CN101211471A - Car accident information recording method and route tracking method - Google Patents
Car accident information recording method and route tracking method Download PDFInfo
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- CN101211471A CN101211471A CNA2006101480321A CN200610148032A CN101211471A CN 101211471 A CN101211471 A CN 101211471A CN A2006101480321 A CNA2006101480321 A CN A2006101480321A CN 200610148032 A CN200610148032 A CN 200610148032A CN 101211471 A CN101211471 A CN 101211471A
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Abstract
The invention relates to a vehicle accident information recording method and a route tracking method, which comprises the following step: in the first step, shooting the routes on road through a plurality of cameras; in the second step, checking out a route image mode from the shot image; and in the third step, adjusting the route tracking operation according to the checked route image mode. A plurality of cameras are arranged in front of or below the vehicle according to certain interval in the invention, vehicle route graph can be obtained from the cameras; once finding the vehicle getting away from route, warning voice or warning information is output after detecting the route image mode based on the moving road of vehicles, and then automatically reduce the driving speed of vehicle. Safety driving of driver can be ensured and the crash accident caused by fatigue driving can be prevented by the method.
Description
Technical field
The present invention is the technology of relevant vehicle route method for tracing, refers in particular to a kind of car accident information recording method and the route tracking method that can prevent as the accident of the unknowns such as fatigue driving.
Background technology
The a part of vehicle that goes out recently newly developed, for can emergency, on the posterior bumper of vehicle and limit visor etc. miniature camera has been installed, the picture signal that miniature camera is taken shows by LCD such as navigation terminal (LCD) picture that is installed in vehicle interior.
The driver of these vehicles can more safely stop car after seeing the barrier of rear or side by above-mentioned LCD picture.Above-mentioned vehicle is parked in also can see other vehicles that are positioned at rear and side by LCD picture on the road during this period of time.So can more safely travel.
Though will be installed in the posterior bumper of above-mentioned vehicle and picture signal that the miniature camera on the visor of limit is shot is presented on the LCD in order to ensure the visual field of driver rear and side, in case have an accident, do not use as the image document of analyzing culprit.
In addition, when having an accident,, require exploitation vehicle black box (Car Black Box) for the more objective culprit of analyzing more accurately, but corresponding effective solution is not ready to, yet present truth is to be badly in need of preparing this solution.
Drive this situation as tired driver, we should take and follow the trail of and differentiate vehicle and whether broken away from the track according to road route, send corresponding alarm tone or output warning message afterwards, so that driver's steering vehicle safely, but present this solution does not have yet.Yet present truth is to be badly in need of preparing this solution.
Summary of the invention
Therefore, the present invention considers above-mentioned truth and a kind of new technology of proposing.Its objective is provides a kind of car accident information recording method and route tracking method, when can taking vehicle outside situation, detect vehicle-state, by it being stored on the lock reord medium, when getting into an accident, provide correctly a kind of vehicle black box method of the occurrence cause of analysis accident objectively.
In addition, another object of the present invention provide the place ahead of vehicle and below according to certain interval a plurality of video cameras are installed, can from above-mentioned video camera, extract vehicle route figure, and the road that can move according to vehicle is after detecting the route image model, in case when finding the vehicle derailing route, sound or output warning message then can give a warning, and reduce the travel speed of vehicle automatically, by a kind of car accident information recording method and the route tracking method that provides route tracking device that the driver is more safely driven.
For achieving the above object, comprise following step characteristic according to car accident information recording method route tracking method of the present invention.The 1st step is taken the route on the road by a plurality of video cameras; The 2nd step is checked outlet line image pattern in the image of above-mentioned shooting; The 3rd step according to the route image model of checking out, is regulated the operation of route tracking.
Above-mentioned shooting step it is characterized in that according to certain spacing the place ahead of car and below a plurality of video cameras are installed.The characteristics of above-mentioned inspection step are to extract route map in the video frame of photographic images, and then check out with route map as corresponding pattern.
The feature of above-mentioned regulating step is according to the above-mentioned route image model of finding that adds, in case judge the words of vehicle derailing route, then can send warning tones correspondingly or jump out warning message, then reduce travel speed or alleviate emergency condition automatically by electronic-controlled installation and the port thereof that is installed on the vehicle.
