CN101178854A - Traffic roads image multi-way grasp shoot method and electronic policeman system - Google Patents
Traffic roads image multi-way grasp shoot method and electronic policeman system Download PDFInfo
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- CN101178854A CN101178854A CN 200710166204 CN200710166204A CN101178854A CN 101178854 A CN101178854 A CN 101178854A CN 200710166204 CN200710166204 CN 200710166204 CN 200710166204 A CN200710166204 A CN 200710166204A CN 101178854 A CN101178854 A CN 101178854A
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Abstract
The invention relates to an electronic police system for multi-way snap-shotting images of traffic roads. The invention mainly comprises a master control unit, a forward control unit, a forward camera, a lateral control unit and a lateral camera. The master control unit analyzes and judges whether red light runners exist according to traffic signals and roads information; if the red light runners exist, the associated information is input to the forward and lateral control units; and the forward and lateral control units generate corresponding snapshot data by cameras according to the associated information of the red light runners, and send to the respectively controlled forward and lateral cameras. The forward and lateral cameras can adopt high-speed integration dome cameras; and a master video controller of the master control unit can adopt an embedded ARM7 chip with high performance. The invention applies the means of multiway snapshot to acquire the images of vehicles against rules, thus overcoming deficiency of red glare which disturbs people for a long time, and ensuring the quality of the images acquired. The invention is mainly adopted to monitor and administer road traffic.
Description
Technical field
The present invention relates to electronic police system, is a kind of multi-way grasp shoot method and a kind of electronic police system that is mainly used in the multi-way grasp shoot of road traffic supervision and management of traffic roads image specifically.
Background technology
The electronic police system that is used for the road supervision comprises video camera that is used to monitor and the video camera that is used to capture, also comprise the main control unit accepting and analyze the surveillance camera image information and information is handled and analyzed and capture the candid photograph camera control unit of control to capturing video camera according to the output of main control unit, described surveillance camera can independently be provided with, also can adopt some or several candid photograph video cameras wherein, surveillance camera and the corresponding video camera of capturing are integrated, used video camera can adopt traditional rifle formula video camera, more can adopt advanced high-speed dome one video camera, so that the simplified apparatus structure improves overall performance.Be the monitoring vehicle situation of making a dash across the red light, described main control unit can be provided with the red light monitor, is used to obtain red light phase information, and this information is sent into the Primary Video Controller of main control unit.Be positional information, velocity information and/or the information of vehicle flowrate etc. that obtain vehicle, described main control unit can also be provided with the vehicle monitoring device, is used to obtain car speed information and information of vehicle flowrate, and sends into the Primary Video Controller of main control unit.The pavement image information that described Primary Video Controller is sent into above-mentioned red light phase information, vehicle position information, speed information and surveillance camera is analyzed, judge whether to exist vehicle unlawful practices such as vehicle makes a dash across the red light and/or drives over the speed limit, if there is unlawful practice, then generate candid photograph information and send into the Video Controller of capturing video camera, capturing video camera by the control module control of capturing video camera captures, obtain the picture and/or the video segment of vehicle in violation of rules and regulations, with foundation as traffic administration and violation administrative penalty.
Under prior art, video camera generally is arranged to take along vehicle heading (can abbreviate as to), promptly be positioned at the top, track or the slightly skew of back, crossing, be used for forward and take the rear view picture of vehicle, on image, show vehicle location and back car plate, the identification of judgement and vehicle identification number so that make a dash across the red light, also there is minority producer that video camera is arranged to take against vehicle heading (can abbreviate subtend as), promptly be positioned at the top, track or the slightly skew of front, crossing, be used for forward and take the front view picture of vehicle, on image, show vehicle location and preceding car plate.These styles of shooting are from the forward of vehicle and traffic lights and take, illumination is preferably under the situation by day, generally can both obtain high-quality picture and/or video segment, but under cloudy day and the bad situation of light at night, because background is too dark, it is very big that the relative brightness of red light will become, large-area dazzle can appear on picture that this moment, forward was filmed and/or the video segment, vehicle identification number is unintelligible even can't offer an explanation, if as the law enforcement foundation, its conviction property will be had a greatly reduced quality with this.
