CN103043021A - Omni-directional automotive active safety system with integrated five-channel video detection function - Google Patents
Omni-directional automotive active safety system with integrated five-channel video detection function Download PDFInfo
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- CN103043021A CN103043021A CN2013100030197A CN201310003019A CN103043021A CN 103043021 A CN103043021 A CN 103043021A CN 2013100030197 A CN2013100030197 A CN 2013100030197A CN 201310003019 A CN201310003019 A CN 201310003019A CN 103043021 A CN103043021 A CN 103043021A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
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Abstract
The invention relates to an automotive safety system, in particular to an omni-directional automotive active safety system with an integrated five-channel video detection function. The omni-directional automotive active safety system comprises a sensing subsystem, an analysis and decision subsystem and an early warning subsystem; the sensing subsystem comprises a video acquisition module, a body information acquisition module and a system setting input module; the analysis and decision subsystem comprises a lane departure module, a front automobile detection module, a pedestrian detection module, a blind zone detection module, a rear automobile detection module and a driver monitoring module; and the early warning subsystem comprises a video early warning unit and an audible alarm unit. The omni-directional automotive active safety system has the advantages that a lane departure condition of an automobile with the omni-directional automotive active safety system, distances from the automobile to automobiles in front of the automobile, distances from the automobile to pedestrians, a blind zone condition, distances from the automobile to automobiles at the rear of the automobile and a driving state of a driver are monitored in real time by realizing the integrated five-channel video detection function for the automobile, the driver is timely reminded when risks are sensed, and shortcomings of a simple single-channel video function and incomprehensive detection environments are overcome.
Description
Technical field
The present invention relates to a kind of automobile safety system, relate in particular to the omnidirectional vehicle active safety system that a kind of integrated five road videos detect.
Background technology
Along with socioeconomic development, auto-industry rapidly advance, and have greatly expanded people's life radius, have improved work efficiency.But meanwhile, increasing rapidly of automobile pollution also brought severe traffic problems, and the traffic accident of nationwide and personal casualty are also in continuous increase.Safety has become people's focus and the important issue of each large automobile vendor.
Vehicle safety has dividing of passive security and active safety.Problem when passive security solution accident occurs, such as safety air bag, safety strap etc., active safety then is the generation of advance preventing accident, such as deviation, night vision system etc.Traditional passive security can't satisfy people's demand for security far away, so the active safety technology becomes the new focus of automotive safety technical development.
At present, the automobile active safety technical functionality is of a great variety, technological means is different, obtain vehicle-state and running environment thereof by utilizing sensing technology, the communication technology, computer technology etc., and these information are carried out analyzing and processing, send early warning information according to analysis result or to the driver, or auxiliary even alternative driver's operating and controlling vehicle, to guarantee that Vehicle Driving Cycle is at the state of a safety.The advantages the such as wherein system based on vision technique is simple with its realization, cost is relatively cheap, obtaining information is abundant become the study hotspot in automobile active safety field.At present, have and utilize monocular cam to detect the place ahead pedestrian, vehicle, spacing, lane mark, and the safety system of early warning information is provided; The blind area checking system that utilizes the both sides camera to detect the backsight blind area is arranged; Also have various vehicle-mounted rear-viewing systems etc.But these systems are separate, and processing module is separately arranged, and only realize the visually-perceptible on the specific direction.If all install, then process is loaded down with trivial details, complex circuit.
Summary of the invention
The present invention overcomes above-mentioned weak point, purpose is to provide a kind of omnidirectional vehicle active safety system of integrated five road videos detection, solve existing single, the incomplete deficiency of testing environment of single channel video capability, the comprehensive traffic safety situation that detects in real time vehicle.
The present invention achieves the above object by the following technical programs: the omnidirectional vehicle active safety system that a kind of integrated five road videos detect comprises: perception subsystem, analysis decision subsystem, early warning subsystem; Described perception subsystem comprises: video acquisition module, vehicle body information acquisition module, default load module; Described analysis decision subsystem comprises: deviation module, front vehicles detection module, pedestrian detection module, blind area detection module, front vehicle detection module, chaufeur monitoring modular; Described early warning subsystem comprises: video prewarning unit, audible alarm unit; The perception subsystem is connected with the analysis decision subsystem, and the analysis decision subsystem is connected with the early warning subsystem; Described video acquisition module, vehicle body information acquisition module, default load module output information are to the analysis decision subsystem, Output rusults behind each module analysis process information of analysis decision subsystem, Output rusults shows in video prewarning unit, audible alarm unit.
As preferably, described video acquisition module comprises five road cameras, takes respectively the facial characteristics that reaches chaufeur all around of automobile.
As preferably, described five road cameras are input to the USB video frequency collection card by the CVBS interface, and the USB video frequency collection card links to each other with the analysis decision subsystem by USB interface.
As preferably, described vehicle body information acquisition module gathers vehicle body information by CAN bus or analog signal line.
As preferably, described video prewarning unit is light-emitting diode display.
As preferably, described audible alarm unit is buzzer phone.
As preferably, the default load module is the default button set, and default button set management deviation value, front and back detecting test of vehicle distance, blind area measuring ability susceptibility, alarm sound are big or small.
