CN204423417U - Movie theatre information acquisition system - Google Patents
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- CN204423417U CN204423417U CN201420857336.5U CN201420857336U CN204423417U CN 204423417 U CN204423417 U CN 204423417U CN 201420857336 U CN201420857336 U CN 201420857336U CN 204423417 U CN204423417 U CN 204423417U
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Abstract
The utility model provides a kind of movie theatre information acquisition system.The utility model movie theatre information acquisition system, comprising: collector, processor, storer and manager; Wherein, described collector, described processor, described storer are connected by bus with described manager; Described collector is for gathering movie theatre information; Described movie theatre information comprises: passenger flow information, audio-frequency information, expression information and review information; Described processor, for carrying out identifying processing to the described movie theatre information collected; Described storer, for storing information; Described manager, for carrying out information configuration and rights management to described collector, described processor and described storer.The efficiency of the utility model statistics is higher, and substantially increases passenger flow demographics accuracy, can analyze the sense of reality of viewing spectators more accurately.
Description
Technical field
The utility model relates to technical field of data processing, particularly relates to a kind of movie theatre information acquisition system.
Background technology
The healthy benign development of Chinese film needs powerful financial support, needs box office data aid decision making accurately simultaneously.The tax-controlling device that the marketing system that the box office statistics of current China on the one hand mainly comes from cinema is installed, but spectators buy film ticket by other channels such as group buying websites, therefore there is the not statistical uncertainty true problem in box office, the mode of manual oversight is also adopted to add up box office on the one hand in addition, statistical efficiency is low, accuracy is low, therefore the box office data of the current film industry of China, in fact and be not equal to the real passenger flow of movie theatre.
Further, the simple box office data that use can not reflect the true hobby of spectators to film fully.First because film is one-time consumption product, spectators, after booking admission, even if do not like very much the film broadcast, also can only adopt the mode left in advance to stop consumption, cannot return the booking fund paid; Next publicity capacity due to film distributor side, financial resources and the ability of control screening working days are had nothing in common with each other, and occupy again the film of gold working days, can cause certain viewer preference illusion if any advantage publicity.
Utility model content
The utility model provides a kind of movie theatre information acquisition system, can realize the real passenger flow statistics of movie theatre, fully reflects the sense of reality of spectators to film.
The utility model provides a kind of movie theatre information acquisition system, comprising:
Collector, processor, storer and manager;
Wherein, described collector, described processor, described storer are connected by bus with described manager;
Described collector is for gathering movie theatre information; Described movie theatre information comprises: passenger flow information, audio-frequency information, expression information and review information;
Described processor, for carrying out identifying processing to the described movie theatre information collected;
Described storer, for storing information;
Described manager, for carrying out information configuration and rights management to described collector, described processor and described storer.
Alternatively, described collector comprises:
Be positioned at video camera or infrared counting device, the video camera being positioned at Movie House and the ballot device of Movie House gateway.
Alternatively, the described video camera being positioned at Movie House gateway is arranged on the top in region to be counted;
Described infrared counting device is arranged on the top in region to be counted, and the ground in described region to be counted adopts the material of dark Absorbable rod Infrared.
Alternatively, the described video camera being positioned at Movie House comprises:
Low-light video camera, thermal camera and thermal imaging camera.
Alternatively, the quantity of described low-light video camera is two, and is symmetricly set in described Movie House;
The quantity of described thermal camera is two, and is symmetricly set in described Movie House.
Alternatively, also comprise:
Wireless Fidelity WiFi equipment is connected with described bus, and described ballot device is wireless ballot device.
Alternatively, described storer comprises: local storage and cloud storage.
Alternatively, described processor comprises: embedded digital signal transacting dsp processor.
Alternatively, also comprise: display, be connected with described bus, for showing the result after described processor identifying processing.
The utility model movie theatre information acquisition system, comprising: collector, processor, storer and manager; Wherein, described collector, described processor, described storer are connected by bus with described manager; Described collector is for gathering movie theatre information; Described movie theatre information comprises: passenger flow information, audio-frequency information, expression information and review information; Described processor, for carrying out identifying processing to the described movie theatre information collected; Described storer, for storing information; Described manager, for carrying out information configuration and rights management to described collector, described processor and described storer, the efficiency of statistics is higher, and substantially increase passenger flow demographics accuracy, further, the sense of reality of viewing spectators also can be analyzed more accurately by gathering audio-frequency information, expression information and review information.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model movie theatre information acquisition system one embodiment;
Fig. 2 is the network topological diagram of the passenger flow statistics of the utility model embodiment;
Fig. 3 is the installation site schematic diagram one of the utility model embodiment video camera;
Fig. 4 is the installation site schematic diagram two of the utility model embodiment video camera;
Fig. 5 is the processing procedure principle schematic of the audio-frequency information of the utility model embodiment;
Fig. 6 is the analysis process schematic diagram one of the utility model embodiment;
Fig. 7 is the analysis process schematic diagram two of the utility model embodiment.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Due to the generic term " box office " of the film industry of current China, in fact and be not equal to movie theatre real " passenger flow ".Need to be screened by the video by the modern times, application system that audio frequency examination, cloud storage, the high-tech means such as cloud computing set up a programming count viewing passenger flow number, and should by with the incoherent third party of box-office income private mechanism fair, just and open run extremely urgent.The collection of China's box office data needs more advanced automatic passenger flow counting system and escorts, and directly applies the high-tech means such as video, audio frequency screening techniques and cloud storage, cloud computing to obtain the significant technology innovation that spectators' passenger flow data is China's film industry research field.
And viewing mood is gathered by facial expression screening techniques during the viewing of spectators, obtain the directly perceived reaction of spectators during viewing by contributing to film research institution of China with film making making side.Facial expression screening techniques is an important branch in large market demand field in global range, and this technology is adopted in experiment or applied environment by Google's glasses, security system etc.At movie theatre by shooting spectators facial expression, screen the viewing mood of spectators, comprise multinomial technical finesse main points and difficult point, this technology application direction still belongs to the first time in China's film industry field.
Viewing mood can also be gathered by the survey of mobile terminal during the viewing of spectators, contribute to film research institution of China equally and obtain the direct feel of spectators during viewing with film making making side and directly evaluate.
