CN104202546B - CAVE immersions virtual display system and display methods - Google Patents
CAVE immersions virtual display system and display methods Download PDFInfo
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Abstract
The present invention provides a kind of CAVE immersions virtual display system and display methods, audio frequency control module is cached to voice data to be played, and generate audio stream, form playlist, it is easy to export voice data in time, video control module carries out disposable concentrate to video data and cached, so that smooth playing video image, efficiently, Fusion Edges processing module directly captures main screen desktop image data by total control module, save processing time, computing is traveled through using multithreading, multichannel is supported to handle simultaneously, improve treatment effeciency, using in addition includes summit correction process, a variety of correcting functions including Geometry rectification processing and pixel rgb color are corrected are handled, on the one hand, ensure the effect of Fusion Edges, on the other hand data processing amount is also reduced, such video texture technology makes system be no longer limited by single channel projection, Fusion Edges processing can be done by player integration technology and realizes that large-size screen monitors are played, the big picture exhibition of multichannel.
Description
Technical field
The present invention relates to image display technology field, more particularly to CAVE immersions virtual display system and display side
Method.
Background technology
(Cave Automatic Virtual Environment, virtual reality shows CAVE immersions virtual display system
Show system) it is that a kind of multichannel what comes into a driver's simultaneous techniques, three dimensions shaping school CAVE optical projection systems of being based on is more than 3 faces
The virtual demo environment that the height of (containing 3 faces) hard back projection wall composition is immersed, coordinates three-dimensional tracker, and user can thrown
The system close contact virtual three-dimensional object that shadow wall is surrounded, or the arbitrarily virtual environment of roaming " true ", CAVE systems one
As be applied to high standard virtual reality system.
But most of existing CAVE immersions virtual display system will regard for the form of one passage in a face at present
Frequency content is backprojected into metope and is shown, and content is single, and during multiple metopes are projected, each metope picture edge melts
Close effect poor, it is impossible to bring various, high-quality picture to user.
The content of the invention
Based on this, it is necessary to single, each metope picture that there is content for existing CAVE immersions virtual display system
Fusion Edges effect is poor, it is impossible to which there is provided a kind of abundant in content, metope picture side for the problem of bringing various, high-quality picture to user
Edge syncretizing effect is good, can bring various, high-quality picture CAVE immersions virtual display system and display methods.
A kind of CAVE immersions virtual display system, including the processing of audio frequency control module, video control module, Fusion Edges
Module and total control module；
The audio frequency control module, the video control module and the Fusion Edges processing module respectively with it is described total
Control module is connected；
The audio frequency control module, is cached for voice data to be played to be concentrated, and audio stream is generated, by the audio
Conductance enters playlist, and according to the instruction of the total control module, plays the data in the playlist；
The video control module, for carrying out video decoding to video data to be played, and by decoded video
Data carry out it is disposable concentrate caching, buffered video data is obtained, according to the instruction of the total control module, described in real-time loading
Buffered video data；
The Fusion Edges processing module, is loaded in the buffered video data for being obtained by the total control module
Main screen desktop image data, multithreading traversal computing is done to each pixel in the main screen desktop image data, and operate
The rgb value of each pixel, texture is rendered to by the main screen desktop image data, texture UV is obtained, by main screen desk-top picture
Piece is split as multiple subgraphs, divides after the texture UV is torn open and is labelled to each subgraph, and the subgraph is entered respectively
Row off screen is rendered, and each subgraph after being rendered to off screen carries out correcting function processing, each projection is rendered into respectively aobvious
Show, wherein, the correcting function processing includes summit correction process, Geometry rectification processing and pixel rgb color correction process.
A kind of display methods of CAVE immersions virtual display system, including step：
Voice data to be played is concentrated into caching, audio stream is generated, by audio stream importing playlist, and according to
The instruction of total control module, plays the data in the playlist；
Video decoding is carried out to video data to be played, and disposable concentrate of decoded video data progress is delayed
Deposit, obtain buffered video data, according to the instruction of the total control module, buffered video data described in real-time loading；
Obtained by the total control module and load main screen desktop image data in the buffered video data；
Multithreading traversal computing is done to each pixel in the main screen desktop image data, and operates each pixel
Rgb value, texture is rendered to by the main screen desktop image data, obtains texture UV；
Main screen desktop picture is split as multiple subgraphs, divides after the texture UV is torn open and is labelled to each subgraph
Picture, and subgraph progress off screen is rendered respectively；
Each subgraph after being rendered to off screen carries out correcting function processing, and each Projection Display is rendered into respectively,
Wherein, the correcting function processing includes summit correction process, Geometry rectification processing and pixel rgb color correction process.