Beneficial effect of the present invention is: detect vehicle by integrated 5 road videos, the deviation situation of Real-Time Monitoring vehicle, with front vehicles distance, with pedestrian's distance, blind area situation, with front vehicle apart from, driver drives vehicle state, timely reminding driver when perceiving danger remedies that the single channel video capability is single, the incomplete deficiency of testing environment.
Description of drawings
Fig. 1 is principle schematic of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the installation site scheme drawing of five road cameras of the present invention;
Among the figure: 1, forward sight camera; 2, left back side-looking camera; 3, right back side-looking camera; 4, rearview camera; 5, look camera in; 6, USB video frequency collection card; 7, active security management unit; 8, man-machine interaction unit; 9, light-emitting diode display; 10, buzzer phone; 11, default button set; 12, vehicle body information acquisition unit.
The specific embodiment
The present invention is described further below in conjunction with specific embodiment, but protection scope of the present invention is not limited in this:
Embodiment 1: as shown in Figure 1, the omnidirectional vehicle active safety system that a kind of integrated five road videos detect comprises: perception subsystem, analysis decision subsystem, early warning subsystem; Described perception subsystem comprises: video acquisition module, vehicle body information acquisition module, default load module; Described analysis decision subsystem comprises: deviation module, front vehicles detection module, pedestrian detection module, blind area detection module, front vehicle detection module, chaufeur monitoring modular; Described early warning subsystem comprises: video prewarning unit, audible alarm unit; The perception subsystem is connected with the analysis decision subsystem, and the analysis decision subsystem is connected with the early warning subsystem; Described video acquisition module, vehicle body information acquisition module, default load module output information are to the analysis decision subsystem, Output rusults behind each module analysis process information of analysis decision subsystem, Output rusults shows in video prewarning unit, audible alarm unit.
Fig. 2 is the structural representation of the specific embodiment of the invention, the omnidirectional vehicle active safety system that a kind of integrated five road videos detect by: camera group, vehicle body information acquisition unit 12, active security management unit 7, man-machine interaction unit 8 form; As shown in Figure 3, the camera group comprises: be installed in the forward sight camera 1 on the front windshield, be installed on respectively the left back side-looking camera 2 at vehicle sided mirror unit place, right back side-looking camera 3, be installed in the rearview camera 4 on the rear seat windscreen, be installed in chaufeur the place ahead in look camera 5; Man-machine interaction unit comprises: light-emitting diode display 9, buzzer phone 10, default button set 11.
The camera group uses the CVBS interface to be input to USB video frequency collection card 6, the USB video frequency collection card is connected with active security management unit 7 by USB interface, active security management unit 7 is connected with vehicle body information acquisition unit 12, gathers vehicle speed signal, windscreen wiper signal, brake signal, the steering indicating light signal of vehicle body information acquisition unit management 12 by the CAN bus.Alarm message after active security management unit 7 will be processed is transferred to light-emitting diode display 9 and the buzzer phone 10 of man-machine interaction unit 8.The default button set 11 management deviation values of man-machine interaction unit 8, front and back detecting test of vehicle distance, blind area measuring ability susceptibility, alarm sound size, default button set 11 arrives active security management unit 7 with the default input information.
After the system parameter of the video information of active security management unit 7 receptions five road cameras, the vehicle body information of vehicle body information acquisition unit 12,11 settings of default button set, output information is used for management deviation module, front vehicles detection module, pedestrian detection module, blind area detection module, front vehicle detection module, chaufeur monitoring modular.
The present invention is used for realizing that deviation, front vehicles detection, pedestrian detection, blind area are detected, front vehicle detects, the principle of work of chaufeur monitoring six functions module:
1) deviation module: the deviation module is obtained the video information that forward sight camera 1 gathers, and utilizes image processing algorithm identification lane mark, and follows the tracks of lane mark with Kalman filter, simultaneously the lane detection input information is arrived the front vehicles detection module; The deviation module is analyzed in conjunction with lane detection information, speed information, steering indicating light information, brake information, when judging that vehicle occurs departing from situation, active security management unit 7 output alarm information, display alarm information and buzzer phone 10 send chimes of doom on the light-emitting diode display 9.
2) front vehicles detection module: the front vehicles detection module obtains and analyzes the video information of lane detection information and 1 collection of forward sight camera, utilize the vehicle tail rectangular edges, the taillight feature, video information is carried out pattern match with the identification vehicle, monitoring front vehicles, utilize simultaneously the lane detection information sifting to go out with the lanes vehicle, in conjunction with after self vehicle body information, calculate the value of collision time, and when output is apart from information, it is the time that vehicle will bump apart from information when described, when distance is less than preset value at that time, active security management unit 7 output alarm information, display alarm information and buzzer phone 10 send chimes of doom on the light-emitting diode display 9.
3) pedestrian detection module: the pedestrian detection module receives the video information that forward sight camera 1 gathers, utilize the dynamic change same and multiple image of single-frame images human body contour outline feature to identify the pedestrian, simultaneously in conjunction with the potential collision risk of vehicle body information analysis, in the time may occurring colliding, active security management unit 7 output alarm information, display alarm information and buzzer phone 10 send chimes of doom on the light-emitting diode display 9.