China's viewership ratings acquisition mode in the past adopts the modes such as the character analysis of survey afterwards, on the net mhkc or forum to obtain usually.The collection of this viewing comment has certain effect, and the post-project evaluating of spectators also can reflect that considerable viewing is experienced.But in the collection of viewing real-time comments, China's film industry is still in space state.
Fig. 1 is the structural representation of the utility model movie theatre information acquisition system one embodiment, and as shown in Figure 1, the movie theatre information acquisition system 100 of the present embodiment, can comprise:
Collector 10, processor 11, storer 12 and manager 13;
Wherein, described collector 10, described processor 11, described storer 12 are connected by bus 14 with described manager 13;
Described collector 10 is for gathering movie theatre information; Described movie theatre information comprises: passenger flow information, audio-frequency information, expression information and review information;
Described processor 11, for carrying out identifying processing to the described movie theatre information collected;
Described storer 12, for storing information;
Described manager 13, for carrying out information configuration and rights management to described collector 10, described processor 11 and described storer 12.
Specifically, collector 10 can pass through camera acquisition vision signal, and carry out analytic statistics passenger flow by processor 11, processor 11 can by software simulating.Be evaluating objects based on human body head in camera acquisition video and shoulder shape, add up by passenger flow by the setting in region and direction, adopt advanced recognizer to increase substantially statistics accurate rate and can meet application requirement completely.
As adopted based on moving target intelligent-tracking and screening techniques, and by artificial neural network (ANN), key feature coupling scheduling algorithm and Intelligent statistical model, the moving object of specifying in single or multiple video monitoring regional is followed the tracks of, the principle that Land use models is screened and method detect moving object and screen, judge whether it is human body, thus accurately detect by this region client number information.By Video Motion Detection, intellectual analysis, key feature coupling, extract human body key feature (getting rid of the interference of the objects such as arm, legs and feet, knapsack, luggage, clothes, cap) and process in real time.In real time motion analysis, target following and tagsort are carried out to pedestrian, accurately detect the passenger flow number information by region.
The audio collecting device generally having sound card and microphone that video camera can be utilized to carry due to Indoor Video video camera gathers as audio collection device.
Collector 10 can also gather the audio-frequency information in the cinema projection Room, the audio-frequency information collected carries out identifying processing by processor 11, as adopted statistical model screening techniques to carry out identifying processing, from the audio-frequency information of input, extract feature, for acoustic model, language model process.Meanwhile, the signal transacting in some early stages can also be carried out before treatment, to reduce the impact that the factors such as neighbourhood noise, channel, speaker cause feature extraction as far as possible.
By the division of film-maker to the distinctive circumstance of film, processor 11 contrasts spectators' audio-frequency information and Expected Results in viewing process under the plot that each are different, realize viewing impression to analyze, collect to reach and screen the repercussion of spectators in this plot process, more objectively reflecting film plot effect.
Collector 10, can be supported in after data processor, while not revealing spectators' facial image, expression information is passed to processor 11, and processor 11 is analyzed described expression information.Its ultimate principle is regularly taken pictures by video camera, by screening the expression information of spectators' face in light region in the middle of photo, again these data analysis and process, finally by database matching for spectators' facial expression information carries out skewed popularity score, give spectators' mood label that everybody can screen expression information, finally gather proprietary mood label, for certain film in Movie House play during overall atmosphere provide as overall label such as " happy, sad, dull, terrified, puzzled, hypnosis ".These scores are by of great advantage for the film making level improving making side, and it can allow director and producer understand the direct emotional reactions that spectators watch film in true environment.Meanwhile, will designated program be designed in native system, not support image data storing function.After video camera is taken pictures and is obtained picture, viewer expression information is integrated by screening software as human face expression in processor, overall mood for viewing crowd plays a label, sending this mood label back will be the data be uniquely stored, once after capturing the received process of mood label, the related datas such as original image will be deleted automatically.
Collector 10 can also gather review information, and as runed unit realization by advertisement, can provide message of film and TV propelling movement, message of film and TV inquiry, movable interaction etc., in collection movie theatre, spectators are to the review information of film.Movie theatre provides the basic network service of Wireless Fidelity WiFi, the mobile terminal connecting wireless network of spectators by carrying, participates in interactive, comments on film, or the terminal device of spectators by placing in Movie House, as hand-held ballot device carries out voting or commenting on.
The present embodiment, movie theatre information acquisition system, comprising: collector, processor, storer and manager; Wherein, described collector, described processor, described storer are connected by bus with described manager; Described collector is for gathering movie theatre information; Described movie theatre information comprises: passenger flow information, audio-frequency information, expression information and review information; Described processor, for carrying out identifying processing to the described movie theatre information collected; Described storer, for storing information; Described manager, for carrying out information configuration and rights management to described collector, described processor and described storer, the efficiency of statistics is higher, and substantially increase passenger flow demographics accuracy, further, the sense of reality of viewing spectators also can be analyzed more accurately by gathering audio-frequency information, expression information and review information.
Adopt specific embodiment below, the technical scheme of system shown in Figure 1 embodiment is described in detail.
Alternatively, described collector 10 comprises:
Be positioned at video camera or infrared counting device, the video camera being positioned at Movie House and the ballot device of Movie House gateway.
Described processor 11, specifically for:
Carry out analyzing and processing acquisition passenger flow number to the described passenger flow information that the passenger flow collecting unit in described Movie House gateway passenger flow collecting unit and described Movie House collects, described passenger flow information comprises image information.
Specifically, collector 10 can be made up of two parts: the collector in Movie House gateway collector and Movie House.By doing weighted mean to the passenger flow number of two collector collections, thus obtain comparatively accurately spectators' passenger flow number.
Alternatively, the described video camera being positioned at Movie House gateway is arranged on the top in region to be counted;
Described infrared counting device is arranged on the top in region to be counted, and the ground in described region to be counted adopts the material of dark Absorbable rod Infrared.
Fig. 2 is the network topological diagram of the passenger flow statistics of the utility model embodiment.
As shown in Figure 2, the utility model can illustrate the image that Movie House gateway passenger flow collecting unit arrives as camera acquisition to the topological diagram of Movie House gateway passenger flow demographics.