CAVE immersions virtual display system and display methods of the present invention, display system include audio frequency control module, video
Control module, Fusion Edges processing module and total control module, audio frequency control module are cached to voice data to be played, and
Audio stream is generated, playlist is formed, is easy to, when receiving control module instruction, voice data, video control be exported in time
Module to video data disposably concentrate and cached so that playing, video image is smooth, efficient, Fusion Edges processing module
Main screen desktop image data is directly captured by total control module, when saving from display image the processing needed for screenshotss
Between, computing is traveled through using multithreading, supports multichannel to handle simultaneously, improves treatment effeciency, use includes summit correction in addition
A variety of correcting functions processing including processing, Geometry rectification processing and the correction of pixel rgb color, on the one hand, ensure Fusion Edges
Effect, on the other hand also reduce data processing amount, such video texture technology makes system be no longer limited by single channel projection,
Fusion Edges processing can be done by player integration technology and realizes that large-size screen monitors are played, the big picture exhibition of multichannel.So of the invention
CAVE immersion virtual display systems are that a kind of abundant in content, metope picture Fusion Edges effect is good, can bring various, high-quality
The CAVE immersion virtual display systems of picture.
Brief description of the drawings
Fig. 1 is the structural representation of CAVE immersions virtual display system one embodiment of the present invention；
Fig. 2 is the structural representation of second embodiment of CAVE immersions virtual display system of the present invention；
Fig. 3 is the schematic flow sheet of display methods one embodiment of CAVE immersions virtual display system of the present invention；
Fig. 4 is the schematic flow sheet of second embodiment of display methods of CAVE immersions virtual display system of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below according to drawings and Examples
The present invention is further elaborated.It should be appreciated that specific implementation described herein is only to explain the present invention, not
Limit the present invention.
As shown in figure 1, a kind of CAVE immersions virtual display system, including audio frequency control module 100, video control module
200th, Fusion Edges processing module 300 and total control module 400；
300 points of the audio frequency control module 100, the video control module 200 and the Fusion Edges processing module
It is not connected with the total control module 400；
The audio frequency control module 100, is cached for voice data to be played to be concentrated, and generates audio stream, will be described
Audio stream imports playlist, and according to the instruction of the total control module 400, plays the data in the playlist.
The data for being pushed to user are generally required in a display system mainly including two classes, a class is voice data,
Another kind of is vedio data, and only this two classes data is perfect, smooth, coordinates to push, show user just to bring well
Consumer's Experience.Herein, audio frequency control module, the data that voice data to be played is carried out after concentration caching, caching can
To be quickly read, export, so that voice data pushes smoothness, in addition, for the ease of accurate, efficient management, control sound
Frequency evidence, audio frequency control module also carries out processing generation audio stream to the data after caching, and audio stream is imported in playlist,
After control module instruction is received, just can it is accurate from playlist, rapidly find out the data for being currently needed for playing.
The video control module 200, for carrying out video decoding to video data to be played, and is regarded decoded
Frequency is cached according to disposable concentrate is carried out, and buffered video data is obtained, according to the instruction of the total control module, real-time loading institute
State buffered video data.
Video control module carries out disposable concentrate to the video data of decoding and cached, and according to the instruction of control module,
Buffered video data described in real-time loading so that data handling procedure is simple, because data pass through caching process, during broadcasting
Time is not in stagnate or slack phenomenon, disposably all video files is loaded into internal memory, as long as internal memory is enough
Greatly, program operational efficiency is not interfered with yet even if loading mass data.
The Fusion Edges processing module 300, the buffered video is loaded for being obtained by the total control module 400
Main screen desktop image data in data, multithreading traversal computing is done to each pixel in the main screen desktop image data,
And the rgb value of each pixel is operated, the main screen desktop image data is rendered to texture, texture UV is obtained, by main screen
Desktop picture is split as multiple subgraphs, divides after the texture UV is torn open and is labelled to each subgraph, and respectively to the son
Image carries out off screen and rendered, and each subgraph after being rendered to off screen carries out correcting function processing, and each is rendered into respectively
Projection Display, wherein, the correcting function processing includes summit correction process, Geometry rectification processing and the correction of pixel rgb color
Processing.