4) blind area detection module: the vehicle side rear is monitored, receive the video information of left back side-looking camera 2,3 outputs of right back side-looking camera, utilize graphicinformation identification proceeds posterolateral vehicle, simultaneously in conjunction with vehicle body information, may potential collision risk occur the time when judging the vehicle lane change, active security management unit 7 output alarm information, display alarm information and buzzer phone 10 send chimes of doom on the light-emitting diode display 9.
5) front vehicle detection module: receive the video information that rearview camera 4 gathers, front vehicle is identified and is calculated the value of collision time, when system is thought may potential collision risk occur the time, active security management unit 7 output alarm information, display alarm information and buzzer phone 10 send chimes of doom on the light-emitting diode display 9.
6) chaufeur monitoring modular: look the video information that camera 5 gathers in the reception, the chaufeur face is detected, shape and movable manifold the extraction in real time, exactly and dynamic analysis to eyelid, eyeball, when system thinks that chaufeur is in fatigue state, active security management unit 7 output alarm information, display alarm information and buzzer phone 10 send chimes of doom on the light-emitting diode display 9.
In the present embodiment, front vehicles detection module and front vehicle detection module are monitored front and back 90m scope with interior vehicle by the video information of forward sight camera 1 collection respectively; The deviation module is at speed of a motor vehicle v〉be activated during 60km/h; The pedestrian detection module is activated when speed of a motor vehicle v＜50km/h, the pedestrian in the video information monitoring 3-30m scope that the pedestrian detection module gathers by forward sight camera 1; The blind area detection module is at speed of a motor vehicle v〉be activated during 60km/h, the blind area detection module is by the blind sector of side distance wide 3m, long 9.5m after left back side-looking camera 2 and right back side-looking camera 3 monitorings.Module after the activation begins reception information and work immediately, until speed of a motor vehicle auto sleep when not satisfying activation condition.
Above described be specific embodiments of the invention and the know-why used, if the change of doing according to conception of the present invention when its function that produces does not exceed spiritual that specification sheets and accompanying drawing contain yet, must belong to protection scope of the present invention.
Claims (7)
1. the omnidirectional vehicle active safety system that integrated five road videos detect is characterized in that, comprising: perception subsystem, analysis decision subsystem, early warning subsystem; Described perception subsystem comprises: video acquisition module, vehicle body information acquisition module, default load module; Described analysis decision subsystem comprises: deviation module, front vehicles detection module, pedestrian detection module, blind area detection module, front vehicle detection module, chaufeur monitoring modular; Described early warning subsystem comprises: video prewarning unit, audible alarm unit; The perception subsystem is connected with the analysis decision subsystem, and the analysis decision subsystem is connected with the early warning subsystem; Described video acquisition module, vehicle body information acquisition module, default load module output information are to the analysis decision subsystem, Output rusults behind each module analysis process information of analysis decision subsystem, Output rusults shows in video prewarning unit, audible alarm unit.
2. the omnidirectional vehicle active safety system of a kind of integrated five road videos detection according to claim 1 is characterized in that described video acquisition module comprises five road cameras, takes respectively the facial characteristics that reaches chaufeur all around of automobile.
3. the omnidirectional vehicle active safety system that detects of a kind of integrated five road videos according to claim 2, it is characterized in that, described five road cameras are input to the USB video frequency collection card by the CVBS interface, and the USB video frequency collection card links to each other with the analysis decision subsystem by USB interface.
4. the omnidirectional vehicle active safety system of a kind of integrated five road videos detection according to claim 1 is characterized in that, described vehicle body information acquisition module gathers vehicle body information by CAN bus or analog signal line.
5. the omnidirectional vehicle active safety system of a kind of integrated five road videos detection according to claim 1 is characterized in that described video prewarning unit is light-emitting diode display.
6. the omnidirectional vehicle active safety system of a kind of integrated five road videos detection according to claim 1 is characterized in that described audible alarm unit is buzzer phone.
7. the omnidirectional vehicle active safety system that detects of a kind of integrated five road videos according to claim 1, it is characterized in that, the default load module is the default button set, default button set management deviation value, front and back detecting test of vehicle distance, blind area measuring ability susceptibility, alarm sound size.
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| CN105620489A (en) * | 2015-12-23 | 2016-06-01 | 深圳佑驾创新科技有限公司 | Driving assistance system and real-time warning and prompting method for vehicle |
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| CN107054223A (en) * | 2016-12-28 | 2017-08-18 | 重庆长安汽车股份有限公司 | It is a kind of to be shown based on the driving blind area that panorama is shown and caution system and method |
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| CN108674313A (en) * | 2018-06-05 | 2018-10-19 | 浙江零跑科技有限公司 | A kind of blind area early warning system and method based on vehicle-mounted back vision wide angle camera |
| CN109094502A (en) * | 2018-08-06 | 2018-12-28 | 百度在线网络技术（北京）有限公司 | Method for security protection, device and storage medium |
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Application publication date: 20130417 |