CN102514531A - Vehicle-mounted real-time panorama monitoring and recording system - Google Patents
Vehicle-mounted real-time panorama monitoring and recording system Download PDFInfo
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- CN102514531A CN102514531A CN2011104461982A CN201110446198A CN102514531A CN 102514531 A CN102514531 A CN 102514531A CN 2011104461982 A CN2011104461982 A CN 2011104461982A CN 201110446198 A CN201110446198 A CN 201110446198A CN 102514531 A CN102514531 A CN 102514531A
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Abstract
The invention discloses a vehicle-mounted real-time panorama monitoring and recording system, which comprises a video acquisition subsystem, a data processing subsystem, a storage subsystem and a display subsystem, wherein the video acquisition subsystem is used for acquiring video data around a vehicle and sending the acquired video data to the data processing subsystem; and the data processing subsystem is used for decoding the received video data and outputting the decoded video data to the storage subsystem and the display subsystem. The vehicle-mounted real-time panorama monitoring and recording system solves the problem that a driver for a motor vehicle has a narrow visual field in the vehicle, and can record video of ambient environment of the vehicle and personnel flow state in a certain period of time.
Description
Technical field
The present invention relates to a kind of real-time monitoring and register system, particularly a kind of vehicle-mounted panoramic is monitoring and register system in real time.
Background technology
The motor vehicle number of China sharply increased in recent years, and people are also increasingly high for the requirement of configuration of automobiles, especially human oriented design, traveling comfort, safety aspect.Automobile does not in the past take into full account human oriented design aspect the visual field in car; The visual field to rear view of vehicle can only be satisfied through the back mirror of left and right vehicle wheel both sides and forward position, the chaufeur crown, and this automobile backsight device is owing to the reason visual field range of installation site is very limited, and chaufeur has visual blind area; And observe the attention that is very easy to disperse chaufeur through back mirror; Very easily cause traffic accident, and descend the effect of observing poorer, and the back mirror above the chaufeur head very easily receives the blocking of occupant of rear deck seat through back mirror at rain, snow, greasy weather gas; Can not observe the situation behind the car, influence is driven.The raising that required along with the customer in recent years and the development of auto-industry, electronics industry, vehicle-mounted auxiliary finder condition of application is ripe, and vehicle-mounted auxiliary finder is the device of following automobile indispensability.
According to industry analysis, out in the cold always in China Vehicular video monitoring system field, the lifting of Along with people's safety precaution idea, progressively heat up in safety monitoring market, and Vehicular video monitoring system is becoming the indispensability equipment of various vehicles.In case abnormal condition occur; Details when traffic accident, criminal case or vehicle are stolen etc. can in time grasp crime through the playback monitor video for example appears; So that follow-up fast processing; Especially the omnibearing video information of vehicle's surroundings can provide detailed and sufficient foundation to judging real case at that time especially, but present vehicle-mounted monitoring device can not be realized above-mentioned purpose.
The GPS application development impetus of China is swift and violent; A few years, GPS expands to each civil area rapidly from minority R&D institution and military department in the application of China, and the widespread use of GPS changes people's working; Improve work efficiency, brought huge economic benefit.GPS has brought into play important role aspect automobile navigation; In the city, set up the digitalisation traffic radio; Real-time broadcasting city traffic information, mobile unit is accurately located through GPS, in conjunction with electronic chart and real-time traffic; The autonomous navigation of the vehicle of coupling optimal path, and implementation automatically.Industries such as taxicar, service of cars on hire, logistics distribution utilize the GPS technology to vehicle follow the tracks of, management and running, the vehicle that rationally distributes, with the fastest speed responsive user by bus or refer to and ask, reduce energy resource consumption, save operating cost.Aspect private car; Continuous increase along with China's private car; Vehicle mounted GPS guidance system is also constantly improving, and clan owning cars carries out short-distance business travel and holiday tour day by day increases, and onboard navigation system can provide abundant value-added service for the private car car owner.Therefore, the application of GPS on private car is also extremely important.
Summary of the invention
Goal of the invention: to the problem and shortage of above-mentioned prior art existence; The purpose of this invention is to provide a kind of vehicle-mounted panoramic monitoring and register system in real time; Solve the narrow and small problem in automobile driver visual field in car, can write down the video of interior vehicle's surroundings environment of certain hour and flow of personnel state simultaneously.
Technical scheme: for realizing the foregoing invention purpose; The technical scheme that the present invention adopts is a kind of vehicle-mounted panoramic monitoring and register system in real time; Comprise video acquisition subsystem, data process subsystem, storage subsystem and display subsystem; Said video acquisition subsystem is used for the video data around the collection vehicle and the video data that collects is sent to data process subsystem; Said data process subsystem is used for outputing to storage subsystem and display subsystem with behind the video data decoding that receives.
