CN103281480B - A kind of background video system of stage - Google Patents
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- CN103281480B CN103281480B CN201310207882.4A CN201310207882A CN103281480B CN 103281480 B CN103281480 B CN 103281480B CN 201310207882 A CN201310207882 A CN 201310207882A CN 103281480 B CN103281480 B CN 103281480B
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Abstract
The invention discloses the background video system of a kind of stage, background video is sent to LED video processor by DVI interface by video server；Background video is sent to LED display by DVI interface by LED video processor, and controls LED display and play background video.The background video system of the stage of the present invention, the LED display that can arrange before the lights is play background video, omnibearing can present machinery stage and the spatial modelling of video combination, meet the miscellaneous service demands such as scheme enforcement that are designed into from director, present the strong support of offer for stage.
Description
Technical field
The present invention relates to video slicing technique field, particularly relate to the background video system of a kind of stage.
Background technology
In recent years, development with modern stage technique, stage expressive space is also increasing, artistic expression is greatly enhanced, not only requiring more and more higher to the performance of stage structure, it is achieved technology also improves therewith, numeral performance is as the product of information age digital technology development, realize art of acting to combine with engineering, make art of acting digitized, systematization, intellectuality.
In current stage artistic design, it usually needs dynamic background, usually play some background videos.Accordingly, it would be desirable to the background video system of a kind of stage.
Summary of the invention
In view of this, the technical problem that the invention solves the problems that is to provide the background video system of a kind of stage, it is possible to play background video in the LED display arranged before the lights.
A kind of background video system of stage, including: video server, LED video processor and be arranged on the LED display on stage surface；Background video is sent to described LED video processor by DVI interface by described video server；Described background video is sent to described LED display by DVI interface by described LED video processor, and controls described LED display and play described background video；Wherein, described stage includes: scaling ladder device, bottom stage main body, stage ceiling and be positioned at the screen main body above the stage main body of described bottom.
According to one embodiment of present invention, further, described LED display is spliced by polylith LED display unit；Wherein, broadcast unit video in each LED display unit；Specification according to display structure, splices the unit video play in LED display unit, forms described background video.
According to one embodiment of present invention, further, video slicing device is also included；Described background video cutting is broadcast unit video in each LED display unit by described video slicing device, and described unit video is sent to described video server.
According to one embodiment of present invention, further, described bottom stage main body includes multiple column being disposed adjacent, and each column can both lift independently；Before described column, below, the left side, the right side and upper surface the LED display unit of one piece of 1m*1m is all set；Described bottom stage main body is divided into multiple region；Multiple described video server is set corresponding to the plurality of region, stores the unit video play in the LED display unit in each region respectively.
According to one embodiment of present invention, further, described video slicing device includes: unit video generates unit；Described unit video generates unit according to the displacement state data of each column in performing at program, the background video play on 4 surfaces of described bottom stage main body and upper surface is carried out cutting, generates the unit video broadcasted on 4 surfaces of each described column and the LED display unit of upper surface；Wherein, in program is performed, the upper and lower displacement of column of described bottom stage main body, form three-dimensional contouring；The column forming described three-dimensional contouring is moulding column, the unit video of the broadcast orthographic projection in described 4 directions in LED display unit on 4 surfaces of whole described moulding columns is spliced, forms the complete background video play on described 4 surfaces of described three-dimensional contouring；Described 4 surfaces are: above, below, the left side and the right side；Described 4 directions are: forward and backward, left and right.
According to one embodiment of present invention, further, described video slicing device includes: column mechanical data production unit；Whole columns of described bottom stage main body are numbered by described column mechanical data production unit, and according to the column position at described bottom stage main body, generate the two-dimensional array representing whole column；Obtain the displacement state data of each column in program is performed, travel through described two-dimensional array, record the lifting physical quantity of every root post and the corresponding relation of time shaft, generate the mechanical data file for video cutting；Described corresponding relation includes: the time of the motion starting position of column, the home position of column and correspondence；Described unit video generate unit read before the stage main body of described bottom, below, the background video play of the left side, the right side and upper surface, read the pixel data of background video image, according to perspective and orthographic projection method, respectively background video is carried out orthographic projection in 5 directions, and the corresponding relation according to the lifting physical quantity of the column in described mechanical data file and time shaft, background video is divided in the LED display unit on column the unit video played out；Wherein, the unit video of the broadcasting orthographic view in 5 directions in the LED display unit of whole columns is spliced, forms the background video orthographic view in 5 directions.
