CN105120246A - Virtual reality system based on video monitoring - Google Patents
Virtual reality system based on video monitoring Download PDFInfo
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- CN105120246A CN105120246A CN201510662157.5A CN201510662157A CN105120246A CN 105120246 A CN105120246 A CN 105120246A CN 201510662157 A CN201510662157 A CN 201510662157A CN 105120246 A CN105120246 A CN 105120246A
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Abstract
The invention discloses a virtual reality system based on video monitoring. A parking lot monitoring center of the system comprises a monitoring server, a virtual reality server and a storage, wherein the virtual reality server creates background image models and foreground image models of all monitored areas; the parking lot monitoring center transmits multi-resolution models suitable for a network according to the bandwidth of the network between the parking lot monitoring center and a parking lot monitoring terminal. According to the virtual reality system, real and direct parking lot monitoring capable of being adapted to the network environment can be realized.
Description
Technical field
The present invention relates to video monitor technical field, particularly a kind of virtual reality system based on video monitoring.
Background technology
Virtual reality technology (VirtualRealityTechnology, be called for short VRT), is also called computer simulation technique, be a kind of simulation people of high fidelity in natural environment depending on, listen, to move etc. the human-computer interaction technology of behavior.The appearance of virtual reality technology is actual is that computer graphics, human-machine interface technology, sensor technology and artificial intelligence technology etc. are intersected and comprehensive result.This technology utilizes to calculate and produces 3D vision true to nature, the sense of hearing, the sense of touch even sense of taste etc., makes user utilize suitable equipment, as mouse, keyboard, screen, the helmet, glasses, stereophone, sensor glove etc., carries out alternately with the object of virtual world.The prominent features of virtual reality technology is " immersing " and " alternately ", and the virtual environment that it requires computer to create can make user have physical and mental sense of participation and experience sense.
On the other hand, along with the continuous increase of city vehicle, take up an area the large and large parking lot of layer-stepping in space and increase gradually, along with development and the maturation of video monitor technology, the supervisory control system for parking lot is also set up gradually.
But current parking lot supervisory control system just rests on two dimensional surface display, not intuitively, cannot bring real sensory experience, cannot bring the facility of operation to user.Further, current parking lot surveillance does not consider the Internet Transmission condition between Surveillance center and monitoring terminal, cannot according to Internet Transmission condition adjustment transfer of data.
Based on this, in order to realize the true parking lot intuitively monitoring that can adapt to network environment, be badly in need of a kind of virtual reality system based on video monitoring.
Summary of the invention
Technical problem to be solved by this invention is: how to realize the true parking lot intuitively monitoring that can adapt to network environment.For this reason, the present invention proposes a kind of virtual reality system based on video monitoring, can solve one or more problems that restriction and defect due to prior art cause fully.
Additional advantages of the present invention, object and characteristic, a part will be elucidated in the following description, and another part for those of ordinary skill in the art by being obvious to the investigation of explanation below or acquiring from enforcement of the present invention.Can realize and obtain the object of the invention and advantage by the structure pointed out especially in the specification of word and claims and accompanying drawing.
The invention provides a kind of virtual reality system based on video monitoring, this system comprises parking lot watchdog subsystem, parking lot Surveillance center and parking lot monitor terminal, and parking lot Surveillance center comprises monitoring server, virtual reality server and memory.
Virtual reality server creates background image model and the foreground image model of each monitor area according to the video surveillance data received from monitoring server, plays up rear generation fusion monitoring data; For background image model and foreground image model, parking lot Surveillance center according to and parking lot monitor terminal between network bandwidth transmission be suitable for the multi-resolution models of present networks, for the network environment that transmission speed is slow, the minimum form of parking lot Surveillance center transmission background image model.
Parking lot monitor terminal comprises model data and receives submodule and play up submodule.
Preferably, described background image refers to the image for a long time without moving object in monitored picture, namely for the feature that supervisory control system picture remains unchanged for a long time, opened relative to vehicle, for the foreground image of the event such as people's process when occurring, pulled out background image and Modling model.
Preferably, described parking lot supervisory control system includes multiple parking lots watchdog subsystem, and the guarded region of parking lot supervisory control system is divided into several subregions, and every sub regions is responsible for video monitoring by a parking lot watchdog subsystem.
Preferably, described parking lot watchdog subsystem carries out IMAQ by multiple filming apparatus to the monitoring point in parking lot, and the signal after collection carries out digitlization conversion and compression coding, then utilizes internet to send parking lot Surveillance center to.
Preferably, described virtual reality server comprises background modeling submodule, background plays up submodule, prospect modeling submodule, prospect play up submodule and fusant module.