In addition, the somebody catches electronic police system only to take the defective of car rear portion photo, deliberately with mud, paper slip, CD disc or even spray liniment to car after board carry out malice and block, make the image taken and/or the license plate number information in the video segment imperfect or do not show, can't be as the foundation of law enforcement, thus escape the punishment of law.And block for this malice, the police is to find when checking in the vehicle front, could realize from vehicle back after having only vehicle to sail out of, and therefore wants to find and correction has certain degree of difficulty by the road inspection.
At the problems referred to above, the applicant on the basis of existing technology, according to existing video camera particularly high speed one spherical camera (can abbreviate the ball machine as) take characteristic, various candid photograph modes have been carried out a large amount of experiments, discovery is under the mode that side direction is taken, the red light dazzle under the situation of background dim light be can reduce significantly, high-quality picture and/or video segment obtained.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of traffic roads image multi-way grasp shoot method, a kind of electronic police system of multi-way grasp shoot also is provided, adopt this method or this system, no matter by day still can both obtain high-quality image when light is dull during well lighted at night.
The present invention realizes that the technical scheme of above-mentioned purpose is:
A kind of traffic roads image multi-way grasp shoot method, it adopts forward video camera and side direction video camera the traffic route situation to be comprised the multi-way grasp shoot of forward and side direction.
Described side direction video camera is provided with the side that can control its rotation and claps angle controller, described side is clapped the angle controller reception and is clapped the angle steering order from the side of main control unit, controlling described side direction video camera rotates, it is the candid photograph of purpose that described main control unit controls regularly that the side direction video camera carries out clapping angle with automatic adjustment side, the picture quality of obtaining is judged, when picture quality is undesirable, clap angle controller to described side and send the steering order that control side direction video camera rotates, adjust the side direction camera angle until obtaining satisfactory picture quality or the side direction video camera being captured angle to the best of adjusting to this time.
A kind of traffic roads image multi-way grasp shoot electronic police system, it captures forward video camera and the side direction video camera that side direction is taken that comprises at least in the video camera that a forward is taken.
The invention has the beneficial effects as follows: take by increasing side direction, overcome the red light glare problem on long-term puzzlement people's the direct picture, avoided the red light dazzle, guaranteed the quality of image capturing the adverse effect that image produces; The image of different directions can confirm and replenish mutually, fully shows the situation of vehicle in violation of rules and regulations, has helped avoiding error in judgement; To because of after the malice of taking pictures block the problem that the trade mark that causes can't be offered an explanation, also can take and solve by subtend is set.
Description of drawings
Fig. 1 is a structural representation block diagram of the present invention;
Fig. 2 is the mode of operation handover control system of side direction video camera of the present invention.
Embodiment
Referring to Fig. 1, comprise forward video camera and the side direction video camera that side direction is taken that a forward is taken in the candid photograph video camera of this electronic police system at least.
The control system of this electronic police system is mainly by main control unit, the forward control module, described forward video camera, side direction control module and described side direction video camera are formed, described main control unit is according to red signal and road information, analyze and judge whether to exist the incident of making a dash across the red light, when occurring making a dash across the red light incident, respectively to described forward control module and side direction control module input relevant information (for example make a dash across the red light event occurrence information and vehicles running red light positional information etc.), described forward control module and described side direction control module are according to making a dash across the red light the incident relevant information, generate corresponding video camera and capture data, send to the forward and the side direction video camera of control separately.
Described main control unit is mainly by the red light detecting device, Video Controller and main communication interface are formed, and can be provided with surveillance camera and/or wagon detector, described side direction control module is mainly by master communication interface, Video Controller and shooting communication interface are formed, wherein said red light detecting device detects the red light phase at current crossing in real time, and status signal is sent to the Primary Video Controller of described main control unit, described surveillance camera and/or vehicle monitoring device obtain road vehicle condition diagram picture and vehicle position information in real time, be sent to the Primary Video Controller of described main control unit, these information all constitute described road information.Described Primary Video Controller is a control core of the present invention, can adopt high performance embedded-type ARM 7 chips, and be provided with corresponding analysis and control program, described analysis and control program can adopt prior art, its red light information and road information (vehicle position information and/or road vehicle situation image information etc.) to input carries out Error processing, after the data statistics, carry out logical operation, when confirming that this is when vehicle makes a dash across the red light, the incident relevant information of making a dash across the red light is sent to the forward Video Controller of described forward control module and the side direction Video Controller of described side direction video control unit by master communication interface immediately, described forward Video Controller and described side direction Video Controller are after receiving these information, best proportion relation according to photo opporunity and photo angle, calculating the best of the video camera of being controlled takes pictures constantly and best photo angle, and with these data by its shooting communication interface send to the video camera of being controlled, described video camera is taken pictures and/or is recorded a video according to these data, and it is clear to obtain, on-the-spot accurately evidence.