According to one embodiment of present invention, further, stage ceiling is arranged the linear array case that can independently move up and down；Described unit video generates unit according to the displacement state data of each linear array case in performing at program, the background video play on 4 surfaces of described bottom stage main body and lower surface is carried out cutting, generates the unit video broadcasted on 4 surfaces of each described linear array case and the LED display unit of lower surface；Wherein, in program is performed, multiple upper and lower displacements of linear array case, form three-dimensional contouring；The multiple linear array casees forming described three-dimensional contouring are moulding linear array case, the unit video of the broadcast orthographic projection in described 4 directions in LED display unit on 4 surfaces of described moulding linear array case is spliced, forms the complete background video play on described 4 surfaces of described three-dimensional contouring；Described 4 surfaces are: above, below, the left side and the right side；Described 4 directions are: forward and backward, left and right.
According to one embodiment of present invention, further, also include simulator, for setting up the stereomodel of stage, simulation in program performance process in LED display unit play unit video and machinery stage bench-type animation, and show the time of broadcasting, stage bench-type change timing node and unit video in frame broadcast state.Described simulator is connected with described video slicing device, and obtains described unit video from video slicing device.
According to one embodiment of present invention, further, described background video and unit video are QuickTimeMovie file.
The background video system of the stage of the present invention, the LED display that can arrange before the lights is play background video, omnibearing can present machinery stage and the spatial modelling of video combination, meet the miscellaneous service demands such as scheme enforcement that are designed into from director, present the strong support of offer for stage.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of an embodiment of the background video system of the stage according to the present invention；
Fig. 2 A and 2B is the layout drawing of the LED display unit of the background video system of the stage according to the present invention；Fig. 2 A is the LED display unit layout drawing at stage, and Fig. 2 B is the subregion schematic diagram of bottom stage main body；
Fig. 3 is the schematic diagram of the video slicing device of the background video system of the stage according to the present invention；
Fig. 4 is the schematic diagram that the simulator of the background video system of the stage according to the present invention carries out emulating；
Fig. 5 is the stage scene schematic diagram of the background video system broadcasting background screen of the stage of the present invention.
Detailed description of the invention
With reference to the accompanying drawings the present invention is described more fully, the exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Fig. 1 is the flow chart of an embodiment of the background video system of the stage according to the present invention.As shown in Figure 1: the background video system of stage includes: video server 12,13, LED video processor 14 and be arranged on the LED display 11 on stage surface.
Video server 12,13 is by DVI(DigitalVideoInterface: digital visual interface) background video is sent to LED video processor by interface.Background video is sent to LED display 11 by DVI interface by LED video processor 14, and controls LED display 11 and play background video.
According to one embodiment of present invention; owing to making the demand of picture; go out to broadcast the resolution of picture firstly the need of according to the LED screen specification used and Size calculation; distribution server would generally be carried out according to the size of picture; exportable at most 4 the DVI coffrets of one station server; each maximum output resolution ratio of DVI coffret is 1920*1200, the display of LED video controller major control video, and each LED video controller then controls a DVI coffret accordingly.Needing to realize the normal play of the picture that picture size is 2304*2352 in below figure, length and width all exceed a DVI interface output picture, then need 3 DVI outputs, namely need 3 controllers.
As shown in Figure 2 A, stage includes: scaling ladder device 22, bottom stage main body 23, stage ceiling, stage ceiling include multiple can the linear array case 21 of independent-lifting, be positioned at screen main body 24 above the stage main body of bottom etc..
At scaling ladder device 22, bottom stage main body 23, stage ceiling, the upper LED display arranged such as linear array case 21, screen main body 24 is spliced by polylith LED display unit.Broadcast unit video in each LED display unit.The unit video play in LED display unit is spliced, forms background video.