Preferably, described model data receives submodule, in order to receive foreground image model data and background image model data from Surveillance center; Described submodule of playing up carries out three-dimensionalreconstruction according to received foreground image model and background image model.
Preferably, parking lot monitor terminal also comprises gesture detection module, and for detecting the gesture motion of user, thus it is mutual to make user can realize with parking lot Surveillance center in this virtual reality system by gesture motion.
Accompanying drawing explanation
Fig. 1 is the structural representation of the virtual reality system based on video monitoring according to the embodiment of the present invention.
Fig. 2 is the structural representation of the parking lot Surveillance center according to the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.
As shown in Figure 1, this virtual reality system comprises parking lot watchdog subsystem, parking lot Surveillance center and parking lot monitor terminal.
Virtual reality system includes multiple parking lots watchdog subsystem, and the guarded region of this parking lot supervisory control system can be very large, and therefore its monitor area is divided into several subregions, every sub regions is responsible for video monitoring by a parking lot watchdog subsystem.Parking lot watchdog subsystem carries out IMAQ by multiple filming apparatus to the monitoring point in parking lot, and the signal after collection carries out digitlization conversion and compression coding, then utilizes internet to send parking lot Surveillance center to.
As shown in Figure 2, parking lot Surveillance center comprises monitoring server, virtual reality server and memory.Monitoring server has supervision, control and management function, and it receives the video surveillance data that parking lot watchdog subsystem is uploaded.Virtual reality server creates background image model and the foreground image model of each monitor area according to the video surveillance data received from monitoring server, plays up rear generation fusion monitoring data.Memory, stores the fusion monitoring data after the process of video processing service device, and foreground image model data and background image model data.
Virtual reality server comprises background modeling submodule, background plays up submodule, prospect modeling submodule, prospect play up submodule and fusant module.Background modeling submodule, analyzes the vedio data in monitoring point, parking lot, sets up background image model.Described background image refers to the image for a long time without moving object in monitored picture, namely for the feature that supervisory control system picture remains unchanged for a long time, opened relative to vehicle, for the foreground image of the event such as people's process when occurring, pulled out background image and Modling model.Background plays up submodule, based on the background image model that background modeling submodule is set up, plays up background image.Prospect modeling submodule, analyzes the vedio data in monitoring point, parking lot, determines foreground image, carries out modeling to foreground image.Prospect plays up submodule, based on the foreground image model that prospect modeling submodule is set up, plays up foreground image.Fusant module, to background play up submodule generate rendering image and prospect play up submodule generate rendering image merge, generate the fusion monitoring data after merging, concrete, to foreground image, the method for Color Statistical is adopted to carry out dividing processing, after dividing processing, be transformed into the coordinate system identical with background image, carry out three-dimensionalreconstruction.
Wherein, for background modeling process and background modeling process, the multi-resolution models of present networks can be suitable for according to the network bandwidth transmission between parking lot Surveillance center and parking lot monitor terminal.Continuous Multiresolution Modeling makes full use of the continuity between the adjacent levels of detail of model, and rudimentary levels of detail only stores the difference between senior levels of detail, instead of stores whole model.They both can be Continuous Multiresolution Modeling, also can be discrete multi-resolution models, it can provide the details number of plies more than discrete multiresolution, and the details number of plies can dynamic conditioning, thus jump can not be caused, and shared space is much smaller than the multi-resolution models with the same number of plies.For given scenario model, simplify based on triangular mesh the algorithm generating Continuous Multiresolution Modeling and can be described as: utilize shortcut calculation to simplify to archetype, until the simplest model.Meanwhile, to each step simplified, record the situation of change of this step simplification relative to last layer, and be not record whole model.Thus form one with the simplest model for begin chain, the single-track link table being node with the situation of change of each step.So just Continuous Multiresolution Modeling can be generated.If network transfer speeds is slower, the model that direct transmission is the meticulousst, then system real time can not get ensureing, and receiving terminal can not demonstrate the image of model before receiving the complete definition of model, screen is by long-time not this entity, although this entity is own through existing in scene, just there is inconsistency in this.If but can the definition of mode incrementally, the minimum form of the first mode of transmitting terminal, receiving terminal can the roughly apperance of first display model, afterwards, then the explication of little by little mode, this situation would not be there is.If model is too large, for ensureing real-time, need not the original refined model of disposable transmission, according to the performance of network and system, transmitting terminal after a transmission part, can give this end of transmission signal, and namely receiving terminal thinks that model this time transmission terminates, the model that current transmission comes is the current most refined model of this model, leaves breakpoint for transmitting later.Later when network is available free, then can carry out breakpoint transmission, current model is supplemented.Even now sometimes model may be not too meticulous, but greatly can save bandwidth, in the slower situation of transmission speed, realize Distributed Virtual Reality System.
