen in 8K bore hole 3D mosaic screens.
6. a kind of 8K bore holes 3D splicing screen systems based on Android as claimed in claim 1, it is characterized in that：Patrolled in step e
The LVDS viewdata signals that plate sends Android embedded boards are collected, clock signal enters line shift register storage；Then
By viewdata signal, clock signal is converted into the control signal that liquid crystal display can identify, ranks signal；Finally signal is transmitted
To the liquid crystal-spliced screens of 8K bore holes 3D, and then the MOSFET pipes in control flow work to reach the mesh of the torsion resistance of control liquid crystal molecule
's.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108965643A (en) * | 2018-07-13 | 2018-12-07 | 西安深睐信息科技有限公司 | A method of it is shown using multiple 4K realizing televisions not less than 12K ultra high-definition |
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| CN102932664A (en) * | 2012-10-31 | 2013-02-13 | 四川长虹电器股份有限公司 | Playing method of video of naked 3D (three-dimensional) television wall |
| CN105404485A (en) * | 2015-10-30 | 2016-03-16 | 四川长虹电器股份有限公司 | Method and system for controlling free stereoscopic display terminal to synchronously display contents by mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108965643A (en) * | 2018-07-13 | 2018-12-07 | 西安深睐信息科技有限公司 | A method of it is shown using multiple 4K realizing televisions not less than 12K ultra high-definition |
| CN108965643B (en) * | 2018-07-13 | 2021-04-27 | 西安深睐信息科技有限公司 | Method for realizing ultra-high definition display not lower than 12K by utilizing multiple 4K televisions |
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Application publication date: 20171226 |