According to one embodiment of present invention, background video cutting is broadcast unit video in each LED display unit by video slicing device 15, and unit video is sent to video server 12,13.Screen cutting, i.e. Video segmentation, refer to and by certain standard scores, image or video sequence be slit into region.
The bottom mechanical movement column of stage main body 23 and linear array case 21 moulding at top are big features of 2013 Spring Festival Gala stages, all adopt mechanical manipulation design, by the input of mechanical data, present the tableaux of identical music node, the LED screen for video playback is all laid at column four sides so that the video of its broadcasting has particularity.
Owing in a program, mechanical elevating forms the various three-dimensional contourings of stage, how realizing controlling mechanical elevating accurately is a great problem, and the cooperation also realizing lifting platform four facade videos all around is play.
According to one embodiment of present invention, as shown in Figure 2 B, bottom stage main body 23 includes multiple column being disposed adjacent, and each column can both lift independently.Before column, below, the left side, the right side and upper surface the LED display unit of one piece of 1m*1m is all set.Bottom stage main body 23 is divided into multiple region.
Multiple video server is set corresponding to multiple regions, stores the unit video play in the LED display unit in each region respectively.
Bottom stage main body 23 video resolution is relatively big, 33 row 17 row liftable regions, according to size and server distribution mode, can be divided into five regions: B1, B2, B3, B4, B5.Video can hold and should be able to carry out corresponding mobile change according to stretch/moving up and down of lift-type screen.Restriction due to screen size, it is desirable to video forms unified dance & art effect by means such as splicings.
Huge due to lifting platform LED quantity, stage LED is carried out classification design, B1 district: 3m*2m/ block, high 1m by largest passages and the reasonability of video production that we can play in conjunction with server.B2(B3 district is same): 2m*2m/ block, high 1m.B4 district: 1m*1m, high 4.5m.B5 district: 1m*1m, high 1m.
Stage lifts the dimensions in each region in conjunction with No. 1 Room site environment design, owing to the negative formation of No. 1 Room lifting platform only zone line reaches as high as 4.9m, Dou Shi ground, other regions, and in conjunction with the practicality of stage, B4 district is 1m*1m specification lifting platform, the height that can bear in conjunction with human psychological on the one hand and flat orientation, in addition combined with the combination and variation of stage, B1 region is near main screen, between B4 district and main screen, divided block should be excessively not scattered, and 1m is liftable height.
Video server controls screen processor by DVI interface, then is gone to control display and the broadcasting of lifting platform every piece screen by screen processor.Every maximum 4 DVI interface of video server, DVI interface requires that output resolution ratio is up to 1920*1200.
Lifting column to zones of different, such as B1 distinguishes resolution 2304*512(horizontal 3 vertical 2), take 2 DVI mouths, if but change threading mode into 1536*768, (horizontal 2 vertical 3) then have only to take 1 DVI mouth.B2, B3 distinguish resolution 2048*1536(horizontal 4 vertical 6 for another example), wide height is all more than 1K, it is necessary to takies 4 road DVI, uses 1 station server, if threading mode changes into horizontal 6 vertical 4, resolution then becomes 1536*2048, then have only to 2 DVI interface.So the picture of these 3 interfaces can be spliced into the picture of a 4K, a video server control.
According to one embodiment of present invention, by calculating, the physical size of stage is carried out three-dimensional modeling, generation can read in stage set 3DS file, keyframe techniques according to three-dimensional animation, adopt the MEL Script Programming of three-dimensional software, realize resolving the basic geometric modeling data in stage set, analysis space position relationship, thus extracting the data message of stage set, including stage block motion height etc., store data in CUE formatted file and export, and in this, as controlling the foundation of true machinery stage equipment motion, it is provided that accurate, feasible design guarantee.
Fig. 3 is the schematic diagram of the video slicing device of the background video system of the stage according to the present invention.Video slicing device 12,13 includes: unit video generates unit 31.
Unit video generates unit 31 according to the displacement state data of each column in performing at program, the background video play on 4 surfaces of bottom stage main body and upper surface is carried out cutting, generates the unit video broadcasted on 4 surfaces of each column and the LED display unit of upper surface.