Passenger flow demographics can utilize computer vision technique, the process analyze picture, process, applied, and mainly comprises following three steps:
Background learning process;
Moving target extracts and follows the tracks of;
The examination of target and behavioural analysis.
Movie House gateway video camera environment for use demand:
Video camera is vertically mounted on directly over region to be counted;
Ensure by statistics passenger flow direction be that the direction vertically passing through video pictures is run up and down, or parallel pass through the direction of video pictures about run;
The size that head part shows in video pictures is about 35 × 35 pixels for best (overall picture 320 × 240);
Keep the uniform light of environment for use, brightness is moderate as far as possible;
In detection block, the scope that distance detects edge 20 pixel is effective passenger flow.
Processor for passenger flow collector adopts the DSP embedded processor aiming at Video Applications design; Background manage software normally can run on the platforms such as Windows Server series platform (2003/2008) and Linux, Unix.
The processor main frame of every platform passenger flow analysing should ensure to process multi-path video data, and data upload update time can by each movie theatre sets itself.
Passenger flow collector, infrared counting device can also be adopted to realize, be to video camera counting backup with supplement, when the work of video camera counting stops suddenly due to device damage or other accidental causes, the result of infrared counting device counting will effectively avoid the situation of the passenger flow number not collecting passageway, gateway.
By calculating the discrepancy of Movie House spectators, carrying out when there being spectators to enter adding counting, carrying out when there being spectators to go out subtracting counting, and present Movie House passenger flow can be sent to automatic monitoring bill system by network.By this collector, scrutineer can well understand the spectators' passenger flow in Movie House.Infrared counting device is a kind of counting circuit be made up of infrared emitting and reception.Entirety is made up of power unit, infrared emitting part, infrared receiver part, photoelectric coupling part, segment count.System hardware circuit is simple, utilizes infrared light activated switch as external pulse.
Power unit: directly provide burning voltage to infrared emission part by battery case, provides operating voltage by the power supply of designed, designed to infrared receiver part.
Infrared emitting and receiving part: control by oscillatory circuit the infrared ray that infrared transmitting tube launches certain frequency, judge whether receiving unit receives infrared ray by infrared receiving tube and photoelectrical coupler is reacted.
Photoelectric coupling part and segment count: whether receive the conducting of infrared control optocoupler or cut-off by infrared receiver part, and then actuation counter counting.
Each several part hardware is selected:
Power unit: infrared emission partial power adopts battery case directly to power, the composition such as receiving unit power acquisition three terminal regulator, transformer D.C. regulated power supply;
Feature: Voltage Cortrol is easy, and failure rate is low, has internal protection.
Infrared emitting part: adopt 555 oscillatory circuits and infrared emission tube composition;
Feature: can manual control transmission frequency, volume is little, and precision is high, and cost is lower, and signal is stronger.
Infrared receiver part: this part circuit can adopt infrared receiver diode to form, also can form with phototriode.The two all can realize infrared receiver, this receiver module of the utility model selection infrared receiving module TSOP1738 is a three-terminal element, have low in energy consumption, antijamming capability is strong, input sensitivity is high, to the feature such as the infrared light of other wavelength (beyond 950nm) is insensitive.
Counter portion: can select conventional decimal addition programmable counter 74LS160 chip, also can select the combinations such as 74LS47 and 74LS90 to realize (consider the passenger flow upper limit, setting number of counter bits is eight, and this figure place can change as required).
Alternatively, the described video camera being positioned at Movie House comprises:
Low-light video camera, thermal camera and thermal imaging camera.
Alternatively, the quantity of described low-light video camera is two, and is symmetricly set in described Movie House;
The quantity of described thermal camera is two, and is symmetricly set in described Movie House.
Described processor, specifically for:
The image of the described Movie House of camera acquisition described in synchronization is carried out splicing the image information obtained in final Movie House.
Specifically, the passenger flow collector of projection hall Inner Front End has merged the technology in multiple fields such as video processing technique, image processing techniques, pattern screening techniques and artificial intelligence, has thoroughly overturned and has relied on traditional statistical such as artificial, infrared induction all the time.There is statistics accurately, easy construction, diverse in function, the feature such as easy to operate.
Spectators' number that passenger flow collector in described Movie House is mainly used in the cinema projection Room is added up, and obtains the box office quantity of this each motion picture projection.
This programme introduction adopts the passenger flow statistical method of video analysis statistical technique, and the method has following characteristics:
Statistic is accurate, is adapted at the occasion of half-light, on-the-spot people and object complexity;
Not easily perceptibility, by videograph spectators passenger flow, can not produce Behavioral interference to spectators' viewing;
Easy construction, attractive in appearance, video camera only need be installed in public area;
Powerful, cover all conducts in the whole viewing Room completely, and accurately can screen spectators;
Easy to operate, support that client and network technology check data;
System Expansion transformation is convenient, is increased just can realize System Expansion and transformation by simple network configuration and video camera;
Can on the basis of original supervisory system, upgrading becomes passenger flow statistical system, and monitoring passenger flow statistics is neglected neither, more economically;
Current guest flow statistics is mainly large scale business place and provides volume of the flow of passengers data, and provides various graphical form.
For the selection of different cameras in this subsystem, be directly connected to statistics effect.The effect of different video camera shootings has direct relation to the accuracy of screening, and optional camera type has three kinds in the market: low-light video camera, thermal camera and thermal imaging camera.
Low-light video camera: Low-light Level Night Vision Technology is by the technology such as electrovacuum and electron optics, realize the conversion of photon image-electronic image-visual video image, in transfer process, by the enhancing technology to electronic image, realize the visual enhancing to image, and then reach and having a kind of night vision technology under faint light.Its advantage is that visual range is distant, and shortcoming is then cannot see object clearly when not having light, and namely this technology still needs at certain light, even under the environment of light faint on one point, just can see the image monitoring scene.
Because video camera is erected in each projection hall, there is place's active light source and place's reflection source in Movie House.The position of film projector is active light source, and because film is play, need to use projector, each projector projection port can be launched An Intense Beam of Light source and be projected on screen, is undertaken reflecting to form second reflection source by screen.Existence due to reflection source makes the meeting of each spectators face brighter, and response profile can be more clear.But because the brightness of spectators' face affect by the reflectance lightness of screen, thus from screen more away from the facial brightness of spectators more weak.
