CN101521973B - Self-adaptive control system and method of stage screen luminance - Google Patents
Self-adaptive control system and method of stage screen luminance Download PDFInfo
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- CN101521973B CN101521973B CN200910096788XA CN200910096788A CN101521973B CN 101521973 B CN101521973 B CN 101521973B CN 200910096788X A CN200910096788X A CN 200910096788XA CN 200910096788 A CN200910096788 A CN 200910096788A CN 101521973 B CN101521973 B CN 101521973B
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Abstract
The invention discloses a self-adaptive control system and a method of stage screen luminance, integrating stage environment optical parameters, stage light parameters, stories and screen luminance value information of hand control to realize the self-adaptive regulation of the stage screen luminance. The stage environment optical parameters are acquired by a photoelectric sensor, the stage light parameters are obtained by a light controller, the screen luminance parameters required by the stories are read by story configuration files preset by the stage design personnel, and the screen luminance value of the hand control is input on a hand controller by the stage design personnel. The parameters are transmitted to a server, the screen luminance value is solved by adopting a neural networkmodel, the luminance value is sent to a screen luminance controlling lower computer of an LED display screen to control the screen luminance of the LED display screen in real time.
Description
Technical field
The present invention relates to the color curtain of stage digitlization technical field, relate in particular to a kind of adaptive control system and method for stage digitlization screen luminance.
Background technology
Along with the development of society and the progress of science and technology, people's cultural life becomes rich and varied.Watching the part of performance as cultural life to theater, is to cultivate one's taste, obtain the joyful important channel of body and mind.Stage background plays and plays up on-the-spot atmosphere as the important component part of theater stage performance, sets off the important function of stage effect by contrast.The stage background of China's theater performance is traditional soft curtain of extension scape, and the story of a play or opera of each act all need be changed the soft curtain of extension scape and cooperate.Hang the soft curtain of scape and can be divided into hard scape and stage props made from cloth, pliable plastic, or other soft materials: the stage background in kind that hard scape is to use some hard materials (as: wood, foamed plastics, cardboard etc.) to make; Stage props made from cloth, pliable plastic, or other soft materials then is the needs according to the story of a play or opera, by the stage artistic design personnel according to drama and director's requirement, the stage background that on soft cloth, completes by painter and workman after the design sample.The shortcoming that tradition is hung the soft curtain of scape is that design cycle is long, link is many, and whole design cycle comprises the design phase, discusses modification stage and production phase, and its manufacturing process needs many people, repeatedly discusses, repeatedly revises; Tradition is hung the soft curtain of scape and limited by technical conditions, can only can't change the best artistic conception that presents dynamic change stage background along with the story of a play or opera with regard to every act center story of a play or opera design, making stage background; In addition, hang the soft curtain of scape and repeatedly use the back to need to make again because of wearing and tearing, what also be inconvenient to make a performance tour simultaneously carries: therefore, traditional stage is hung the more and more difficult needs that satisfy the theatrical art development of the soft curtain technology of scape.Along with the development of The present computer technology, intelligent control technology, environmental protection shows the maturation application of equipment, and the color curtain of stage digitlization progressively substitutes a traditional stage curtain drawing and carries out the stage background performance.
In American-European countries, the color curtain of digitlization incorporates stage has become indivisible important element in the present art of acting; The important carrier that appears as art of acting, at many experimental performance troupe, U.S. Broadway, large-scale award party such as the Oscar in Europe, in Ge Laimei awards ceremony and the concert, the application of the color curtain of digitlization is very extensive.In China, the color curtain of stage digitlization still is in the starting stage, such as multimedia modern drama " amber ", multimedia music acute " Jinsha ", large-scale epic " golden face imperial court " and some large evening parties, begins to explore and study the application of the color curtain of digitlization; The multimedia material that the color curtain of present domestic digitlization is just simply made the dance & art personnel is rendered on the color curtain of background; Screen luminance can't carry out self adaptation adjustment along with the variation of the story of a play or opera and environment, and this gives setting off story of a play or opera atmosphere by contrast, strengthening performance effect and caused negative effect of the color curtain of digitlization stage background.
Summary of the invention
The objective of the invention is the defective that to adjust voluntarily along with the story of a play or opera and environmental change to existing digitlization screen luminance, a kind of adaptive control system and method for stage screen luminance is provided.The comprehensive stage environment optical parameter of the present invention, light of stage parameter, the story of a play or opera and the screen luminance value information of manually controlling are realized the self adaptation adjustment of stage screen luminance.