Said video acquisition subsystem can comprise:
4 CMOS cameras (being called for short " camera "); Be used to obtain vehicle front, back and about two sides video data and be transferred to 4 camera controllers; One of them camera places automotive front, and one places automobile rear, and two other places the automobile both sides respectively; The camera of both sides, front and back is positioned at car, and it is outer near the side mirror position that the camera of both sides is positioned at operator's compartment;
4 camera controllers, be used to read in said CMOS camera collection to video data and be transferred to 4 microcontrollers;
4 microcontrollers (MCU) are used for 4 wireless transmitter modules are handled and be transferred to the video data compression that receives;
And 4 wireless transmitter modules, be used for the video data after the compression is sent to said data process subsystem.
Said data process subsystem can comprise:
4 wireless receiving modules are used to receive the video data of said video acquisition subsystem transmission and the video data that receives are transferred to CPU; And
The GPS locating module is used to receive the vehicle current position information, and location information is transferred to said CPU;
CPU is used for the video data decoding that receives is become vision signal, and vision signal and location information are outputed to storage subsystem and display subsystem;
And the NAND controller and the lcd controller that is used to control LCD that are used to control nand flash memory chip that link to each other with said CPU.
Said storage subsystem can be nand flash memory chip, is used to preserve said vision signal and location information, and can read and show again to prepare against and check later on; Said display subsystem can be LCD, is used to show said vision signal and location information.
Said LCD can be divided into a left side, go up right, a following left side and down right 4 viewing areas, shows 4 pictures that the CMOS camera is captured respectively.Said LCD can be installed in the right front of steering wheel for vehicle.
Beneficial effect:
1, native system has 4 cameras and can realize the omnibearing monitoring of vehicle's surroundings, has overcome the narrow shortcoming of existing monitored control system monitoring surface.Omnibearing monitoring can make chaufeur fully grasp the situation of vehicle's surroundings, thereby is beneficial to the operations such as reversing or turning of vehicle, reduces the generation of traffic accident.
2, the video data of camera collection sends to the data processing system in the operator's compartment through the 2.4G wireless transmitter module after overdraft, thereby wireless mode can avoid on vehicle, dismantling the difficulty that wiring reduces to connect up, and has reduced the cost of installing.
3, native system can also be preserved the vision signal in a period of time get off except real-time video pictures can be provided; Check so that in needs, transfer; Thereby improve the safety performance of vehicle, for example after occurrence of traffic accident, criminal case or vehicle are stolen, can produce evidence or clue.
4, LCD is installed in the bearing circle right front, can the picture concentrated area that 4 cameras are taken be shown.Installation site and centralized displaying can make chaufeur under the movement range of minimum, see the picture of 4 cameras, thereby reduce the dispersion of chaufeur attention to greatest extent, improve the safety of driving.
5, traditional video assisting car backing device only provides real-time video information, and native system also provides the location information of vehicle except video monitoring and writing function are provided.Integrated GPS locating module can be shown to the location information of vehicle on the LCD in real time in native system, simultaneously and vision signal be saved in the storage subsystem together.
Description of drawings
Fig. 1 is the entire block diagram of vehicle-mounted panoramic monitoring in real time and register system;
Fig. 2 (a) is the camera position birds-eye view;
Fig. 2 (b) is the camera position lateral plan;
Fig. 3 divides scheme drawing for the LCD viewing area.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment; Further illustrate the present invention; Should understand these embodiment only be used to the present invention is described and be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
The entire block diagram of system is as shown in Figure 1.After 4 CMOS cameras that vehicle's surroundings is installed capture image; Convert optical signal into analog electrical signal through CMOS; Converting analog electrical signal into digital signal through D/A converter module again (is the described video data of preamble; Be " wireless digital vision signal " among the figure), these digital signals are delivered to video acquisition subsystem inside through the camera controller of video acquisition subsystem.Sending to the 2.4G wireless transmitter module after the MCU of video acquisition subsystem compresses the digital signal that collects sends.Compression algorithm adopts H.264 compression algorithm.H.264 standard-compression algorithm is by video encoding layer (VCL) and network abstraction layer (Network Abstraction Layer, NAL) two parts composition.Comprise VCL coder and VCL demoder among the VCL, radical function is video data compaction coding and decoding, and it comprises compression unit such as motion compensation, transition coding, entropy coding.NAL then is used to VCL a unified interface that has nothing to do with network is provided; It transmits it after being responsible for video data encapsulated packing in network; It adopts uniform data format, comprises video data and framing, logical channel signaling, timing information, sequence conclusion signal of the header packet information of single byte, a plurality of bytes etc.Comprise storage mark and type code in the packet header.Storage mark is used to indicate current data not belong to by the frame of reference.Type code is used for the indicating image type of data.VCL can transmit the coding parameter by current network condition adjustment.The video acquisition subsystem through the 2.4G wireless transmitter module sending to the data process subsystem that is positioned at operator's compartment through the data behind the compressed encoding H.264.