Fig. 3 is the installation site schematic diagram one of the utility model embodiment video camera.
Fig. 4 is the installation site schematic diagram two of the utility model embodiment video camera.
Scheme one adopts separate unit video camera to carry out shooting statistics:
In order to add up spectators' number during every motion picture projection, by screen front, the cinema projection Room, the wide angle cameras that a visual angle is 135 degree being installed, from top with depression angle, viewing hall spectators being taken.Can in the 20th of every film minute, 40 points, 60 minutes, 80 minutes time take, each shooting 5 minutes.After having taken, send to storage system to store the content of shooting.The installation site of video camera as shown in Figure 3.
Scheme two carries out image mosaic after adopting twin camera shooting:
Place's active light source is there is: film projector window due in Movie House at the cinema, this place's film projector window can form one fan-shaped light beam to motion picture screen, this place's light beam will be the brightest part at light source place, and extending to motion picture screen place will slowly weaken.Due to the existence of this road light beam, will have an impact to video camera shooting effect, make the spectators' shooting effect below light beam thicken unclear one-tenth white.
In order to avoid unclearly effectively process cannot be screened to filmed image owing to taking, larger error is produced to last statistics.Adopt twin camera to take, avoid the light beam of projector, whole projection hall is divided into two View component in left and right, sends to storage system to store the shooting content of two video cameras.The installation site of video camera as shown in Figure 4.
In order to add up spectators' number during every motion picture projection, in movie theatre large-size screen monitors front, two low-light video camera will be installed, from top with depression angle, viewing hall spectators be taken.Can in the 20th of every film minute, 40 points, 60 minutes, 80 minutes time take, each shooting 5 minutes.
Thermal camera: active infrared technology is by initiatively launching infrared light, utilize target reflects infrared light to realize a kind of night vision technology of shoot and monitor, along with the application of third generation infrared array technology, the effect of active infrared monitoring has obtained good lifting, quality, the life-span of product are also better, and manufacture process requirement is not high, with low cost, it has more wide application prospect.But because active infrared light can see 2 red points, so must be high in order to avoid have an impact to viewing effect by camera pedestal under half-light environment.
Thermal camera also can adopt the scheme of low-light video camera scheme one, and in order to avoid unclearly effectively process cannot be screened to filmed image owing to taking, larger error is produced to last statistics, the scheme of low-light video camera scheme two can be adopted equally.
Thermal imaging camera: thermal imaging is a kind of passive infrared night vision technology, common infrared monitoring technology is active infrared night-viewing technology, thermal imaging utilizes the difference of nature object different parts infrared emanation intensity to form image, and it finds target according to the temperature difference between object and background or target each several part or heat radiation difference.Because this technology is a little not change with the change of ambient lighting condition, so can night, even dense fog by day, under the rugged surroundings such as to rain, provide video image.But it cannot realize longer-distance monitoring, and monitored picture can only differentiate whether have a suspect to enter, and cannot see face and macroscopic features clearly.Shortcoming is that this kind of equipment manufacturing cost is somewhat expensive, input cost and maintenance cost higher.
Because thermal imaging is very little for light source requirements, adopt this scheme need not consider the impact of projector light beam.So only need employing video camera in this scheme.The image effect of thermal imaging camera shooting can be divided into, white mode, black pattern and color mode.Also can in the 20th of every film minute, 40 points, 60 minutes, 80 minutes time take, each shooting 5 minutes.
Passenger flow statistics also can play different effects at movie theatre:
For movie theatre or ticket counter obtain the inner passenger flow statistics pressing Different periods distribution;
The information such as crowd's flow direction;
Crowd's amount of flow statistical information in movie theatre entrance outer tunnel, is conducive to assessment film box office quantity;
Movie theatre administration and supervision authorities can utilize passenger flow statistical system to understand customer behavior, and whether the service facility that provides of assessment movie theatre is convenient, enough etc.;
To movie theatre due to the spectators' too much crowded potential safety hazard that causes and alarm.
The function that native system realizes:
Accurate statistics can be carried out to crowd's flow of appointed area, the passenger flow of different direct of travel can be counted respectively, and passenger flow calculating is carried out to it.
Single turnover doorway passenger flow statistics can be realized, also can realize the analysis of multi-door mouth associating passenger flow statistics.
By passenger flow analysing software professional in supporting processor, passenger flow statistics data are carried out data analysis and chart generation, generate several data analysis diagram according to setting model, as setting:
Point, time, sky, week, the moon, year equal time condition production report; Also can according to condition generating report forms such as weather, red-letter day, propaganda activities.
The data of all analyses, record are all recorded in management server, can realize indefinite data and preserve.
Real-time video recording, storage, retrieval and playing back videos can be carried out to the video pictures of volume of the flow of passengers analysis to check.
Whole system adopts networking to set up, and passenger flow data, passenger flow analysing form, Video Document etc. can realize network remote inquiry, called data.Enterprise administrator can recognize by network the passenger flow situation that business surpasses in strange land, convenient, fast, efficient.
Fig. 5 is the processing procedure principle schematic of the audio-frequency information of the utility model embodiment.
Alternatively, described collector, specifically for:
The audio-frequency information when audio-frequency information that the spectators in the collection cinema projection Room send and film projection, described audio-frequency information comprises: voice messaging and music information;
Described processor, specifically for:
Feature extraction is carried out to the audio-frequency information collected, and according to the acoustic model set up in advance and language model, the audio-frequency information when audio-frequency information send described spectators and described film projection is separated, plot according to described film divides, the repercussion of described spectators under analyzing each distinctive circumstance.
Specifically, processor to the processing procedure of audio-frequency information as shown in Figure 5, first obtains acoustic model, as set up acoustic model based on single order Hidden Markov Model (HMM) according to speech database by training such as data mining technologies.Language model is obtained by training such as data mining technologies according to language database.In theory, comprise regular language, context-free grammar can as language model at interior various language models, but current various system generally adopt or the N unit syntax of Corpus--based Method and variant thereof.The sound signal collected is decoded, finds the word string that can export this audio-frequency information with maximum probability.