The objective of the invention is to realize through following technical scheme:
A kind of adaptive control system of stage screen luminance, it mainly finds the solution the unit by stage environment parameter acquisition unit, auto-adaptive parameter and display unit is connected to form successively; The stage environment parameter acquisition unit is gathered stage environment optical information, light of stage information, story of a play or opera profile information and manually control information, and with these signal input adaptive parametric solution unit; Auto-adaptive parameter is found the solution the unit based on the neural net solving model, according to the signal of stage environment parameter acquisition unit input, the stage parameter of giving different weights is found the solution, and obtains final screen luminance control signal; Display unit is received from the screen luminance control signal that adaptation parameter is found the solution unit output, controls the screen luminance of the LED display of display unit in real time.
Further, said stage environment parameter acquisition unit mainly is made up of photoelectric sensor, lamp dimmer, screen luminance configurator and hand controller; Said photoelectric sensor, lamp dimmer, screen luminance configurator are found the solution the unit with auto-adaptive parameter respectively with hand controller and are linked to each other.
A kind of self-adaptation control method of using the adaptive control system of above-mentioned stage screen luminance may further comprise the steps:
(1) photoelectric sensor of parameter acquisition unit, lamp dimmer, screen luminance configurator and hand controller read environment optical parameter, light parameter, story of a play or opera configuration parameter, manual Control Parameter respectively:
(2) give different weights according to the importance of various environmental parameters to it; According to manual Control Parameter weights, light parameter weights, surround lighting parameter weights, the descending of story of a play or opera configuration parameter weights; The entering auto-adaptive parameter is found the solution the unit and is found the solution, and obtains carrying on the back the screen luminance Control Parameter;
(3) display unit reads the screen intensity information that adaptive unit calculates, and shows through LED display.
The present invention compares with background technology, and the beneficial effect that has is: the present invention is directed to the complexity of light of stage, the stage material is different with layout, the story of a play or opera, promptly goes on stage as a last-minute understudy and aspect needs such as stage special efficacy; Comprehensive stage environment optical parameter, light of stage parameter, the story of a play or opera and the screen luminance value information of manually controlling adopt neural network model to find the solution the screen luminance value, realize the self adaptation adjustment of stage screen luminance; The present invention can be meticulousr the variation of reflection stage environment, make screen intensity serve the requirement of the performance story of a play or opera better, bring better visual experience to spectators.
Description of drawings
Fig. 1 is the adaptive control system composition frame chart of stage screen luminance of the present invention;
Fig. 2 is the light of stage distribution schematic diagram;
Fig. 3 is a stage parameter acquisition unit structured flowchart;
Fig. 4 is based on the auto-adaptive parameter of neural net and finds the solution flow chart;
Fig. 5 is the workflow diagram of adaptive control system.
Embodiment
Principle of the present invention with the contents are as follows:
1, size and the layout according to stage is provided with a plurality of photoelectric sensors, gathers the stage environment optical information by photoelectric sensor, finds the solution the unit through auto-adaptive parameter, adopts neural network model to find the solution the screen luminance value, controls screen luminance in real time; Elimination is because of differences such as stage material, layouts, and the light reflectance that is caused, scattered power difference are to the negative effect of stage visual effect.
2, gather the light parameter of light of stage controller, find the solution the unit, adopt neural network model to find the solution the screen luminance value, control screen luminance in real time through auto-adaptive parameter; Eliminate because performance needs the light of stage quantity of collocation different with layout the different negative effects of the stage illuminated area that is caused to the stage visual effect with brightness.
3, according to the screen luminance of story of a play or opera configuration file correspondence, find the solution the unit, adopt neural network model to find the solution the screen luminance value, control screen luminance in real time through auto-adaptive parameter; The screen luminance that story of a play or opera configuration file is corresponding makes stage background can better set off the story of a play or opera by contrast: under the atmosphere like sadness, what screen luminance will be suitable is darker; Under cheerful and light-hearted atmosphere, what color curtain can be suitable is brighter.
4, by hand controller color curtain is carried out brightness regulation, find the solution the unit, adopt neural network model to find the solution the screen luminance value, control screen luminance in real time through auto-adaptive parameter; Hand controller has better flexibility, handle promptly go on stage as a last-minute understudy, stage follows spot to the stage special efficacy of profile the deviation that can correct unit such as transducer simultaneously.