Video texture, scene texture off screen are rendered into one and thrown the net lattice texture maps by Fusion Edges processing module, and are assigned every
Individual summit gives control authority and realizes that single-point is moved, ranks point is uniform, ranks linear process, the projection highlighted processing skill in overlapping region
Art, splicing.And main screen desktop image data is directly captured by total control module 400, saved from display image
Processing time needed for upper screenshotss, computing is traveled through using multithreading, support multichannel to handle simultaneously, improve treatment effeciency, separately
Outer a variety of correcting functions processing using including summit correction process, Geometry rectification processing and the correction of pixel rgb color, one
Aspect, it is ensured that the effect of Fusion Edges, on the other hand also reduces data processing amount, such video texture technology makes system no longer
Single channel projection is limited to, Fusion Edges processing can be done by player integration technology and realizes that large-size screen monitors are played, the big picture of multichannel
Displaying.
CAVE immersions virtual display system of the present invention, including audio frequency control module 100, video control module 200, edge
Fusion treatment module 300 and total control module 400, audio frequency control module 100 are cached to voice data to be played, and are generated
Audio stream, forms playlist, is easy to, when receiving control module instruction, voice data, video control module be exported in time
200, video data is carried out disposably to concentrate caching so that playing, video image is smooth, efficient, Fusion Edges processing module
300 directly capture main screen desktop image data by total control module 400, save from display image from needed for screenshotss
The reason time, computing is traveled through using multithreading, support multichannel to handle simultaneously, improve treatment effeciency, use includes summit in addition
A variety of correcting functions processing including correction process, Geometry rectification processing and the correction of pixel rgb color, on the one hand, ensure edge
The effect of fusion, on the other hand also reduces data processing amount, such video texture technology makes system be no longer limited by single channel
Projection, Fusion Edges processing can be done by player integration technology and realizes that large-size screen monitors are played, the big picture exhibition of multichannel.So this hair
Bright CAVE immersions virtual display system is that a kind of abundant in content, metope picture Fusion Edges effect is good, can bring various, excellent
The CAVE immersion virtual display systems of matter picture.
As shown in Fig. 2 in one of the embodiments, the total control module 400 includes WIFI communication units 420, institute
State WIFI communication units 420 be used for by WIFI communications receptions and transmission data.
In the present embodiment, control module includes WIFI communication units, so allows for control module to be communicated by WIFI
Data interaction is carried out with other equipment, is operated such as sending or receive control instruction.After WIFI communication units are provided with,
User can use mobile terminal to be operated, controlled to CAVE immersion virtual display systems, greatly lift making for user
Convenience.
As shown in Fig. 2 in one of the embodiments, the CAVE immersions virtual display system also includes memory module
500, the memory module 500 is connected with the total control module 400.
Memory module 500 can increase the data cached ability of total control module 400, improve by data buffer storage in it
Its operating efficiency, and can be worked with other module coordinations, lift the performance of whole CAVE immersions virtual display system.
In one of the embodiments, the audio frequency control module 100 by DirectSound specifically for that will wait to broadcast
The voice data put concentrates caching, generates audio stream, and the audio stream is imported into playlist, and according to the total control module
400 instruction, plays the data in the playlist.
DirectSound be a DirectXAudio part compared with bottom there is provided abundant interface function, it is real
The broadcasting control of the waveform sound data of existing .wav forms.Audio frequency control module is by DirectSound by audio to be played
Cached in data set, be easy to polytype voice data efficiently to be cached.
In one of the embodiments, the video control module 200 is specifically for passing through VMR9 pairs of DirectShow
Video data to be played carries out video decoding, and decoded video data is carried out into disposable concentration caching, is cached
Video data, according to the instruction of the total control module 400, buffered video data described in real-time loading.
DirectShow is a kind of kit of Streaming Media processing, and it is issued together with DirectX kits.
DirectShow uses DirectShow, is captured on the capture card that we can be easily after data, and progress accordingly
Phase handles or even stored into file.The access of multi-medium data in multimedia database management system is so set to become more
It is convenient.It widely supports various media formats, and the seizure and playback for media stream provide strong support.If audio
Voice data to be played is concentrated and cached by control module from DirectSound, and video control module selects DirectShow
VMR9 video decoding is carried out to video data to be played, audio frequency control and video control are based at the software of Microsoft
Reason, is so also beneficial to whole CAVE immersions virtual display system Effec-tive Function in the operating system of Microsoft.