The parking lot monitor terminal of this virtual reality system can complete the function of supervision, management, playback retrieval video file: receive and display alarm information; Check multichannel captured in real-time installation drawing picture simultaneously, configure each layout page and each layout page time of staying is set, showing filming apparatus in the mode of the Resources list, and the state of real-time display device; Trigger video recording and recording; Real-time voice is conversed; Preset or pattern or the parameter of headend equipment are set; The information that selective system inner/outer is reported to the police and shown; Real time inspection system event (user logs in or exits, dose bookmark, alert event, start video recording, stop video recording etc.) historical record, report to the police occur time, to send alarm sound, ejection the modes such as the camera image of alarm region and popup text information that highlight point out administrative staff; Make user according to the sequence of video images that fast finding stores from stored data base such as time period, filming apparatus and event type and tonic train; Management and the different piece of configuration monitoring system, as the parameter of monitoring point, user, video time table, video recording, system event and equipment; Create filming apparatus website be that filming apparatus divides into groups according to website; For the interactively HTML electronic chart of each Website Building multilayer; User, password and user authority setting etc.
Especially, the parking lot monitor terminal of this virtual reality system comprises model data reception submodule and plays up submodule.Described model data receives submodule, in order to receive foreground image model data and background image model data from Surveillance center; Described submodule of playing up carries out three-dimensionalreconstruction according to received foreground image model and background image model.
Especially, the parking lot monitor terminal of this virtual reality system also comprises gesture detection module, the gesture motion of user can be detected, the finger quantity of such as user operation, the movement locus of hand motion and speed, thus it is mutual to make user can realize with Surveillance center in this virtual reality system by gesture motion.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (7)
1. based on a virtual reality system for video monitoring, it is characterized in that: this system comprises parking lot watchdog subsystem, parking lot Surveillance center and parking lot monitor terminal, parking lot Surveillance center comprises monitoring server, virtual reality server and memory;
Virtual reality server creates the background image model of each monitor area, processes rear generation fusion monitoring data to the video surveillance data that monitoring server receives; For background image model and foreground image model, parking lot Surveillance center according to and parking lot monitor terminal between network bandwidth transmission be suitable for the multi-resolution models of present networks, for the network environment that transmission speed is slow, the minimum form of parking lot Surveillance center transmission background image model;
Parking lot monitor terminal comprises model data and receives submodule and play up submodule.
2. virtual reality system according to claim 1, it is characterized in that, described background image refers to the image for a long time without moving object in monitored picture, namely for the feature that supervisory control system picture remains unchanged for a long time, opened relative to vehicle, for the foreground image of the event such as people's process when occurring, pulled out background image and Modling model.
3. virtual reality system according to claim 1, it is characterized in that, described parking lot supervisory control system includes multiple parking lots watchdog subsystem, the guarded region of parking lot supervisory control system is divided into several subregions, and every sub regions is responsible for video monitoring by a parking lot watchdog subsystem.
4. virtual reality system according to claim 3, it is characterized in that, described parking lot watchdog subsystem carries out IMAQ by multiple filming apparatus to the monitoring point in parking lot, signal after collection carries out digitlization conversion and compression coding, then utilizes internet to send parking lot Surveillance center to.
5. virtual reality system according to claim 1, is characterized in that, described virtual reality server comprises background modeling submodule, background plays up submodule, prospect modeling submodule, prospect play up submodule and fusant module.
6. virtual reality system according to claim 1, is characterized in that, described model data receives submodule, in order to receive foreground image model data and background image model data from Surveillance center; Described submodule of playing up carries out three-dimensionalreconstruction according to received foreground image model and background image model.
7. virtual reality system according to claim 1, it is characterized in that, parking lot monitor terminal also comprises gesture detection module, and for detecting the gesture motion of user, thus it is mutual to make user can realize with parking lot Surveillance center in this virtual reality system by gesture motion.
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| CN106896736A (en) * | 2017-03-03 | 2017-06-27 | 京东方科技集团股份有限公司 | Intelligent remote nurses method and device |
| CN106973283A (en) * | 2017-03-30 | 2017-07-21 | 北京炫房科技有限公司 | A kind of method for displaying image and device |
| CN111131767A (en) * | 2019-11-27 | 2020-05-08 | 重庆特斯联智慧科技股份有限公司 | Scene three-dimensional imaging security monitoring system and using method |
| CN111862425A (en) * | 2020-07-07 | 2020-10-30 | 深圳市凯达尔科技实业有限公司 | Parking lot management system and method based on 3D visual dynamic monitoring |
| CN113022540A (en) * | 2020-04-17 | 2021-06-25 | 青岛慧拓智能机器有限公司 | Real-time remote driving system and method for monitoring multiple vehicle states |
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Application publication date: 20151202 |