Effect of the present invention:
As mentioned above, car accident information recording method of the present invention and route tracking method, be specifically the place ahead of vehicle and below according to certain interval a plurality of video cameras are installed, can from above-mentioned video camera, extract vehicle route figure, and the road that can move according to vehicle is after detecting the route image model, in case when finding the vehicle derailing route, then can give a warning sound or output warning message, and reduce the travel speed of vehicle automatically.By said method, the car accident that can guarantee driver's safe driving and can prevent to cause because of fatigue driving etc. is so this invention is very useful invention.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is to the structure explanation according to car accident information storing method of the present invention.
Fig. 2 explanation be to be used for the embodiment that circular fish-eye lens on the camara module of the present invention and a plurality of CCD combine.
Fig. 3 is to the explanation according to camara module loop structure of the present invention.
Fig. 4 is to the synoptic diagram of the embodiment of power supply is provided according to car accident information recording method of the present invention.
Fig. 5 and Fig. 6 are to the structure explanation according to route tracking method of the present invention.
Fig. 7 is the synoptic diagram according to the case study on implementation of route tracking method of the present invention.
The symbol description of major part in the accompanying drawing:
10: storer 11: the black box controller
12:CAN module 13: message handler
14: video display 15,61,62,63: camara module
20,70: electronic-controlled installation 100: the vehicle black box
60: route tracking module 600:4 channel video demoder
601: route extraction apparatus 602:2D space structure device
603: the route tracking regulator
Embodiment
Below, the embodiment to car accident information recording method of the present invention and route tracking method is described in detail with reference to the accompanying drawings.
At first, according to car accident information recording device of the present invention as shown in Figure 1, mainly form storer 10, black box controller 11 by following a plurality of parts, CAN module 12, message handler 13, video display 14, and camara module 15, even because fatal accident causes vehicle to be ruined, above-mentioned storer 10 also can permanently be stored in information in the jumbo lock reord medium so that use at its eve.
On the other hand, above-mentioned black box controller 11 communicates by vehicle local net (CAN:Car Area Network) module 12 and vehicle-mounted electronic-controlled installation (ECU:Electronic Control Unit) 20, thereby the reception vehicle-state is as engine winding number vehicle status informations such as (RPM).
In addition, above-mentioned black box controller 11 receives the information that detects of various sensors (Sensor) 1 to k by message handler 13, is judging vehicle is on the storer 10 with the above-mentioned information storage that detects at the lock reord medium when whether can have an accident.As, comprised the engine status of automobile, pedal state, the one or more information in the impact conditions in the information that above-mentioned various sensors 1 to k are checked out at least.
Above-mentioned black box controller 11 is when regulating above-mentioned camara module 15, the picture signal that above-mentioned camara module 15 is taken is stored in the recording medium, as shown in Figure 2, Fig. 2 explanation be to be used for the embodiment that circular fish-eye lens on the camara module of the present invention and a plurality of CCD combine, (a) among Fig. 2 is top view, (b) be side view, in above-mentioned camara module 15,4 charge-coupled device (CCD)s (CCD) 151 to 154 are arranged with tetragonal shape, meanwhile also possess the fish-eye lens (Lens) 150 of the circle that can carry out 360 degree wide angle shots on the horizontal direction.
On the above-mentioned camara module (15), as shown in Figure 3, constitute: 4 CCD (CCD1-4) 151 to 154 and 4 channel video demoders 155 by following components), image rectifier (156), 3 dimension panoramic picture restoring devices (157), and 2 dimension image portions (158).The fish-eye lens 150 of the circular ring type that above-mentioned 4 CCD (CCD1-4) 151 to 154 show by Fig. 2 becomes current signal and output with the image transitions of subject in certain angle (as: more than the 90 degree) scope.
The current signal of in above-mentioned 4 channel video demoders 155 above-mentioned 4 CCD (CCD1-4) 151 to 154 being exported the i.e. ccd output signal of 4 channels is decoded in a certain order, and with the synthetic image output of the image sets of 4 subjects; Above-mentioned image rectifier 156) the untrue composition in Shu Chu the image (as with the untrue part in the middle of synthetic 1 image of the image of 4 objects) is corrected this part regional image.
The image that will finish to correct in above-mentioned 3 dimension panoramic picture restoring devices 157 carries out 3 dimension panoramic pictures demobilization operation, in 2 element image transmitters 158 3 dimension panoramic pictures is processed into 2 dimension images.
The image of the subject of above-mentioned 2 element image transmitters, 158 outputs is stored in the above-mentioned storer 10 by black box controller 11.This moment is in above-mentioned black box controller 11, the information that detects and above-mentioned vehicle local net (CAN) module 12 of each sensor (Sensor) 1 to k that above-mentioned message handler 13 receives receive car status information from above-mentioned electronic-controlled installation (ECU) 20, and upgrade a series of operations such as storage with the image of subject in last storer 10.