In one of the embodiments, the Fusion Edges processing module 300 includes：
The caching image data acquiring unit being connected with the total control module, for being obtained by the total control module
Load main screen desktop image data in the buffered video data；
The texture processing unit being connected with the caching image data acquiring unit, in the caching image data
Each pixel does multithreading traversal computing, and operates the rgb value of each pixel, and the caching image data is rendered into texture,
Obtain texture UV；
The off screen rendering unit being connected with the texture processing unit is more for the main screen desktop picture to be split as
Individual subgraph, divides after the texture UV is torn open and is labelled to each subgraph, and subgraph progress off screen is rendered respectively；
The projection display unit being connected with the off screen rendering unit, for being rendered to off screen after each subgraph
Correcting function processing is carried out, each Projection Display is rendered into respectively, wherein, the correcting function processing is included at the correction of summit
Reason, Geometry rectification processing and pixel rgb color correction process；
The correcting function processing parameter acquiring unit being connected with the projection display unit, for obtaining correcting function processing
Parameter；
The correcting function processing parameter memory cell being connected with the correcting function processing parameter acquiring unit, for using
XML (Extensible Markup Language, extensible markup language) text stores the correcting function processing parameter, its
In, the correcting function processing parameter includes vertex information, geological information and RGB information.
In one of the embodiments, the texture processing unit includes：
Multithreading arithmetic element, for by GPU (Graphic Processing Unit, graphics processor) to described
Each pixel does multithreading traversal computing in caching image data；
Rgb value acquiring unit, the rgb value for obtaining each pixel respectively；
The caching image data is rendered to texture by texture UV acquiring units, the rgb value for operating each pixel,
Obtain texture UV；
Memory cell, for storing the texture UV.
As shown in figure 3, the display methods of above-mentioned CAVE immersions virtual display system, including step：
S100：Voice data to be played is concentrated into caching, audio stream is generated, the audio stream is imported into playlist,
And according to the instruction of total control module, play the data in the playlist.
The data that voice data to be played is carried out after concentration caching, caching can quickly be read, export, and so make
Voice data push it is smooth, in addition, for the ease of accurate, efficient management, control voice data, herein, also to caching after
Data carry out processing generation audio stream, audio stream is imported in playlist, just can be from after control module instruction is received
It is accurate in playlist, rapidly find out the data for being currently needed for playing.
S200：Video decoding is carried out to video data to be played, and decoded video data is disposably collected
Middle caching, obtains buffered video data, according to the instruction of the total control module, buffered video data described in real-time loading.
The video data of decoding is carried out it is disposable concentrate caching, and according to the instruction of control module, described in real-time loading
Buffered video data so that data handling procedure is simple, is not in stop when broadcasting because data pass through caching process
All video files, are disposably loaded into internal memory by stagnant or slack phenomenon, as long as internal memory is sufficiently large and loading is excessive
Program operational efficiency is not interfered with yet.
S300：Obtained by the total control module and load main screen desktop image data in the buffered video data.
Main screen desktop image data is directly captured, data obtaining time has been saved, has improved efficiency.
S400：Multithreading traversal computing is done to each pixel in the main screen desktop image data, and operates each picture
The rgb value of element, texture is rendered to by the main screen desktop image data, obtains texture UV.
Multithreading travels through computing, i.e., worked using Multi-thread synchronization so that treatment effeciency is improved significantly.
S500：Main screen desktop picture is split as multiple subgraphs, point is labelled to after the texture UV is torn open each described
Subgraph, and subgraph progress off screen is rendered respectively.
Whole main screen desktop picture is split as multiple subgraphs, the quantity of subgraph can be carried out according to actual requirement
Selection, after multiple subgraphs is split as, the texture UV obtained before is split and is labelled to each subgraph, is carried out to subgraph
Off screen is rendered.
S600：Each subgraph after being rendered to off screen carries out correcting function processing, and each projection is rendered into respectively
It has been shown that, wherein, the correcting function processing includes summit correction process, Geometry rectification processing and pixel rgb color correction process.
Using corrections such as including but not limited to summit correction process, Geometry rectification processing and pixel rgb color correction process
Function treatment, on the one hand, image quality sense is stronger, and perfectly can be showed image doing when ring curtain is merged with ball curtain, will not
There is picture distortion sense common at present, on the other hand simple correcting function processing, reducing needs data volume to be processed,
The efficiency of whole Fusion Edges processing is improved to a certain extent.Non-essential, Geometry rectification processing can be bent by Bezier
Surface function is calculated.
