CN203554552U - Background video system of stage - Google Patents
Background video system of stage Download PDFInfo
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- CN203554552U CN203554552U CN201320304051.4U CN201320304051U CN203554552U CN 203554552 U CN203554552 U CN 203554552U CN 201320304051 U CN201320304051 U CN 201320304051U CN 203554552 U CN203554552 U CN 203554552U
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Abstract
The utility model discloses a background video system of a stage. A video server sends background videos to an LED video processor through a DVI, and the LED video processor sends the background videos to an LED display screen through the DVI and controls the LED display screen to play the background videos. According to the background video system of the stage, the background videos can be played on the LED display screen arranged on the stage, space shaping which combines a mechanical stage with the videos can be presented in an all-around mode, various service requirements from director design to scheme implementation are met, and powerful support can be provided for stage presentation.
Description
Technical field
The utility model relates to video slicing technical field, relates in particular to a kind of background video system of stage.
Background technology
In recent years, follow the development of modern stage technique, stage expressive space is also increasing, artistic expression strengthens greatly, not only more and more higher to the performance requirement of stage structure, the technology that realizes also improves thereupon, and numeral performance is as the product of information age digital technology development, realize art of acting and combine with engineering, make art of acting digitlization, systematization, intellectuality.
In current stage artistic design, conventionally need dynamic background, usually play some background videos.Therefore the background video system that, needs a kind of stage.
Summary of the invention
In view of this, a technical problem to be solved in the utility model is to provide a kind of background video system of stage, in the LED display that can arrange before the lights, plays background video.
A background video system for stage, comprising: video server, LED video processor and be arranged on the LED display on stage surface; Described video server sends to described LED video processor by DVI interface by background video; Described LED video processor sends to described LED display by DVI interface by described background video, and controls described LED display and play described background video; Wherein, described stage comprises: scaling ladder device, bottom stage main body, stage ceiling and be positioned at the screen main body of described bottom stage main body top.
According to an embodiment of the present utility model, further, described LED display is spliced by polylith LED display unit; Wherein, broadcast unit video in each LED display unit; The unit video of playing in LED display unit is spliced, form described background video.
According to an embodiment of the present utility model, further, also comprise video slicing device; Described video slicing device is broadcast unit video in each LED display unit by described background video cutting, and described unit video is sent to described video server.
According to an embodiment of the present utility model, further, described bottom stage main body comprises the column of a plurality of adjacent settings, the lifting independently of each column; Before described column, below, the left side, the right side and upper surface all arrange the LED display unit of a 1m*1m; Described bottom stage main body is divided into a plurality of regions; Corresponding to a plurality of described video servers of described a plurality of region divisions, store respectively the unit video of playing in the LED display unit in each region.Wherein, in program performance, the upper and lower displacement of column of described bottom stage main body, forms three-dimensional contouring; The column that forms described three-dimensional contouring is moulding column, the unit video broadcasting in 4 lip-deep LED display units of whole described moulding columns is spliced in the orthographic projection of described 4 directions, form the complete background video of playing 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 an embodiment of the present utility model, further, also comprise simulator, also comprise simulator; Wherein, described simulator is connected with described video slicing device, and obtains described unit video from video slicing device.
The background video system of stage of the present utility model, in the LED display that can arrange before the lights, play background video, the spatial modelling that can omnibearingly present mechanical stage and video combination, meet from director and be designed into the miscellaneous service demands such as scheme implementation, for stage presents, provide strong support.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to the schematic diagram of an embodiment of the background video system of stage of the present utility model;
Fig. 2 is the subregion schematic diagram of bottom stage main body;
Fig. 3 is according to the schematic diagram of the video slicing device of the background video system of stage of the present utility model.
Embodiment
With reference to the accompanying drawings the utility model is described more fully, exemplary embodiment of the present utility model is wherein described.Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is according to the flow chart of an embodiment of the background video system of stage of the present utility model.As shown in Figure 1: the background video system of stage comprises: video server 12,13, LED video processor 14 and be arranged on the LED display 11 on stage surface.
According to an embodiment of the present utility model; owing to making the demand of picture; first need to calculate according to the LED screen specification of using and size the resolution of broadcasting picture; conventionally can carry out distribution server according to the size of picture; one station server is exportable 4 DVI coffrets at most; the maximum output resolution ratio of each DVI coffret is 1920*1200, the demonstration of LED Video Controller major control video, and each LED Video Controller is DVI coffret of corresponding control.As needed in figure below, realize the normal play of the picture that a picture size is 2304*2352, length and width all exceed a DVI interface output picture, need 3 DVI outputs, namely need 3 controllers.
According to an embodiment of the present utility model, video slicing device 15 is broadcast unit video in each LED display unit by background video cutting, and unit video is sent to video server 12,13.Screen cutting, Video segmentation, refers to image or video sequence is become to region by certain Standard Segmentation.