Except voice are screened, this processor can also pass through music screening techniques, make computer automatically screen out the melody of music, rhythm, type, style, etc. information.These information may be used for the assessment to film effect.
Can carry out music rhythm extraction: system is extracted by music rhythm, be one group of high pitch sequence by melody representation, and sound the most outstanding in current music during high pitch in this group high pitch sequence.The melody of emphasis in multitone music extracts, and first algorithm is screened the tablet section (vocal segments) that has in music, then carries out melody extraction for these fragments.
Can also multitone estimation be carried out: the fundamental frequency of multiple sound simultaneous in music is estimated, be realized by multitone method of estimation (Klapuri) and associating fundamental frequency estimation method.
Audio collection device and processor are by the division of film-maker to the distinctive circumstance of film, to the collection of viewing process sound intermediate frequency information and the contrast of Expected Results under the plot that each are different, carry out viewing environmental analysis, reach and collected and screen the repercussion of spectators in this plot process, more objectively reflected film plot effect.
Alternatively, described processor, specifically for:
Carry out human facial feature extraction to the described expression information collected, obtain mood label, the plot according to described film divides, and contrasts, analyze the repercussion of described spectators under the plot that each are different to described mood label and the mood label preset.
Specifically, expression collection carries out sampling shooting in fixing vision bright areas to spectators via the video camera installed in Movie House.Shooting employing three kinds of different cameras carry out effectiveness comparison:
Low-light video camera: due to when low-light video camera is taken to light demand than stronger, the scope of shooting needs to be fixed on the first five stronger row of light by middle region, and the crowd of collection will be smaller.
Thermal camera: thermal camera, can be better in sharpness by passive infrared catoptric imaging.But thermal camera is in the dark situation having junior, will whiten in light source peripheral region, within the scope of this, collection effect is by poor.
Thermal imaging camera: thermal imaging camera is according to body surface temperature drawing image body, and during spectators' viewing, the exposed heat energy outside of general face is comparatively obvious.And expression screens the metamorphosis being mainly to screen eyes and mouth two place high heat tissue, so thermal imaging camera can gather the expression shape change of spectators when viewing more accurately.But this kind of video camera expense costly and safeguard not easily.
Human facial feature extraction is most important part in expression discrimination system, and effective human facial feature extraction work improves greatly by making the performance of examination.Movie theatre can analyze the favorable rating of spectators to this sheet after screening other indices comprehensive to the sampling of human face expression.
Face facial expression feature extracting method is so far mostly that the feature extracting method screened from face develops, and used examination feature mainly contains: gray feature, motion feature and frequecy characteristic three kinds of features.Gray feature processes from the gray-scale value of facial expression image, utilizes different expression to have different gray-scale value to obtain the foundation of screening.The movable information that motion feature make use of the main expression point of different expression situation human face is screened.Frequecy characteristic mainly make use of the difference of facial expression image under different frequency resolution, and speed is its distinguishing feature soon.On concrete expression discriminating method, classification direction mainly contains three: overall discrimination method and local discrimination method, deformation extraction method and extraction method, geometrical measurers and total content control method.
In overall discrimination method, be no matter the distortion from face or the motion from face, be all that expression face is integrally analyzed, find out the image difference under various expression.Wherein typical method has principal component analysis (PCA) (the Principal Component Analysis of feature based face, be called for short PCA), Independent component analysis (Independent Component Analysis, be called for short ICA), Fisher linear discriminant analysis (Fishers Linear Discriminant Analysis, be called for short FLD), Local Features Analysis (Local Feature Analysis, be called for short LFA), Hidden Markov Model (HMM) method (Hidden Markov Model, be called for short HMM), clustering methodology and stream shape method.
Local discrimination method: separated when screening at each position of face, that is the importance at each position is different.Such as when expressing one's feelings examination, most typical position is exactly eyes, mouth, eyebrow etc., and the different motion in these places illustrates abundant facial expression.Comparatively speaking, the motion of nose is just less, just can analyze nose as far as possible less like this when screening, can pick up speed and raising accuracy.Wherein most typical method is exactly encoding facial movement analytic approach ((Facial Actions Code System, be called for short FACS) and MPEG-4 in facial movement parametric method, other also have locally principal component analysis method (Local PCA), Gabor wavelet method and neural network.
Deformation extraction method: screen according to the deformation at each position of face when expressing various expression, main method has: principal component analysis method (PCA), Gabor wavelet method, Motion mask method (ASM) and points distribution models (Point Distribution Model is called for short PDM) method.
Extraction method: screen according to face some specific characteristic portions this principle of all moving accordingly when expressing various specific expression.Typical discriminating method has: the facial movement parametric method in optical flow method and MPEG-4.
Geometrical measurers: extract eigenvector according to the shape of the various piece of the face of people and position (comprising mouth, eyes, eyebrow, nose), this eigenvector represents the geometric properties of face.Difference according to this eigenvector just can screen different expressions.Important method is the principal component analysis method based on moving cell (AU).
Total content control method: mainly by overall face or the local facial filtering by image, to obtain eigenvector.Conventional wave filter is Gabor wavelet.
Certainly, these three developing direction are not strict independence, they just never ipsilateral extract required expressive features, all merely provide a kind of thinking analyzing expression, connect each other, influence each other.A variety of method is had to be between both or even three.Such as say that facial actions code system method is the one of local approach, be also simultaneously from facial movement consider etc.
Because in theatre environment, light effects is more weak, and only need to carry out sampling to part spectators to screen, take pictures so just can trigger when only can screen facial expression for light intensity when expressing one's feelings and gathering, acquisition range is client's photo of the 3-5 row of movie theatre, by discriminating method based on geometric method, other the facial expression of each class methods to spectators is assisted to screen.
In the utility model, after spectators' face produces deformation, different geometric figures is formed by carrying out line to each major organs point, define different expressions, as happiness, sad, terrified etc., thus can know whether the heart mood of spectators when viewing and film plot reach the effect that the shooting initial stage estimates.