In addition, in above-mentioned black box controller 11, judge with reference to the information that detects and the car status information of each sensor (Sensor) 1 to k whether vehicle can have an accident.If have an accident, store object picture and various information before this and will permanently be kept in the above-mentioned storer 10, and can stop to upgrade operation automatically in case differentiate vehicle.
As described in Figure 4, at above-mentioned camara module, video display, sensor, small-sized battery 160 to 164 has been installed for use on message handler and the black box control device respectively, as the power supply that is used to keep the vehicle black box of supervisory work state is at first supplied with, and to use be automobile batteries (Car Battery).
Later on when automobile batteries during all in discharge, the power supply that charges to compact battery just is taken as supply power and has used so.Even run into like this owing to this situation of the long power supply that causes the automobile batteries approach exhaustion or the third party deliberately to remove automobile batteries down time, the function for monitoring of black box also can be kept considerable time.
Fig. 5 is that above-mentioned route tracking device is made of a plurality of video cameras to the structure explanation according to route tracking of the present invention.Such as the 1st video camera (Cam1) 61 has been installed on the front bumper of vehicle 500 for the route of taking vehicle front, as shown in Figure 5, for the route of taking right side front wheel 501 parts and middle body has been installed the 2nd video camera (Cam2) 62 and the 3rd video camera (Cam3) 63 below vehicle, in addition also below the 4th video camera (Cam4) 64 that can take left side front-wheel 501 part routes has been installed, these video cameras all are at regular intervals.
Also possessed route tracking module 60 on this external above-mentioned route tracking device, above-mentioned route tracking module 60 can be regulated electronic-controlled installation (ECU) 70 and the interface that are installed on the automobile, as shown in Figure 6, it is by 4 channel video demoders 600 and route extraction apparatus 601, and 2D space structure device 602 and route tracking regulator 603 compositions.
In the vehicle moving process, above-mentioned route tracking module 60 drives (Enable) the 1st to the 4th video camera (Cam1-Cam4) 61 to 64 by regulating electronic-controlled installation 70 and interface, makes vehicle not carry out unnecessary route tracking under situation about not moving.
If owing to moving of vehicle causes above-mentioned route tracking module 60 and 61 to 64 operations of the 1st to the 4th video camera (Cam1-Cam4), each video camera picture shot will be transfused to 4 channel video demoders 600 so, in 4 channel video demoders 600, above-mentioned Flame Image Process is become digital of digital video data, then by each video structure output.
Above-mentioned route extraction apparatus 601 is meant and extracts the route map that identifies on the road in the video structure of output.As shown in Figure 7, if vehicle 500 does not surmount the route scope cruising that identifies on the road, to in the video structure that above-mentioned the 1st video camera 1 (Cam1) 61 is taken, check out the place ahead route map so, to in the video structure that the 2nd video camera (Cam2) 62 is taken, check out the route map of right side part, in the video structure that the 3rd video camera (Cam3) 63 is taken, can not check route map, in the video structure that the 4th video camera (Cam4) 64 is taken, detect out the route map of right side part.
If vehicle 500 surmounts the route right side scope that identifies on the road, to in the video structure that above-mentioned the 1st video camera (Cam1) 61 is taken, check the place ahead route map of right side sight line so, to in the video structure of the 2nd video camera (Cam2) 62 and 63 shootings of the 3rd video camera (Cam3), can not check route map, in the video structure that the 4th video camera (Cam4) 64 is taken, check out the route map of right side part.
If vehicle 500 surmounts the route left side scope that identifies on the road, to in the video structure that above-mentioned the 1st video camera (Cam1) 61 is taken, check the place ahead route map of left side sight line so, to in the video structure of the 4th video camera (Cam4) 64 and 63 shootings of the 3rd video camera (Cam3), can not check route map, in the video structure that the 2nd video camera (Cam2) 62 is taken, check out the route map of left part.
In addition by above-mentioned route extraction apparatus 601 and 2D space structure device 602) with above-mentioned 4 route maps input route tracking regulator 603, in above-mentioned route tracking regulator 603, above-mentioned 4 route maps are made up, and the route image model that vehicle is moved compares with the various route image models of record in advance and judges whether vehicle has broken away from route.