The bottom mechanical movement column of stage main body and the linear array case moulding at top are large features of 2013 Spring Festival Gala stages, all adopt machinery to control design, by the input of mechanical data, the tableaux that presents the music node that coincide, the LED screen for video playback is all laid at column four sides, makes the video of its broadcasting have particularity.
Due in program, mechanical elevating forms the various three-dimensional contourings of stage, how to realize that to control accurately mechanical elevating be a great problem, also will realize the lifting platform cooperation of four facade videos all around and play.
According to an embodiment of the present utility model, as shown in Figure 2, bottom stage main body comprises the column of a plurality of adjacent settings, the lifting independently of each column.Before column, below, the left side, the right side and upper surface all arrange the LED display unit of a 1m*1m.Bottom stage main body is divided into a plurality of regions.
Corresponding to a plurality of video servers of a plurality of region divisions, store respectively the unit video of playing in the LED display unit in each region.
Bottom stage main body video resolution is larger, and 33 row 17 row liftable regions, according to size and server distribution mode, can be divided into five region: B1, B2, B3, B4, B5.Video can hold and should be able to carry out corresponding mobile variation according to stretch/moving up and down of lift-type screen.Due to the restriction of screen size, require video to form unified dance & art effect by means such as splicings.
Huge due to lifting platform LED quantity, the largest passages that we can play in conjunction with server and the reasonability of video production are carried out classification design to stage LED, B1 district: 3m*2m/ piece, high 1m.B2(B3 district is same): 2m*2m/ piece, high 1m.B4 district: 1m*1m, high 4.5m.B5 district: 1m*1m, high 1m.
Video server is controlled screen processor by DVI interface, then by screen processor, is gone to control demonstration and the broadcasting of every screen of lifting platform.Every maximum 4 DVI interfaces of video server, DVI interface requirement output resolution ratio is up to 1920*1200.
Lifting column to zones of different, such as B1 district resolution 2304*512(horizontal 3 vertical 2), take 2 DVI mouths, if but change threading mode into 1536*768, (horizontal 2 vertical 3) only need to take 1 DVI mouth.B2, B3 district resolution 2048*1536(horizontal 4 vertical 6 for another example), wide height is all more than 1K, need to take 4 road DVI, uses 1 station server, if change threading mode into horizontal 6, indulges 4, and resolution becomes 1536*2048, only needs 2 DVI interfaces.The picture of these 3 interfaces can be spliced into the picture of a 4K like this, by a video server, is controlled.
According to an embodiment of the present utility model, by calculating, the physical size of stage is carried out to three-dimensional modeling, generation can be read in stage set 3DS file, according to the key frame technology of three-dimensional animation, adopt the MEL Script Programming of three-dimensional software, realize the basic geometric modeling data of resolving in stage set, analysis space position relationship, thereby extract the data message of stage set, comprise stage block motion height etc., store data in CUE formatted file and export, and using this as the foundation of controlling true mechanical stage equipment motion, provide accurate, feasible design guarantee.
Fig. 3 is according to the schematic diagram of the video slicing device of the background video system of stage of the present utility model.Video slicing device 12,13 comprises: unit video generation unit 31.
Unit video generation unit 31 is according to the displacement state data of each column in program performance, the background video that 4 surfaces at bottom stage main body and upper surface are play carries out cutting, is created on the unit video broadcasting on 4 surfaces of each column and the LED display unit of upper surface.
In program performance, the upper and lower displacement of column of bottom stage main body, forms three-dimensional contouring.The column that forms three-dimensional contouring is moulding column, and the unit video broadcasting in 4 lip-deep LED display units at whole moulding columns is spliced in the orthographic projection of 4 directions, forms the complete background video of playing 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 there will not be the situation of blocking, and therefore, does not need to consider the upper and lower displacement of column.
Background video is carried out editing in frame generation unit video.Editor is exactly in so-called frame, in some moment, the pixel of a certain content frame of video is edited to (shear, paste, change color, filling, movement etc.), thereby affects accordingly all content frames in a period of time from this moment.In frame, editor only limits to the making of picture-in-picture.
Column mechanical data production unit 32 is numbered whole columns of bottom stage main body, and according to column the position at bottom stage main body, generate the two-dimensional array represent whole columns.
Obtain the displacement state data of each column in program performance, traversal two-dimensional array, records the lifting physical quantity of every root post and the corresponding relation of time shaft, generates the mechanical data file for video cutting.Corresponding relation comprises: the motion starting position of column, the home position of column and corresponding time.
Size and the resolution of video change along with mechanical movement, except the dimension scale that should consider, by the analysis of mechanical control system for stage further being understood to mechanical control and being summed up identification of mechanical data etc., the 3D machinery of realizing the extraction of mechanical data and completing computer model presents.