After identification audience emotion, the mood data of the spectators in acquisition range is uploaded to processor, carries out post analysis by system.Expression collector and processor are by the division of film-maker to the distinctive circumstance of film, to the collection of viewing process viewer expression and the contrast of Expected Results under the plot that each are different, carry out viewing environmental analysis, reach and collected and screen the repercussion of spectators in this plot process, more objectively reflected film plot effect.
Fig. 6 is the analysis process schematic diagram one of the utility model embodiment.
As shown in Figure 6, processor, can also by gathering audio collection device and after the information of collector of expressing one's feelings, by carrying out the matching analysis with the mark post of original setting, and mating with Expected Results, reflecting movie contents and spectators' perception effect really.
By each collector, system by all collect and through examination content carry out classifications differentiation, same for different Movie House portion film statistics is put in same examination database, then the examination data of same portion film and original storage effects of demand are in a database compared, be easy to just to show that the direct evaluation of rear spectators to film shown by film.And system can carry out Synchronization Analysis by the content collected with other collectors, be reflected to spectators more accurately and in viewing film with after viewing film, whether the different evaluation of film there are differences.
Fig. 7 is the analysis process schematic diagram two of the utility model embodiment.
As shown in Figure 7, processor, can also carry out special pattern and deeply identify, as for more complicated with screen more difficult information by after gathering, after taking turns mining analysis more, export a relative analysis report, after being examined by professional, determine whether announce again.
Due to a lot of disturbing factors can be there is in data acquisition, result cannot be gone out or the multi collect of same film different time analyzed out multiple result by Direct Analysis after some data acquisition is returned.In particular cases this, system will carry out the analysis of many wheels to the data gathered, and submits to auditor audit exceeding same result more than half as final analysis report.Could finally issue after report and many wheel data are by manual examination and verification.The Forecasting method of analysis report is ensured with this.
Collector can also gather review information, realizes by advertisement operation unit, and advertisement operation unit is used for for spectators provide message of film and TV propelling movement, message of film and TV inquiry and activity interactive; Described movable interaction comprises review information collection activity, for gathering in movie theatre spectators to the review information of film;
Also realize by ballot device, for gathering in movie theatre spectators to the score information of film and review information;
Described processor, specifically for:
The institute's scoring information collected and review information are added up, analyzes spectators and the viewing of film is experienced.
Alternatively, described system also comprises:
Wireless Fidelity WiFi equipment is connected with described bus, and described ballot device is wireless ballot device.
WiFi equipment, for responding to mobile terminal in preset range or wireless ballot unit, collecting described passenger flow information, institute's scoring information and described review information, and identifying spectators by MAC address.
Specifically, movie theatre provides the basic network service of WiFi, unit is runed by advertisement, for movie theatre marketing provides a new platform, such as: message of film and TV pushes, message of film and TV is inquired about, activity is interactive, by secondary integration exploitation existing system and media platform, can provide more attention rate for movie theatre, expand movie theatre mobile platform marketing channel, improve revenue-generating power.
Native system also by the WiFi equipment that each Movie House sets up, by WiFi signal induction certain limit in mobile terminal, information is carried out to spectators: can collect the general passenger flow number of each Movie House number; Spectators the old and new are identified by MAC Address; For the platform that each spectators provide a real-time communication to exchange.And also arrange out available relevant information by a few head of data mining, find out from indirect sources the different evaluation of spectators to film.
Divided by outside the advertisement operation unit based on WiFi network service, movie theatre can increase wireless ballot unit and gather the viewing impression of spectators and review information further.
Wireless ballot device can be arranged on the seat side in the cinema projection Room as the directly perceived collecting device of spectators to experience after film sight as body sense equipment, as wireless handheld voting machine, data acquisition etc., be applicable to ballot selection, grading type voting, the rear comment of film sight etc.This is wireless, and ballot device adopts wireless ballot mode, only needs disposable in movie theatre installation, prepares quick, be applicable to the fixing movie theatre of various different size.The most basic key element of this unit is function of keeping secret, under blank pattern, can directly collect spectators to the review information of film.Distinctive function of keeping secret makes to represent the actual wishes reflecting spectators by bond energy to greatest extent, and does not worry being spied on by people or recording tracing.Voting results can produce by programming count, and show according to requested session with picture and text or form mode and print.In addition can also from the viewing number of another aspect statistics a Movie House.
In order to ensure the authenticity that ballot system reflects, and farthest avoid spectators to miss vote chance, and reduce energy resource consumption to the full extent, the wireless handheld voting machine of seat side, within 20 minutes, will open at wrapped film and last till that film projection is closed for complete latter 10 minutes voluntarily.
This is wireless, and ballot device forms:
Comprise base station, ballot device unit and ballot software.Adopt the bi-directional digital radio frequency wireless communication technique of silkworm chrysalis trap, communication robust is reliable and speed is fast.There are button ballot, digit score, viewing comment 3 large functions.
Feature:
1) advantages such as hardware design height is reliable, button secrecy of votes is strong, user operation is simple and clear, voting formula is varied;
2) spectators can according to oneself impression after viewing, flicking voting machine button, can complete various ballot marking and comment operation like a cork.
Function:
1) viewing film management;
2) multiple voting result display;
3) multiple voting formula;
4) uninscribed visitor's ballot or member's open ballot two kinds of modes participate in jointly;
5) inquiry prints;
6) voting result can not be revised.
Alternatively, the real-time or periodic Information Monitoring of described collector.
Further, processor, can also carry out text mining and analyze with special.System will collect a large amount of texts and Word message by comment collector, and these information clutters are without chapter.But seem in rambling information at these and include a large amount of effective informations, need by effective guidance could be provided for movie theatre or making side after discovery and arrangement.
By Text Mining Technology, group of viewers is classified, set up different labels to spectators, as being accustomed to age bracket, sex, viewing, drawing a portrait to individual behavior, realize the Marketing Functions popularization activity of the personalization under large data supporting, mobilism.
Dock with ticket sale system, management platform, realize the base resource management of curstomer-oriented personalization and which kind of degree the film that directly can reflect each type can reach to the attractive force of spectators, which type of plot spectators cannot be allowed to produce substitute into sense.
Based on degree of depth text mining, can carry out according to film-maker the data mining that customizes, obtain film-maker and think that information is fallen in acquisition.And also by special label symbol, form or the report of special statistical study generating custom can be carried out to special film.