If judge when present vehicle 500 has exceeded route scope on the road, to in above-mentioned route tracking regulator 603, regulate so electronic-controlled installation (ECU) and interface thereof, send the warning tones when being similar to fatigue driving or export warning message etc., simultaneously can also alleviate emergency condition automatically, reduce Vehicle Speed, prevent furious driving.
Like this, the driver of fatigue driving will more safely drive because know that vehicle has broken away from route, has prevented the collision incident that causes as fatigue driving etc. naturally.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (5)
1. car accident information recording method and route tracking method is characterized in that may further comprise the steps:
The 1st step is taken the route on the road by a plurality of video cameras;
The 2nd step is checked outlet line image pattern in the image of above-mentioned shooting;
The 3rd step according to the route image model of checking out, is regulated the operation of route tracking.
2. car accident information recording method as claimed in claim 1 and route tracking method is characterized in that:
The shooting step of above-mentioned the 1st step be according to a spacing the place ahead of car and below a plurality of video cameras be installed carried out.
3. car accident information recording method as claimed in claim 2 and route tracking method is characterized in that:
The inspection step of above-mentioned the 1st step is to extract route map in the video frame of photographic images, and then checks out the pattern corresponding with the route image slices.
4. car accident information recording method as claimed in claim 1 and route tracking method is characterized in that:
The regulating step of above-mentioned the 3rd step is according to the above-mentioned route image model of finding that adds, in case judge the vehicle derailing route, then can send warning tones correspondingly or jump out warning message.
5. car accident information recording method as claimed in claim 1 and route tracking method is characterized in that:
The regulating step of above-mentioned the 3rd step is to reduce travel speed or alleviate emergency condition automatically by electronic-controlled installation and the port thereof that is installed on the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101480321A CN101211471A (en) | 2006-12-26 | 2006-12-26 | Car accident information recording method and route tracking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101480321A CN101211471A (en) | 2006-12-26 | 2006-12-26 | Car accident information recording method and route tracking method |
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| CN101211471A true CN101211471A (en) | 2008-07-02 |
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| CNA2006101480321A Pending CN101211471A (en) | 2006-12-26 | 2006-12-26 | Car accident information recording method and route tracking method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992778A (en) * | 2010-08-24 | 2011-03-30 | 上海科世达-华阳汽车电器有限公司 | Lane deviation early warning and driving recording system and method |
| CN102542635A (en) * | 2012-02-09 | 2012-07-04 | 重庆长安汽车股份有限公司 | Car recorder combined with lane deviation alarming system |
| US20150317525A1 (en) * | 2011-12-06 | 2015-11-05 | Mobileye Vision Technologies Ltd. | Road vertical contour detection |
| CN110728770A (en) * | 2019-09-29 | 2020-01-24 | 深圳市大拿科技有限公司 | Vehicle running monitoring method, device and system and electronic equipment |
-
2006
- 2006-12-26 CN CNA2006101480321A patent/CN101211471A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992778A (en) * | 2010-08-24 | 2011-03-30 | 上海科世达-华阳汽车电器有限公司 | Lane deviation early warning and driving recording system and method |
| CN101992778B (en) * | 2010-08-24 | 2013-11-27 | 上海科世达-华阳汽车电器有限公司 | Lane deviation early warning and driving recording system and method |
| US20150317525A1 (en) * | 2011-12-06 | 2015-11-05 | Mobileye Vision Technologies Ltd. | Road vertical contour detection |
| US9826199B2 (en) * | 2011-12-06 | 2017-11-21 | Mobileye Vision Technologies Ltd. | Road vertical contour detection |
| US10084992B2 (en) | 2011-12-06 | 2018-09-25 | Mobileye Vision Technologies Ltd. | Road vertical contour detection |
| US10506200B2 (en) | 2011-12-06 | 2019-12-10 | Mobileye Vision Technologies Ltd. | Road vertical contour detection |
| US10863140B2 (en) | 2011-12-06 | 2020-12-08 | Mobileeye Vision Technologies Ltd. | Road vertical contour detection |
| US11240471B2 (en) | 2011-12-06 | 2022-02-01 | Mobileye Vision Technologies Ltd. | Road vertical contour detection |
| CN102542635A (en) * | 2012-02-09 | 2012-07-04 | 重庆长安汽车股份有限公司 | Car recorder combined with lane deviation alarming system |
| CN110728770A (en) * | 2019-09-29 | 2020-01-24 | 深圳市大拿科技有限公司 | Vehicle running monitoring method, device and system and electronic equipment |
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