Specify the present invention below in conjunction with accompanying drawing and embodiment, it is more obvious that the object of the invention and effect will become.
As shown in Figure 1, the adaptive control system of stage screen luminance of the present invention finds the solution the unit by stage environment parameter acquisition unit, auto-adaptive parameter and display unit is connected to form successively.The stage environment parameter acquisition unit is gathered stage environment optical information, light of stage information, story of a play or opera profile information and manually control information, and with these signal input adaptive parametric solution unit; Auto-adaptive parameter is found the solution the unit based on the neural net solving model, according to the signal of stage environment parameter acquisition unit input, the stage parameter of giving different weights is found the solution, and obtains final screen luminance control signal; The slave computer of display unit control LED display screen luminance is received from the screen luminance value that adaptation parameter is found the solution unit output, controls the LED display screen luminance of display unit in real time.
The kind of modern theatrical stage is various, is divided into picture-frame stage, reach stage, island formula stage, flight data recorder stage etc., and the stage form differs, and the configuration of light also is not quite similar; For convenience's sake, the present invention is an example with the picture-frame stage of main flow only, describes the layout structure of photoelectric sensor.
As shown in Figure 2, stage is to be divided in the entablature and the outer two parts of entablature with the entablature.
In the entablature part have top light, post light, top row's light, arrange light, day row's light etc.
1) top light is the spotlight lamp at big top behind the scenes, generally is contained on the liftable suspension bridge, also can be contained on the suspension rod, mainly is projeced into the postmedian Performance Area, is installed as in proper order backward from teaser: a top light, two top lights, three top lights, four top lights;
2) light fixture of post light both sides in the stage curtain is contained in above " telescopic movable entablature " or is contained on the vertical brandreth, and light is from the inboard Performance Area of investing of entablature.Can be described as two road post light, three road post light etc. in order inwards.Be also referred to as ladder light, interior sidelight, interior slap on the face.
3) the only bank light on stage top is arranged on the top, is contained on the suspension rod of per pass eaves limit behind the scenes, forms several rows of lamp, becomes row's light, two row's light, three row's light etc.
4) arrange light and be located at before the canopy of the heavens on the platen, or in the ad hoc trench, be to face upward the light fixture of penetrating the canopy of the heavens.Use plastics like the canopy of the heavens, also can light fixture be placed on day ground behind the scenes and beat backlight.
5) day row's light is installed on the suspension rod on apron top, the canopy of the heavens, is the light fixture that the canopy of the heavens uses of shooting downward specially.
The light of entablature exterior portions is divided into face light, slap on the face, ambient light, the chamber etc. of following spot at a distance.
1) face light is contained in outside the stage curtain, and the lamp at top, auditorium has first road, the second road face light modulation, and railway carriage or compartment, the building face light modulation of back, middle part spotlight etc. also have similar effect.
2) slap on the face branch left and right sides slap on the face, be contained in the position of the outer left and right sides of stage curtain near entablature, light is invested on-stage from the side.
3) ambient light is at the arenas part light fixture installed of auditorium both wings upstairs, and light is invested Performance Area before the stage from both sides.
4) be responsible for to the eminence that is located at the gallery rear chamber of following spot at a distance, is used for giving local feature to the stage throw light.
As shown in Figure 3, the stage environment parameter acquisition unit mainly is made up of photoelectric sensor, lamp dimmer, screen luminance configurator and hand controller.Photoelectric sensor, lamp dimmer, screen luminance configurator are found the solution the unit with auto-adaptive parameter respectively with hand controller and are linked to each other.Photoelectric sensor is gathered the stage environment optical parameter, and the light of stage parameter is obtained from lamp dimmer, and the screen luminance configurator reads the screen luminance Parameter File with story of a play or opera variation that the dance & art personnel preset; Dance & art personnel then import the parameter of screen luminance by the hand controller interface; Above-mentioned parameter is uploaded through the conversion of DMX512-A transducer, finds the solution the unit with auto-adaptive parameter and links to each other; Auto-adaptive parameter is found the solution the unit based on the neural net solving model, and the signal of input stage parameter acquisition unit output is found the solution the stage parameter of giving different weights, obtains final screen luminance control signal.Lamp dimmer can adopt the Guangzhou Milky Way bright encourage the LED-NLC-008 of electronics lamp decoration factory.The DMX5112-A protocol converter can adopt the USB-DMX512stagecontroller of Co., Ltd of Kona global group; The screen luminance configurator can adopt the dark pioneer A80386DX25DSP of scientific & trading Co., Ltd. in port, Beijing, and hand controller can adopt the 192DMX controller of Guangzhou smart brilliant scape light of stage equipment Co., Ltd.Photoelectric sensor can adopt the EE-SX129 of OmRon company.