Processor, can also carry out displaying and the report making of analysis result, and user can inquire about all kinds of form according to the actual requirements, and System inventory is abundant, practical, can meet the demand of all types of user.Form also supports that user independently customizes.
Configure different access rights according to the rank of different personnel and demand, the cipher mode of the uniqueness that user login code adopts the utility model to design, effectively guarantees the safety of audience information system.
User can monitor the audience information in each region in real time, and the tracing analysis figure of correspondence.
The each passage of arbitrary period/day/week/month/year and each passage timesharing audience demographics report query and corresponding graphic analyses;
The each region of arbitrary period/day/week/month/year and the information inquiry such as each region timesharing audience demographics form, residence time, and the graphic analyses of correspondence;
Day/week/month/year each region attendance data comparative analysis and corresponding graphic analyses;
Day/week/month/year each field sales data, timesharing sales data KPI value comparative analysis, and the graphic analyses of correspondence;
Day/week/month/year each field sales data comparative analysis and corresponding graphic analyses.
Further, according to the difference of different collectors to data collection form and needs, also there is larger difference in data acquisition period, duration.
Movie House gateway passenger flow collector:
Movie House gateway passenger flow the most concentrated period is first 10 minutes of film prologue to latter 10 minutes of film prologue.In order to ensure validity and the accuracy of data, the data acquisition period of Movie House gateway passenger flow collecting unit begins latter 10 minutes to film at film prologue for first 10 minutes, total duration 20 minutes.
The view data gathered within the time of 20 minutes durations is directly stored in local storage space by network.0 o'clock to 8 o'clock every day was movie theatre idle, in these 8 hours can regularly by data upload to machine room, local data is preserved 1 week, at one week afterwards deletion local data to ensure local storage space.
Passenger flow collector in Movie House and audio collection device:
The window of opportunity of Movie House collection is let out first 10 minutes to film for after film is begun 20 minutes.And when showing hall and gathering, not only need the image photograph gathering hall, also need the audio-frequency information gathering Movie House.
In order to ensure validity and the accuracy of data, the data acquisition period that Movie House gathers gathers three times in first 20 minutes to film end of a performance at film prologue for latter 20 minutes.Image information acquisition time is that film plays 30 points, 50 minutes and 70 minutes, three time points.
Audio-frequency information acquisition time is that film plays 30 minutes, 50 minutes, 70 minutes 3 time points, and each time point gathers the audio-frequency information of 5 minutes durations.
The image gathered and audio-frequency information are directly stored in local storage space by network.0 o'clock to 8 o'clock every day was movie theatre idle, in these 8 hours can regularly by data upload to machine room.Only preserve 3-6 due to every film and open impression picture and 15 minutes audio-frequency informations, data take up room less, are convenient to long-term preservation, so local data can preserve 1 year, these data can be stayed and do annual examination & verification, delete local data after one year to ensure local storage space.Only return the result data after analysis after gathering for expression, can not preserve and transmit expression picture clearly.
Alternatively, described storer comprises: local storage and cloud storage.
Specifically, system memory space is divided into local to store and cloud stores two kinds of different forms.
The local information retention cycle of each movie theatre is shorter, common memory device.But the image of each movie theatre and analysis convergence later data volume are very huge, and data present continuous rising tendency, for each movie theatre itself, if be all stored in this locality, need to drop into certain fund and buy hardware device storage data, such mode, not only has a large amount of inputs in fund, but also need a large amount of human inputs, make data-storage system obtain regular maintenance by manpower.And adopt cloud stores service business just can from the angle on of movie theatre, for it provides great storage space, only need to utilize the mode of lease just can solve all problems of movie theatre on storage space, like this, movie theatre just can reach the storage demand of video-audio data and farthest meet.
Native system is mainly under the service of cloud storage, the analysis of video monitoring image is achieved, generally, be uploaded in cloud storage system in the monitor message unification of the whole nation each movie theatre installation video monitoring system exactly, simultaneously can store video monitors in cloud storage system data, then utilize relevant monitoring software, video data is managed and calls.
Super leading subscriber can be checked the information after analytic statistics, download and mark by online service, and the information completed can store in cloud storage system.Each movie theatre user also can download required audio and video information and analytical information from cloud, and realizes network and share open, also more convenient and quick when making amendment and management document.
The information configuration of each collector of manager primary responsibility system front end of the utility model movie theatre information acquisition system, processor, storer and priority assignation.
This manager runs with server mode, and data cube computation is key K EY cipher mode, guarantees data security, reliable.The automatic derivation etc. of the data acquisition of the compatible all serial collectors of this manager, data upload and second development interface TXT text.User only needs to input the server address of each collector, communication terminal slogan and encryption key KEY in PC, just can realize the real-time dynamic surveillance of remote equipment acquisition state.
Alternatively, described processor comprises: embedded digital signal transacting dsp processor.
Alternatively, the present embodiment system, also comprises: display, is connected with described bus, for showing the result after described processor identifying processing.
The risk control of the utility model movie theatre information acquisition system and safety Design:
The transmission of whole system adopts the communication coding form of stand-alone development, thus ensure that safe, reliable, stable in communication of whole system, prevents copying and detecting maliciously;
System software adopts strict ID authentication mechanism, prevents the forcible entry to system;
Centre management main frame is tackled the backup of whole system Erecting and improving and disaster recovery mechanism, guarantee system damaged after fast quick-recovery.
Corresponding anti-virus measure, installs the antivirus software that virus killing is powerful, and upgrades in time.