In program is performed, the upper and lower displacement of column of bottom stage main body, form three-dimensional contouring.The column of composition three-dimensional contouring is moulding column, the unit video of the broadcast orthographic projection in 4 directions in the LED display unit on 4 surfaces of whole moulding columns is spliced, forms the complete background video play on 4 surfaces of three-dimensional contouring.4 surfaces are: above, below, the left side and the right side.4 directions are: forward and backward, left and right.
The background video of the upper surface of three-dimensional contouring does not have situation about blocking, and therefore, there is no need to consider the upper and lower displacement of column.
Background video is carried out editor in frame and generates unit video.Editor be exactly in so-called frame, in some moment, the pixel of a certain content frame of video is edited (shear, paste, change color, filling, movement etc.), thus all content frames in affecting a period of time from this moment accordingly.In frame, editor is only limitted to the making of picture-in-picture.
Whole columns of bottom stage main body are numbered by column mechanical data production unit 32, and according to the column position at bottom stage main body, generate the two-dimensional array representing whole column.
Obtain the displacement state data of each column in program is performed, travel through two-dimensional array, record the lifting physical quantity of every root post and the corresponding relation of time shaft, generate the mechanical data file for video cutting.Corresponding relation includes: the time of the motion starting position of column, the home position of column and correspondence.
Size and the resolution of video are as mechanical movement and change, except it is also contemplated that dimension scale except, by the analysis of mechanical control system for stage being further appreciated that the control of machinery and summing up the identification etc. of mechanical data, it is achieved the extraction of mechanical data also completes the 3D machinery of computer model and presents.
According to one embodiment of present invention, the basic geometric modeling data in stage set file are resolved by column mechanical data production unit 32, calculate the spatial relation of stage, and utilize stage emulation data module its result to be exported.
Unit video generate unit 31 read before the stage main body of bottom, below, the background video play of the left side, the right side and upper surface, read the pixel data of background video image, according to perspective and orthographic projection method, respectively background video is carried out orthographic projection in 5 directions, and the corresponding relation according to the lifting physical quantity of the column in mechanical data file and time shaft, background video is divided in the LED display unit on column the unit video played out.Wherein, the unit video of the broadcasting orthographic view in 5 directions in the LED display unit of whole columns is spliced, forms the background video orthographic view in 5 directions.
According to one embodiment of present invention, unit video generates the front view that sequence of video images is 4 faces that unit 31 processes.Pass through interface alternation, video image is called in internal memory, read the pixel data of image, according to perspective, projection law, it is divided into some unit sub-blocks by row, column coordinate, in the way of parallel pipeline, the pixel data of all images is edited according to specified rule, data in video image repartition territory, source are copied to the correspondence position of purpose video image, thus the segmentation restructuring realized in video data frame.
If a program devises the change of lifting platform bench-type, the animation of background video and the animation of knee type are all arrange according to its timing node is unified, because video itself is also control progress by timing node, the animation change of stage bench-type is also main by timing node control, represent previous frame bench-type and this frame and what next frame was just as in static, as long as so ensureing the consistent of timing node making video with when making bench-type animation, then video playback can be reached for a long time and match with the state of lifting column.
According to one embodiment of present invention, according to the parsing to stage three-dimensional modeling, it is analyzed extracting with data mainly for ground rise or fall platform cast animation.In conjunction with the analysis of actual bench-type, it is level that initial state is only possible to, i.e. resting state.Due to 304, major control B district of machinery lifting column, in motor process, it is broadly divided into rising, declines and static three kinds of states.
For realizing the Mechanical course control to the elevating movement of stage column, by each numbered cylinders, the rule of numbering is simple and clear, it is prone to conclude, the identification that stage lifting column is numbered by computer, is more conducive to director and performer's familiar with understanding to stage, the interim amendment of creative plan.By numbered pillar according to above subregion to stage, and resolve the size of synthesis target video material, as pinup picture on the file destination generated phantom in a computer, it is simple to show the lifting of column and the amendment of data in three-dimensional animation is roamed.
According to one embodiment of present invention, stage ceiling is arranged the linear array case 21 that can independently move up and down.
Unit video generates unit 31 according to the displacement state data of each linear array case in performing at program, the background video play on 4 surfaces of bottom stage main body and lower surface is carried out cutting, generates the unit video broadcasted on 4 surfaces of each linear array case and the LED display unit of lower surface.