GPS locating module in the data process subsystem can receive the vehicle current position information, and location information is transferred among the CPU handles.The video data decoding that CPU transmits the video acquisition subsystem becomes rgb video signal to be transferred on the LCD that is positioned at the bearing circle right front again, and the GPS location information also can output to LCD in the lump and go up centralized displaying simultaneously.
One in front and one in back be positioned at car in four CMOS cameras, near side the place ahead side mirror that other two are positioned at vehicle, in the outside of vehicle, shown in Fig. 2 (a), Fig. 2 (b).
The LCD of display subsystem can show the video information of 4 cameras simultaneously, and native system is divided into 4 parts with LCD, shows the video in 4 orientation respectively.The division of LCD is as shown in Figure 3.LCD is installed in the front portion in the operator's compartment, the right front of bearing circle.
Claims (8)
1. a vehicle-mounted panoramic is monitored and register system in real time; Comprise video acquisition subsystem, data process subsystem, storage subsystem and display subsystem; Said video acquisition subsystem is used for the video data around the collection vehicle and the video data that collects is sent to data process subsystem; Said data process subsystem is used for outputing to storage subsystem and display subsystem with behind the video data decoding that receives.
2. monitor in real time and register system according to the said vehicle-mounted panoramic of claim 1, it is characterized in that: said video acquisition subsystem comprises:
4 CMOS cameras, be used to obtain vehicle front, back and about two sides video data and be transferred to 4 camera controllers;
4 camera controllers, be used to read in said CMOS camera collection to video data and be transferred to 4 microcontrollers;
4 microcontrollers are used for 4 wireless transmitter modules are handled and be transferred to the video data compression that receives;
And 4 wireless transmitter modules, be used for the video data after the compression is sent to said data process subsystem.
3. monitor in real time and register system according to the said vehicle-mounted panoramic of claim 1, it is characterized in that: said data process subsystem comprises:
4 wireless receiving modules are used to receive the video data of said video acquisition subsystem transmission and the video data that receives are transferred to CPU; And
CPU is used for the video data decoding that receives is become vision signal and outputs to storage subsystem and display subsystem.
4. monitor in real time and register system according to the said vehicle-mounted panoramic of claim 3; It is characterized in that: said data process subsystem also comprises: the GPS locating module; Be used to receive the location information of vehicle; And location information is transferred to said CPU, said CPU outputs to storage subsystem and display subsystem with the location information that receives.
5. monitor in real time and register system according to the said vehicle-mounted panoramic of claim 3, it is characterized in that: said data process subsystem also comprises: the NAND controller and the lcd controller that is used to control LCD that are used to control nand flash memory chip that link to each other with said CPU; Said storage subsystem is a nand flash memory chip, is used to preserve said vision signal; Said display subsystem is LCD, is used to show said vision signal.
6. monitor in real time and register system according to the said vehicle-mounted panoramic of claim 4, it is characterized in that: said data process subsystem also comprises: the NAND controller and the lcd controller that is used to control LCD that are used to control nand flash memory chip that link to each other with said CPU; Said storage subsystem is a nand flash memory chip, is used to preserve said vision signal and location information; Said display subsystem is LCD, is used to show said vision signal and location information.
7. according to claim 5 or real-time monitoring of 6 said vehicle-mounted panoramics and register system, it is characterized in that: said LCD is divided into a left side, goes up right, a following left side and down right 4 viewing areas, shows 4 pictures that the CMOS camera is captured respectively.
8. monitor in real time and register system according to claim 5 or 6 said vehicle-mounted panoramics, it is characterized in that: said LCD is installed in the right front of steering wheel for vehicle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104461982A CN102514531A (en) | 2011-12-28 | 2011-12-28 | Vehicle-mounted real-time panorama monitoring and recording system |
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| CN2011104461982A CN102514531A (en) | 2011-12-28 | 2011-12-28 | Vehicle-mounted real-time panorama monitoring and recording system |
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| CN103568951A (en) * | 2012-08-09 | 2014-02-12 | 莊志勇 | Lens monitoring device for power line |
| CN103886653A (en) * | 2014-01-15 | 2014-06-25 | 柳州市华航电器有限公司 | Panorama image monitoring and driving recording system |
| CN108008596A (en) * | 2017-12-29 | 2018-05-08 | 百维雅（东莞）网络技术有限公司 | A kind of 360 degree of full-view image systems of solid and implementation method |
| CN108216084A (en) * | 2018-01-16 | 2018-06-29 | 江苏海天科技有限公司 | In-vehicle networking protocol blocking and editor's transponder |
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| CN103568951A (en) * | 2012-08-09 | 2014-02-12 | 莊志勇 | Lens monitoring device for power line |
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Application publication date: 20120627 |