The characteristic and advantage of the utility model movie theatre information acquisition system:
For passenger flow collecting part, built-in smart video people counter can be adopted;
Employing technical grade designs, and performance is more reliable and more stable;
Adopt up-to-date series DSP, the whole nation pioneering embedded " survey shoulder breadth and cross line counting " regular DSP intelligent video analysis algorithm, maximum detection width is 5m;
The work of system acquisition device end is by the impact of light, shade, also not bald by personnel or wear the impact of various cap, thoroughly solves intelligent video and to arrest the defect that an algorithm relies on context vault;
Equipment embedded data memory function, power down is preserved can for 10 years;
Closed security type aluminium section bar shelling machine, ensures audience information safety;
Support RS485 communication, TCP/IP communication, WiFi communication;
Detection system and data processing communication system roll into one, fault deadlock equipment autoboot;
Count respectively into and out of direction, and turnover direction can freely be arranged; System can monitor time, the quantity, daily residence time of spectators' turnover in real time, and spectator flows is to rule etc., spectator attendance in effective controlling filed;
Unit can monitor single channel, and multimachine networking can monitor multiple passage or region, multiple strange land;
Unified standard, centralized management, distributed architecture, area authorization;
The designing technique of system is advanced, ripe, practical, the choice criteria of product, specification;
System with installation and operation, maintenance cost are low, long service life, safety, reliably;
Capture is activated by automatic sequential programming camera automatic illumination degree;
Many figure Auto-matching, every film is got 3 pictures and is automatically screened comparison, supports manually to transfer the files.
Finally, the engineering construction specification of native system is introduced:
1, adopt standardization, structured wiring mode, for guarantee wiring safety, save, attractive in appearance, all adopt during all cable wirings anticorrosion anti-interference pvc pipe groove carry out wiring protect.Signal is transferred in main frame by wire rod, and wire rod, except requiring that loss of signal rate is little, also should pay attention to the impact of environment on signal, and namely shielding properties should be high.And tubing is used for protecting wire rod, also should be different according to protection level, select corresponding tubing.Should guarantee in laying cable process that all cables are all in pvc pipe, should avoid severe environmental conditions as far as possible or easily make pipeline damage location, should avoid interference comparatively large regions;
2, strong, weak electricity wiring separately, and the circuit in crane span structure is straight to be laid, and the outlet of some position adds cover metal hose;
3, instrument operating specification, avoids potential safety hazard and protection construction environment;
4, ensure the clean of ceiling in construction, avoid polluting smallpox and manhole;
5, all cables are marked, to mark in wiring process clear, understand, be easy to relocate, safeguard, manage;
6, system time and real time consistency, test actual parameter during debugging in a large number;
7, accuracy rate up to standard more than 95%, during examination together with owner detection accuracy;
8, strictly observe all standard that following country and industry relevant department formulate and specification as:
Commercial building line standard;
International line standard;
Build and build group integration laying line system engineering design specifications;
Build and build group Generic Cabling System of Construct and acceptance criteria;
Civil electric appliance code of building design;
China's electrical installation installation work construction and acceptance specification.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a movie theatre information acquisition system, is characterized in that, comprising:
Collector, processor, storer and manager;
Wherein, described collector, described processor, described storer are connected by bus with described manager;
Described collector is for gathering movie theatre information; Described movie theatre information comprises: passenger flow information, audio-frequency information, expression information and review information;
Described processor, for carrying out identifying processing to the described movie theatre information collected;
Described storer, for storing information;
Described manager, for carrying out information configuration and rights management to described collector, described processor and described storer.
2. system according to claim 1, is characterized in that, described collector comprises:
Be positioned at video camera or infrared counting device, the video camera being positioned at Movie House and the ballot device of Movie House gateway.
3. system according to claim 2, is characterized in that, the described video camera being positioned at Movie House gateway is arranged on the top in region to be counted;
Described infrared counting device is arranged on the top in region to be counted, and the ground in described region to be counted adopts the material of dark Absorbable rod Infrared.
4. system according to claim 2, is characterized in that, the described video camera being positioned at Movie House comprises:
Low-light video camera, thermal camera and thermal imaging camera.
5. system according to claim 4, is characterized in that, the quantity of described low-light video camera is two, and is symmetricly set in described Movie House;
The quantity of described thermal camera is two, and is symmetricly set in described Movie House.
6. system according to claim 2, is characterized in that, also comprises:
Wireless Fidelity WiFi equipment is connected with described bus, and described ballot device is wireless ballot device.
7. the system according to any one of claim 1-6, is characterized in that, described storer comprises: local storage and cloud storage.
8. system according to claim 7, is characterized in that, described processor comprises: embedded digital signal transacting dsp processor.
9. system according to claim 8, is characterized in that, also comprises: display, is connected with described bus, for showing the result after described processor identifying processing.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105245970A (en) * | 2015-10-10 | 2016-01-13 | 无锡康斯特科技有限公司 | Cinema information and film satisfaction survey system based on wireless communication |
| CN105338328A (en) * | 2015-12-08 | 2016-02-17 | 世纪美映影院技术服务（北京）有限公司 | Digital cinema intelligent monitoring system based on infrared/thermosensitive imaging |
| CN105635696A (en) * | 2016-03-22 | 2016-06-01 | 南阳理工学院 | Statistical method and device |
| CN106548120A (en) * | 2015-09-23 | 2017-03-29 | 北京丰源星际传媒科技有限公司 | Movie theatre viewing atmosphere gathers statistical method and system |
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| CN106548120A (en) * | 2015-09-23 | 2017-03-29 | 北京丰源星际传媒科技有限公司 | Movie theatre viewing atmosphere gathers statistical method and system |
| CN106548120B (en) * | 2015-09-23 | 2020-11-06 | 北京丰源星际传媒科技有限公司 | Cinema viewing atmosphere acquisition statistical method and system |
| CN105245970A (en) * | 2015-10-10 | 2016-01-13 | 无锡康斯特科技有限公司 | Cinema information and film satisfaction survey system based on wireless communication |
| CN105338328A (en) * | 2015-12-08 | 2016-02-17 | 世纪美映影院技术服务（北京）有限公司 | Digital cinema intelligent monitoring system based on infrared/thermosensitive imaging |
| CN105635696A (en) * | 2016-03-22 | 2016-06-01 | 南阳理工学院 | Statistical method and device |
| CN107886599A (en) * | 2016-09-30 | 2018-04-06 | 江汉大学 | A kind of theater audiences number real-time statistics system |
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| US11373213B2 (en) | 2019-06-10 | 2022-06-28 | International Business Machines Corporation | Distribution of promotional content based on reaction capture |
| CN115296836A (en) * | 2022-06-23 | 2022-11-04 | 北京博雅睿视科技有限公司 | Private cinema playing method, system, equipment and storage medium |
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