According to an embodiment of the present utility model, the basic geometric modeling data in 32 pairs of stage set files of column mechanical data production unit are resolved, and calculate the spatial relation of stage, and utilize stage emulated data module by its result output.
Unit video generation unit 31 read in bottom stage main body before, 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 to orthographic projection in 5 directions, and according to the lifting physical quantity of the column in mechanical data file and the corresponding relation of time shaft, background video is divided into the unit video of playing in the LED display unit on column.Wherein, the unit video of playing in the LED display unit at whole columns is spliced at the orthographic view of 5 directions, form background video at the orthographic view of 5 directions.
According to an embodiment of the present utility model, the sequence of video images that unit video generation unit 31 is processed is the front view of 4 faces.Pass through interface alternation, video image is called in to internal memory, the pixel data of reading images, according to perspective, projection law, it is divided into some unit sub-block by row, column coordinate, in the mode of parallel pipeline, the pixel data of all images is edited according to specified rule, copy the data in video image repartition territory, source the correspondence position of object video image to, thereby realize the restructuring of cutting apart in video data frame.
If designed the variation of lifting platform bench-type in a program, the animation of background video and the animation of knee type are all to arrange according to its timing node is unified, because video itself is also to carry out control progress by timing node, the animation of stage bench-type changes also mainly to be controlled by timing node, in static, represent that previous frame bench-type is all the same with this frame and next frame, so as long as guarantee the consistent of timing node when making video and making bench-type animation, the state that can reach so for a long time video playback and lifting column matches.
According to an embodiment of the present utility model, according to the parsing to stage three-dimensional modeling, mainly for ground rise or fall platform cast animation, analyze with data and extract.In conjunction with the analysis of actual bench-type, initial state may be only level, i.e. inactive state.Due to 304, district of mechanical major control B lifting column, in motion process, be mainly divided into rising, decline and static three kinds of states.
For realizing machinery, control the control to the elevating movement of stage column, by each pillar numbering, the rule of numbering is simple and clear, be easy to conclude, the identification of computer to stage lifting column numbering, is more conducive to director and the familiar with understanding of performer to stage, the interim modification of creative plan.Numbered pillar, according to the subregion to stage above, and is resolved to the size of synthetic target video material, and pinup picture on the simulation model as the file destination generating in computer, is convenient to show the lifting of column and the modification of data in three-dimensional animation roaming.
According to an embodiment of the present utility model, the linear array case 21 that can independently move up and down is set on stage ceiling.
Unit video generation unit 31 is according to the displacement state data of each linear array case in program performance, the background video that 4 surfaces at bottom stage main body and lower surface are play carries out cutting, is created on the unit video broadcasting on 4 surfaces of each linear array case and the LED display unit of lower surface.
In program performance, the upper and lower displacement of a plurality of linear array casees, forms three-dimensional contouring.A plurality of linear array casees that form three-dimensional contouring are moulding linear array case, the unit video broadcasting in 4 lip-deep LED display units of moulding linear array case is spliced in the orthographic projection of 4 directions, form the complete background video of playing 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, the same to the lifting platform of the processing mode of linear array case side video and stage main body.Large wing flats is such as in stage in 2013 Spring Festival Galas, the time point of the video of each screen is according to music is unified, to arrange when video production, even so play at different structure, as long as video playback server does not have the time delay states such as card machine, the content form of playing on each screen is consistent.Owing to the video area of whole stage being divided in advance, what every station server was controlled is the video content of zones of different, is relatively independent.
According to an embodiment of the present utility model, by simulator 16, set up the three-dimensional model of stage, the unit video that simulation is play in LED display unit in program performance process, and the time displaying the play, the timing node of stage bench-type variation and the frame broadcast state in unit video, can the video of making be selected, shears, moves, pastes, be filled and generate according to the video sequence of specified rule.There is good interactive interface, click and play, as need suspend or stop ongoing operation, click and suspend or stop button, the timing node that the time of playing according to the time feedbacking animation showing on state interface and bench-type change.
According to an embodiment of the present utility model, background video and unit video are QuickTimeMovie file.
The background video system of stage of the present utility model, the spatial modelling that can omnibearingly present mechanical stage and video combination, utilize artificial intelligence and emulation technology, can live preview, security evaluation, can carry out to dance & art intention displaying and the recruitment evaluation of high confidence level, meet from director and be designed into the miscellaneous service demands such as scheme implementation, and state, position and the various inner parameters etc. of exportable dance & art intention in simulation process, also can directly output in true stage machinery system, reach actual situation combination, for stage presents, provide strong support.