Described side direction video camera can also be provided with the side that can control its rotation and clap angle controller, and described side is clapped the angle controller reception and clapped the angle steering order from the side of main control unit, controls the angle that described side direction video camera turns to command request.This angle can for example determine that by test best side is clapped angle and the relation curve of time (constantly) (or chart) in certain next day in season according to test findings by program setting, to clap the foundation of angle as regulating the side direction camera side.
For improving the quality of side direction grasp shoot image, can also side be clapped angle by automatic control mode and calibrate automatically, clap effect to obtain satisfied side.Described main control unit according to pre-set programs and parameter regularly detect vehicle by the time send the side direction grasp shoot instruction to the side direction video camera, and the image that the side direction video camera obtains according to this instruction is carried out picture quality judge, for example discern license plate number, when judging the picture quality conformance with standard, do not send and adjust the steering order that side is clapped angle, when judging that picture quality does not meet standard, clap angle controller to described side and send the steering order of adjusting side bat angle, control side direction video camera rotating certain angle, repeat to judge the process of picture quality then, until judging that picture quality meets the requirements.The rotation direction of side direction video camera can be changeed according to the single direction of setting earlier, still can not obtain satisfactory picture quality as turning to the limit in this direction, then returning the original position rotates round about, until obtaining satisfied picture quality, if still can not obtain satisfied picture quality, then adjust to the best relatively angle of picture quality (main control unit can provide quantitative data and store these data) when judging picture quality; Can with the original position center also, rotate (the rotation privileged direction of setting) to a direction earlier, as can not get satisfactory picture quality, then rotate in the opposite direction with respect to the original position, until obtaining satisfactory picture quality, if still finally can not obtain satisfied picture quality, then adjust to the best relatively angle of picture quality.
Also can adopt other modes to carry out the automatic control that the side direction camera side is clapped angle, make in certain candid photograph picture quality that obtains constantly to meet the requirements.
The course of work of the present invention is as follows:
1, adopts the red light detecting device that this is monitored in real time to red signal, and testing result is sent to described Primary Video Controller.Described red light detecting device adopts ripe at present finished product assembly to get final product, and the signal of its sensor output is a digital electric signal;
2, adopt wagon detector that the position and the speed of the vehicle of this direction are monitored in real time, and testing result is sent to Video Controller.Described wagon detector adopts ripe at present finished product assembly to get final product, and the signal of its sensor output is a digital electric signal;
3, as the ARM7 chip of Primary Video Controller the red light phase information, the vehicle location status information that receive are repeatedly sampled, take 4 to select 3 principle, prevent to disturb, and carry out logic determines; At this when being red light phase, if this to vehicle also moving ahead or exceeding the restraining line, then be judged to be the incident of making a dash across the red light and take place, part carries out record as to this, and notifies described forward Video Controller and side direction Video Controller by master communication interface with relevant information.Based on control accuracy with capture the consideration of aspects such as image reliability, can only notify a forward and a Video Controller side direction, also can notify a plurality of forwards and Video Controllers a plurality of side direction, decide on on-the-spot actual conditions and equipment disposition.The selection of this advice method can be adopted prior art, and the relative set by Control Software realizes easily;
4, built-in best proportion relation data or the function that relates between shooting angle, shooting time and the ambient condition (light intensity etc.) of described forward and side direction Video Controller, after the relevant information of making a dash across the red light that obtains Primary Video Controller, calculate the best time, camera site and the photo angle etc. of taking pictures (for the forward video camera, there is not the photo angle problem that horizontally rotates, but for describing for simplicity, adopt this unified mode of describing to be described), and the shooting communication interface of these data by separately sent to forward or the side direction video camera of being controlled.These data can be Management Information Bases, rather than an order; Send also not just not once, according to the difference of pictures taken quantity, or length, the angle of video recording, can send repeatedly.These data modes and send mode can require to determine according to the specific performance of video camera and control, and adopt prior art, and the relative set by Control Software realizes easily;
5, the control data that sends according to its Video Controller of described forward and side direction video camera, fast rotational is to appointed positions (the not occurred level rotation of forward video camera), adjust the angle and the aperture of camera lens, take pictures or record a video, obtain clear, information accurately.