As shown in Figure 4, find the solution flow chart based on the auto-adaptive parameter of neural net and adopt neural net to find the solution screen luminance.Neural net, it is as to the simplest a kind of abstract and simulation of human brain, is widely used in function approximation problem.Single neuron with the input of N dimension is by input X=(x
1, x
2..., x
n), network weight W=(w
1, w
2..., w
n) and the value of cutting off from θ, sum unit, activation primitive and output composition.The stage parameter is promptly found the solution the X in the unit; Comprise surround lighting information, light information, story of a play or opera parameter information, the manually control information of multichannel; Neural node input as neural net; Importance according to four types of parameters can be provided with different weights for parameter, and the importance of weights by the sequence arrangement of successively decreasing is manual Control Parameter, story of a play or opera parameter, light of stage parameter, surround lighting parameter; Simultaneously give different weights respectively to the parameter information of multichannel according to the position and the influence power of light, as the weights of follow spot light than the weights of light big.Threshold value θ has determined the convergence rate of finding the solution of parameter, and threshold value is more little, and convergence rate is slow more, and the precision of finding the solution is high more.The selection of activation primitive and summing function has several different methods, adopts the improved neural network algorithm of quasi-Newton method that standardized parameter information is carried out state space in this instance and finds the solution.
As shown in Figure 5, the self-adaptation control method of stage screen luminance of the present invention may further comprise the steps:
1, the photoelectric sensor of parameter acquisition unit, lamp dimmer, screen luminance configurator and hand controller read environment optical parameter, light parameter, story of a play or opera configuration parameter, manual Control Parameter respectively.
2, give different weights according to the importance of various environmental parameters to it; According to manual Control Parameter weights, light parameter weights, surround lighting parameter weights, the descending of story of a play or opera configuration parameter weights; The entering auto-adaptive parameter is found the solution the unit and is found the solution, and obtains carrying on the back the screen luminance Control Parameter.
3, display unit reads the screen intensity information that adaptive unit calculates, and shows through LED display.
More than be merely preferred embodiment of the present invention, be not limited to the present invention, all any modifications of within spirit of the present invention and principle, being done are equal to replacement and improvement etc., all should be included within the protection of the present invention.
Claims (2)
1. the adaptive control system of a stage screen luminance is characterized in that, it mainly finds the solution the unit by stage environment parameter acquisition unit, auto-adaptive parameter and display unit is connected to form successively; The stage environment parameter acquisition unit is gathered stage environment optical information, light of stage information, story of a play or opera profile information and manually control information, and with these signal input adaptive parametric solution unit; Auto-adaptive parameter is found the solution the unit based on the neural net solving model; Signal according to the input of stage environment parameter acquisition unit; Stage parameter to giving different weights is found the solution; Obtain the screen luminance value, the screen luminance control slave computer of the LED display of display unit is received from the screen luminance control signal that adaptation parameter is found the solution unit output, controls the screen luminance of the LED display of display unit in real time; Said stage environment parameter acquisition unit mainly is made up of photoelectric sensor, lamp dimmer, screen luminance configurator and hand controller; Said photoelectric sensor, lamp dimmer, screen luminance configurator are found the solution the unit with auto-adaptive parameter respectively with hand controller and are linked to each other.
2. an application rights requires the self-adaptation control method of the adaptive control system of 1 said stage screen luminance, it is characterized in that, may further comprise the steps:
(1) photoelectric sensor of stage environment parameter acquisition unit, lamp dimmer, screen luminance configurator and hand controller read environment optical parameter, light parameter, story of a play or opera configuration parameter, manual Control Parameter respectively;
(2) give different weights according to the importance of various environmental parameters to it, according to manual Control Parameter weights, light parameter weights, surround lighting parameter weights, the descending of story of a play or opera configuration parameter weights, the entering auto-adaptive parameter is found the solution the unit and is found the solution; Auto-adaptive parameter is found the solution the unit based on the neural net solving model, according to the signal of stage environment parameter acquisition unit input, the stage parameter of giving different weights is found the solution, and obtains carrying on the back the screen luminance Control Parameter;
(3) display unit reads the screen intensity information that adaptive unit calculates, and shows through LED display.
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