In program is performed, multiple upper and lower displacements of linear array case, form three-dimensional contouring.Multiple linear array casees of composition three-dimensional contouring are moulding linear array case, the unit video of the broadcast orthographic projection in 4 directions in LED display unit on 4 surfaces of moulding linear array case is spliced, forms the complete background video play on 4 surfaces of three-dimensional contouring.4 surfaces are: above, below, the left side and the right side.4 directions are: forward and backward, left and right.
Linear array case is square, and the processing mode of linear array case side video is the same with the lifting platform of stage main body.In such as 2013 Spring Festival Galas of big wing flats in stage, the time point of the video of each screen is to arrange according to music is unified when video production, even so playing at different structure, as long as video playback server does not have the delay state such as card machine, the content form that each screen is play is consistent.Owing to the video area of whole stage being divided in advance, what every station server controlled is the video content of zones of different, is relatively independent.
According to one embodiment of present invention, the stereomodel of stage is set up by simulator 16, the unit video that simulation is play in LED display unit in program performance process, and show the frame broadcast state in the time of broadcasting, the timing node of stage bench-type change and unit video, it is possible to the video made is selected, shear, move, paste, fill and video sequence according to specified rule generates.There is good interactive interface, click and play, as suspended or stop ongoing operation, click and suspend or stop button, the timing node of the time play according to the time feedbacking animation of display on state interface and bench-type change.
According to one embodiment of present invention, background video and unit video are QuickTimeMovie file.
The background video system of the stage of the present invention, omnibearing can present machinery stage and the spatial modelling of video combination, utilize artificial intelligence and emulation technology, can live preview, security evaluation, dance & art intention can be carried out displaying and the recruitment evaluation of high credibility, meet the miscellaneous service demands such as scheme enforcement that are designed into from director, and state in simulation process of exportable dance & art intention, position and various inner parameters etc., also can be directly output in true stage machinery system, reach deficiency and excess to combine, present the strong support of offer for stage.
It is likely to be achieved in many ways the method and system of the present invention.Such as, can by software, hardware, firmware or software, hardware, firmware any combination realize the method and system of the present invention.For the said sequence of step of method merely to illustrate, the step of the method for the present invention is not limited to order described in detail above, unless specifically stated otherwise.Additionally, in certain embodiments, can being also record program in the recording medium by the invention process, these programs include the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covers the record medium of the storage program for performing the method according to the invention.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principles of the invention and practical application are better described, and makes those of ordinary skill in the art it will be appreciated that the present invention is thus design is suitable to the various embodiments with various amendments of special-purpose.
Claims (8)
1. the background video system of a stage, it is characterised in that including:
Video server, LED video processor and be arranged on the LED display on stage surface；
Background video is sent to described LED video processor by DVI interface by described video server；Described background video is sent to described LED display by DVI interface by described LED video processor, and controls described LED display and play described background video；Wherein, described stage includes: scaling ladder device, bottom stage main body, stage ceiling and be positioned at the screen main body above the stage main body of described bottom；
Described LED display is spliced by polylith LED display unit；Also include video slicing device；Described background video cutting is broadcast unit video in each LED display unit by described video slicing device, and described unit video is sent to described video server；Described video slicing device includes: column mechanical data production unit；Whole columns of described bottom stage main body are numbered by described column mechanical data production unit, and according to the column position at described bottom stage main body, generate the two-dimensional array representing whole column；Obtain the displacement state data of each column in program is performed, travel through described two-dimensional array, record the lifting physical quantity of every root post and the corresponding relation of time shaft, generate the mechanical data file for video cutting；Described corresponding relation includes: the time of the motion starting position of column, the home position of column and correspondence.
2. the system as claimed in claim 1, it is characterised in that:
Broadcast unit video in each LED display unit；The unit video play in LED display unit is spliced, forms described background video.
3. system as claimed in claim 2, it is characterised in that:
Described bottom stage main body includes multiple column being disposed adjacent, and each column can both lift independently；Before described column, below, the left side, the right side and upper surface the LED display unit of one piece of 1m*1m is all set；
Described bottom stage main body is divided into multiple region；Multiple described video server is set corresponding to the plurality of region, stores the unit video play in the LED display unit in each region respectively.