Can adopt bussing technique realize between the each several part connection with communicate by letter.
Each video camera all can adopt the ball machine, and changes camera angle and scope by the action of The Cloud Terrace.
Described forward video camera can adopt existing distribution mode.Described side direction video camera can be arranged on a side of road, also can be arranged on both sides.The side direction video camera that the road homonymy is provided with can one, also can distribute along the wagon flow direction many.Owing to after video camera is installed on the certain position, be certain for the regional shooting angle of road, thus will be to the road zone in the same side with different angle shots, just need the multiple cameras machine be set along road direction.These are arranged on the other video camera of road side, can adopt the different anglecs of rotation, take the image in different tracks.
From capture the fore-and-aft direction of vehicle with respect to quilt, described side direction video camera can be positioned at the place ahead of vehicle, also can be positioned at the rear of vehicle, and perhaps part is positioned at the place ahead of vehicle, and part is positioned at the rear of vehicle.Be positioned at that the side direction video camera of vehicle front takes be the front side of vehicle to image, show the preceding licence plate of vehicle, be positioned at that the side direction video camera of rear view of vehicle takes be the rear side of vehicle to image, show the back licence plate of vehicle.
Can be according to actual needs and designing requirement, the array mode of forward and side direction video camera can be: this to+rear side to, this to+front side to, subtend+front side to, subtend+rear side to, this to+rear side to+subtend, this to+front side to+subtend, this to+back in side direction+lateral, back, subtend+preceding interior side direction+preceding lateral, this to+rear side to+front side to, subtend+front side to+rear side to etc. various combination, described front side to rear side to can being preceding, after interior side direction (vehicle left side), also can be in the lateral (vehicle right side), the array mode that these are different can be captured the violation vehicle from different a plurality of angles.
According to actual needs, can also select other combination in any modes for use.
Video camera on same direction can one, also can be a plurality of, sets according to actual needs.
In actual use, system of the present invention generally can be used for the supervision and the candid photograph of a direction vehicle, and the supervision of different directions and candid photograph can be adopted a plurality of systems, and wherein the part of each system formation can adopt same equipment.For example, can adopt same microprocessor, help simplified apparatus like this, save cost and space, and other monitoring functions can be set on same microprocessor, to improve the integral monitoring level for the Primary Video Controller of main control unit.
Referring to Fig. 2, for improving the picture quality of taking, the present invention can also be provided with the mode of operation handover control system of video camera, so that select optimum video camera to capture mode of operation according to concrete environmental aspect, with adapt to daytime and evening light intensity and the variation of other environmental baselines, guarantee can both photograph high-quality image with evening by day.Described video camera mode of operation handover control system can be one or more, and respectively to the forward or the side direction video camera transmission optimum working mode data of correspondence, described forward or side direction video camera carry out the setting or the adjustment of mode of operation according to these data separately.
Described video camera mode of operation handover control system comprises sensing unit and switch mode control module, described sensing unit is provided with data acquisition module and some ambient condition sensors, described ambient condition sensor is gathered environmental state information in real time and is sent described data acquisition module to, described data acquisition module carries out data processing to the real time environment information from described sensor, generate stable ambient condition preprocessed data, described switch mode control module is provided with its central processing unit, the central processing unit of described switch mode control module is analyzed and computing described ambient condition preprocessed data according to the mode of setting, draw the due running parameter of video camera under this ambient condition, generate the mode of operation steering order of video camera, send corresponding forward or side direction video camera to.
Described mode of operation steering order to video camera can comprise: to the setting command of the mode of operation of video camera, to the switching command of video camera mode of operation, to the setting command of camera aperture, to the switching command of camera aperture and other parameter settings and the switching command that may relate to when video camera is worked.The setting of these instructions, switching all can realize according to the characteristic of video camera itself.