The display methods of CAVE immersions virtual display system of the present invention, is cached, and generate to voice data to be played
Audio stream, forms playlist, is easy to, when receiving control module instruction, voice data be exported in time, enters video data
Row disposably concentrates caching so that playing, video image is smooth, efficient, directly passes through total control module and captures main screen desktop
Image data, saves the processing time needed for screenshotss from display image, and computing is traveled through using multithreading, supports that multichannel is same
When handle, improve treatment effeciency, in addition using include summit correction process, Geometry rectification processing and pixel rgb color correct
A variety of correcting functions processing inside, on the one hand, ensure the effect of Fusion Edges, on the other hand also reduce data processing amount, this
The video texture technology of sample makes system be no longer limited by single channel projection, and Fusion Edges processing can be done by player integration technology
Realize that large-size screen monitors are played, the big picture exhibition of multichannel.
In one of the embodiments, it is described that multithreading traversal is done to each pixel in the main screen desktop image data
Computing, and the rgb value of each pixel is operated, the main screen desktop image data is rendered to texture, texture UV is obtained specific
Including step：
Multithreading is done to each pixel in the caching image data by GPU and travels through computing；
The rgb value of each pixel is obtained respectively；
The rgb value of each pixel is operated, the caching image data is rendered to texture, texture UV is obtained；
Store the texture UV.
GPU is the core processor of a special figure, does multi-thread to each pixel in caching image data by GPU
Journey travels through computing, is on the one hand able to ensure that the quality of graphics process, to reach optimal display effect, on the other hand, parallel
Processing, supports multichannel to handle simultaneously, saves processing time, improve treatment effeciency.In the present embodiment, it is also special by line
Manage UV to carry out, it is to avoid because unexpected (power-off etc. suddenly) causes the loss of data, it is ensured that the safety of data.
As shown in figure 4, in one of the embodiments, also having step after the step S600：
S700：Obtain correcting function processing parameter；
S800：The correcting function processing parameter is stored using XML texts, wherein, the correcting function processing parameter bag
Include vertex information, geological information and RGB information.
With XML texts storage vertex information, RGB information, reading rate is high, and can pass through software in the situation that file is lost
Provide the data (preventing file accidental damage or loss) that function One-key recovery original has been debugged for oneself.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of CAVE immersions virtual display system, it is characterised in that including audio frequency control module, video control module, side
Edge fusion treatment module and total control module；
The audio frequency control module, the video control module and the Fusion Edges processing module respectively with the master control
Module is connected；
The audio frequency control module, is cached for voice data to be played to be concentrated, and audio stream is generated, by the audio conductance
Enter playlist, and according to the instruction of the total control module, play the data in the playlist；
The video control module, for carrying out video decoding to video data to be played, and by decoded video data
Carry out disposable concentrate to cache, obtain buffered video data, according to the instruction of the total control module, cached described in real-time loading
Video data；
The Fusion Edges processing module, main screen in the buffered video data is loaded for being obtained by the total control module
Curtain desktop image data, multithreading traversal computing is done to each pixel in the main screen desktop image data, and operate each
The rgb value of pixel, texture is rendered to by the main screen desktop image data, obtains texture UV, main screen desktop picture is torn open
Be divided into multiple subgraphs, point each subgraph be labelled to after the texture UV is torn open, and the subgraph is carried out respectively from
Screen is rendered, and each subgraph after being rendered to off screen carries out correcting function processing, and each Projection Display is rendered into respectively, its
In, the correcting function processing includes summit correction process, Geometry rectification processing and pixel rgb color correction process, the side
Edge fusion treatment module off screen, which is rendered, to be specially rendered into one by video texture and scene texture off screen and throws the net lattice texture maps.
2. CAVE immersions virtual display system according to claim 1, it is characterised in that the total control module includes
WIFI communication units, the WIFI communication units are used for by WIFI communications receptions and send data.
3. CAVE immersions virtual display system according to claim 1 or 2, it is characterised in that also including memory module,
The memory module is connected with the total control module.
4. CAVE immersions virtual display system according to claim 1 or 2, it is characterised in that the audio frequency control mould
Block by DirectSound by voice data to be played specifically for being concentrated and being cached, audio stream is generated, by the audio stream
Playlist is imported, and according to the instruction of the total control module, plays the data in the playlist.