4. system as claimed in claim 3, it is characterised in that:
Described video slicing device includes: unit video generates unit；
Described unit video generates unit according to the displacement state data of each column in performing at program, the background video play on 4 surfaces of described bottom stage main body and upper surface is carried out cutting, generates the unit video broadcasted on 4 surfaces of each described column and the LED display unit of upper surface；
Wherein, in program is performed, the upper and lower displacement of column of described bottom stage main body, form three-dimensional contouring；The column forming described three-dimensional contouring is moulding column, the unit video of the broadcast orthographic projection in described 4 directions in LED display unit on 4 surfaces of whole described moulding columns is spliced, forms the complete background video play on described 4 surfaces of described three-dimensional contouring；Described 4 surfaces are: above, below, the left side and the right side；Described 4 directions are: forward and backward, left and right.
5. system as claimed in claim 4, it is characterised in that:
Described unit video generate unit read before the stage main body of described bottom, below, the background video play of the left side, the right side and upper surface, read the pixel data of background video image, according to perspective and orthographic projection method, respectively background video is carried out orthographic projection in 5 directions, and the corresponding relation according to the lifting physical quantity of the column in described mechanical data file and time shaft, background video is divided in the LED display unit on column the unit video played out；
Wherein, the unit video of the broadcasting orthographic view in 5 directions in the LED display unit of whole columns is spliced, forms the background video orthographic view in 5 directions.
6. system as claimed in claim 4, it is characterised in that:
Stage ceiling arranges the linear array case that can independently move up and down；
Described unit video generates unit according to the displacement state data of each linear array case in performing at program, the background video play on 4 surfaces of described bottom stage main body and lower surface is carried out cutting, generates the unit video broadcasted on 4 surfaces of each described linear array case and the LED display unit of lower surface；
Wherein, in program is performed, multiple upper and lower displacements of linear array case, form three-dimensional contouring；The multiple linear array casees forming described three-dimensional contouring are moulding linear array case, the unit video of the broadcast orthographic projection in described 4 directions in LED display unit on 4 surfaces of described moulding linear array case is spliced, forms the complete background video play on described 4 surfaces of described three-dimensional contouring；Described 4 surfaces are: above, below, the left side and the right side；Described 4 directions are: forward and backward, left and right.
7. system as claimed in claim 6, it is characterised in that:
Also include simulator, for setting up the stereomodel of stage, the unit video that simulation is play in LED display unit in program performance process, and show the frame broadcast state of the time of broadcasting, the timing node of stage bench-type change and unit video；
Wherein, described simulator is connected with described video slicing device, and obtains described unit video from video slicing device.
8. the system as described in claim 2 to 7 any one, it is characterised in that:
Described background video and unit video are QuickTimeMovie file.
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| CN104581417A (en) * | 2015-01-08 | 2015-04-29 | 深圳市奥拓电子股份有限公司 | Program editing and broadcasting method and device based on LED peripheral screen |
| CN107684731A (en) * | 2016-08-04 | 2018-02-13 | 浙江大丰实业股份有限公司 | Automate stage curtain drawing lift control system |
| CN107684732A (en) * | 2016-08-04 | 2018-02-13 | 浙江大丰实业股份有限公司 | Automate stage curtain drawing lift control method |
| CN111736791A (en) * | 2020-08-07 | 2020-10-02 | 北京理工大学 | Large-scale performance dynamic stage digital display mapping method |
| US11250626B1 (en) | 2020-08-13 | 2022-02-15 | Beijing Institute Of Technology | Virtual stage based on parallel simulation |
| CN111737887B (en) * | 2020-08-21 | 2020-11-24 | 北京理工大学 | Virtual stage based on parallel simulation |
| CN111683210B (en) * | 2020-08-13 | 2020-12-15 | 北京理工大学 | Space-time consistency-based large-scale performance dynamic stage video editing and displaying method |
| CN111701254B (en) * | 2020-08-18 | 2020-11-24 | 北京理工大学 | Parallel acceleration display method for large-scale performance dynamic stage video |
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