May realize in many ways method and system of the present utility model.For example, can realize method and system of the present utility model by any combination of software, hardware, firmware or software, hardware, firmware.The said sequence that is used for the step of method is only in order to describe, and the step of method of the present utility model is not limited to above specifically described order, unless otherwise specified.In addition, in certain embodiments, also the utility model can be embodied as to the program being recorded in recording medium, these programs comprise for realizing the machine readable instructions according to method of the present utility model.Thereby the utility model also covers storage for carrying out according to the recording medium of the program of method of the present utility model.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the utility model design is suitable for special-purpose.
Claims (5)
1. a background video system for stage, is characterized in that, comprising:
Video server, LED video processor and be arranged on the LED display on stage surface;
Described video server sends to described LED video processor by DVI interface by background video; Described LED video processor sends to described LED display by DVI interface by described background video, and controls described LED display and play described background video;
Wherein, described stage comprises: scaling ladder device, bottom stage main body, stage ceiling and be positioned at the screen main body of described bottom stage main body top.
2. the system as claimed in claim 1, is characterized in that:
Described LED display is spliced by polylith LED display unit;
Wherein, broadcast unit video in each LED display unit; The unit video of playing in LED display unit is spliced, form described background video.
3. system as claimed in claim 3, is characterized in that:
Also comprise video slicing device;
Described video slicing device is broadcast unit video in each LED display unit by described background video cutting, and described unit video is sent to described video server.
4. system as claimed in claim 3, is characterized in that:
Described bottom stage main body comprises the column of a plurality of adjacent settings, the lifting independently of each column; Before described column, below, the left side, the right side and upper surface all arrange the LED display unit of a 1m*1m;
Described bottom stage main body is divided into a plurality of regions; Corresponding to a plurality of described video servers of described a plurality of region divisions, store respectively the unit video of playing in the LED display unit in each region;
Wherein, in program performance, the upper and lower displacement of column of described bottom stage main body, forms three-dimensional contouring; The column that forms described three-dimensional contouring is moulding column, the unit video broadcasting in 4 lip-deep LED display units of whole described moulding columns is spliced in the orthographic projection of described 4 directions, form the complete background video of playing 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, is characterized in that:
Also comprise simulator;
Wherein, described simulator is connected with described video slicing device, and obtains described unit video from video slicing device.
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| CN201320304051.4U CN203554552U (en) | 2013-05-30 | 2013-05-30 | Background video system of stage |
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| CN201320304051.4U CN203554552U (en) | 2013-05-30 | 2013-05-30 | Background video system of stage |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008710A (en) * | 2014-04-24 | 2014-08-27 | 郑勇 | Method for dynamically displaying pictures by using arrayed type telescopic rods |
| CN103281480B (en) * | 2013-05-30 | 2016-07-06 | 中央电视台 | A kind of background video system of stage |
| CN111701255A (en) * | 2020-08-19 | 2020-09-25 | 北京理工大学 | Universal large-scale performance dynamic stage video display method |
| CN111709157A (en) * | 2020-08-24 | 2020-09-25 | 北京理工大学 | General virtual stage parallel simulation system |
| CN112863256A (en) * | 2021-01-18 | 2021-05-28 | 焦作大学 | Economic management learns teaching and uses combination formula teaching aid |
| US11250626B1 (en) | 2020-08-13 | 2022-02-15 | Beijing Institute Of Technology | Virtual stage based on parallel simulation |
-
2013
- 2013-05-30 CN CN201320304051.4U patent/CN203554552U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103281480B (en) * | 2013-05-30 | 2016-07-06 | 中央电视台 | A kind of background video system of stage |
| CN104008710A (en) * | 2014-04-24 | 2014-08-27 | 郑勇 | Method for dynamically displaying pictures by using arrayed type telescopic rods |
| US11250626B1 (en) | 2020-08-13 | 2022-02-15 | Beijing Institute Of Technology | Virtual stage based on parallel simulation |
| CN111701255A (en) * | 2020-08-19 | 2020-09-25 | 北京理工大学 | Universal large-scale performance dynamic stage video display method |
| CN111701255B (en) * | 2020-08-19 | 2020-11-13 | 北京理工大学 | Universal large-scale performance dynamic stage video display method |
| US20220059053A1 (en) * | 2020-08-19 | 2022-02-24 | Beijing Institute Of Technology | Video display method, video display system, electronic device, and storage medium |
| US11620965B2 (en) * | 2020-08-19 | 2023-04-04 | Beijing Institute Of Technology | Video display method, video display system, electronic device, and storage medium |
| CN111709157A (en) * | 2020-08-24 | 2020-09-25 | 北京理工大学 | General virtual stage parallel simulation system |
| CN111709157B (en) * | 2020-08-24 | 2020-12-08 | 北京理工大学 | General virtual stage parallel simulation system |
| CN112863256A (en) * | 2021-01-18 | 2021-05-28 | 焦作大学 | Economic management learns teaching and uses combination formula teaching aid |
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Granted publication date: 20140416 Termination date: 20190530 |