5. CAVE immersions virtual display system according to claim 1 or 2, it is characterised in that the video controls mould
Block to video data to be played by DirectShow VMR9 specifically for carrying out video decoding, and regard decoded
Frequency is cached according to disposable concentrate is carried out, and buffered video data is obtained, according to the instruction of the total control module, real-time loading institute
State buffered video data.
6. CAVE immersions virtual display system according to claim 1 or 2, it is characterised in that at the Fusion Edges
Reason module includes：
The caching image data acquiring unit being connected with the total control module, is loaded for being obtained by the total control module
Main screen desktop image data in the buffered video data；
The texture processing unit being connected with the caching image data acquiring unit, for each in the caching image data
Pixel does multithreading traversal computing, and operates the rgb value of each pixel, and the caching image data is rendered into texture, obtained
Texture UV；
The off screen rendering unit being connected with the texture processing unit, for the main screen desktop picture to be split as into many height
Image, divides after the texture UV is torn open and is labelled to each subgraph, and subgraph progress off screen is rendered respectively；
The projection display unit being connected with the off screen rendering unit, for being rendered to off screen after each subgraph carry out
Correcting function processing, is rendered into each Projection Display respectively, wherein, the correcting function, which is handled, includes summit correction process, several
What correction process and pixel rgb color correction process；
The correcting function processing parameter acquiring unit being connected with the projection display unit, for obtaining correcting function processing ginseng
Number；
The correcting function processing parameter memory cell being connected with the correcting function processing parameter acquiring unit, for using XML
Text stores the correcting function processing parameter, wherein, the correcting function processing parameter include vertex information, geological information and
RGB information.
7. CAVE immersions virtual display system according to claim 6, it is characterised in that the texture processing unit bag
Include：
Multithreading arithmetic element, computing is traveled through for doing multithreading to each pixel in the caching image data by GPU；
Rgb value acquiring unit, the rgb value for obtaining each pixel respectively；
The caching image data is rendered to texture, obtained by texture UV acquiring units, the rgb value for operating each pixel
Texture UV；
Memory cell, for storing the texture UV.
8. a kind of display methods of CAVE immersions virtual display system, it is characterised in that including step：
Voice data to be played is concentrated into caching, audio stream is generated, the audio stream is imported into playlist, and according to master control
The instruction of molding block, plays the data in the playlist；
Video decoding is carried out to video data to be played, and decoded video data is subjected to disposable concentrate caching, obtained
Obtain buffered video data, according to the instruction of the total control module, buffered video data described in real-time loading；
Obtained by the total control module and load main screen desktop image data in the buffered video data；
Multithreading traversal computing is done to each pixel in the main screen desktop image data, and operates the rgb value of each pixel,
The main screen desktop image data is rendered to texture, texture UV is obtained；
Main screen desktop picture is split as multiple subgraphs, divides after the texture UV is torn open and is labelled to each subgraph, and
Off screen is carried out to the subgraph respectively to render；
Each subgraph after being rendered to off screen carries out correcting function processing, and each Projection Display is rendered into respectively, wherein,
The correcting function processing includes summit correction process, Geometry rectification processing and pixel rgb color correction process, the off screen wash with watercolours
Dye is specially that video texture and scene texture off screen are rendered into one to throw the net lattice texture maps.
9. the display methods of CAVE immersions virtual display system according to claim 8, it is characterised in that described to institute
State each pixel in caching image data and do multithreading traversal computing, and operate the rgb value of each pixel, by the caching picture
Data render obtains texture UV and specifically includes step into texture：
Multithreading is done to each pixel in the caching image data by GPU and travels through computing；
The rgb value of each pixel is obtained respectively；
The rgb value of each pixel is operated, the caching image data is rendered to texture, texture UV is obtained；
Store the texture UV.
10. the display methods of CAVE immersion virtual display systems according to claim 8 or claim 9, it is characterised in that described
Each subgraph after being rendered to off screen carries out correcting function processing, and also step is rendered into after each Projection Display respectively
Suddenly：
Obtain correcting function processing parameter；
The correcting function processing parameter is stored using XML texts, wherein, the correcting function processing parameter is believed including summit
Breath, geological information and RGB information.
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| CN104836970B (en) * | 2015-03-27 | 2018-06-15 | 北京联合大学 | More projection fusion methods and system based on GPU real time video processings |
| CN107705364A (en) * | 2016-08-08 | 2018-02-16 | 国网新疆电力公司 | A kind of immersion virtual display system based on three-dimensional geographic information |
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