Owing to what the video camera running parameter was had the greatest impact is light intensity, therefore under normal conditions, described ambient condition sensor should comprise that at least (a plurality of sensors can avoid that the individual sensor that reason causes such as to block malfunctioning because of accident to one or more optical sensors, data acquisition unit can be by data analysis, invalid data is rejected), the environmental state information of its collection is the light intensity heat transfer agent.Used optical sensor can directly adopt existing outdoor version optical sensor product or other appropriate technologies.
Described ambient condition sensor can also comprise one or more humidity sensors, and the environmental state information of its collection is the air humidity heat transfer agent.Used humidity sensor can adopt existing outdoor version humidity sensor product or other appropriate technologies.
According to the control needs, the ambient condition sensor of other types can also be set, can select various existing sensors products usually for use.
Described data acquisition module generally can adopt single-chip microcomputer.Described single-chip microcomputer can be provided with A/D conversion circuit, so that the environmental state information that described ambient condition sensor is sent here with the analog electrical signal form is carried out the digitizing conversion, generation can be the digitizing ambient condition data of single-chip microcomputer identification, described A/D conversion circuit can directly be integrated in single-chip microcomputer product (on the existing part single-chip microcomputer product integrated analog to digital conversion circuit), also can be provided with separately.Described single-chip microcomputer carries out Error processing and data statistics to described digitizing ambient condition data, obtains accurately stable ambient condition preprocessed data.The main function of single-chip microcomputer is that the data error is handled, because working sensor is environment in the open, be subjected to multiple factor affecting such as environment temperature, humidity, weather, the error of the instant value of its generation can be bigger, so must carry out various Error processing to its measurement data, form stable data, used error processing method can be methods such as curve compensation, mean value.
Can be provided with the Communications Processor Module that is used for intercoming mutually between described data acquisition module and the described central processing unit, described Communications Processor Module is made up of the two RAM in parallel port, described data acquisition module deposits the ambient condition preprocessed data of its generation in parallel port two RAM, and to described central processing unit transmission handshaking information, after described central processing unit is received described handshaking information, in two RAM, take corresponding data away by the parallel port mode.
Described central processing unit also can adopt general ARM7 processor, sort processor has high performance floating-point operation ability, under the support of analysis software, to from the ambient condition preprocessed data of described data acquisition module or to analyzing computing from the ambient condition preprocessed data of described data acquisition module with from the camera distance data of camera automatic focusing system, generate the optimum working parameter of video camera under the current environment state, and with these parameters with comparing from the video camera work at present parameter of video camera, under both inconsistent situations, generation is to the steering order of video camera mode of operation, send video camera to, described video camera instructs according to these, the real-time regulated mode of operation is to obtain best shooting effect.The optimum working parameter of video camera can be determined according to the performance of video camera under the varying environment state, also can determine by test, corresponding relation according to ambient condition and video camera running parameter, form corresponding relation chart, corresponding relation curve and/or empirical Calculation formula, select suitable algorithm to carry out data analysis and calculating according to prior art.
Described central processing unit is with adopting the communication of RE485 communication protocol between the video camera, Communications Processor Module by the switch mode control module is transferred to the ball machine to the steering order to video camera, and obtains video camera work on hand due various parameters of institute and camera distance.
According to the working control needs, the quantity of described video camera mode of operation handover control system can be one, also can be a plurality of.When having only a described video camera mode of operation handover control system, each forward and side direction video camera all communicate with this described video camera mode of operation handover control system, carry out the adjustment of video camera mode of operation according to the data that this described video camera mode of operation handover control system is sent here, can make the one-piece construction of whole electronic police system obtain simplifying like this.When being provided with a plurality of described video camera mode of operation handover control systems, the forward of same shooting direction is communicated by letter with the mode of operation handover control system of same described video camera with the side direction video camera, the different forwards of taking direction are communicated by letter with different video camera mode of operation handover control systems with the side direction video camera, can make the video camera shooting effect of all directions better like this.
Consider that daytime is during well lighted, the image that forward is taken generally can reflect vehicle and vehicle identification number situation clearly, so can be when well lighted without side direction grasp shoot, this control can be adopted any existing techniques in realizing, for example can be by program design, increase a simple logic computing, have only when the incident of making a dash across the red light and ambient light relatively darker (light intensity be lower than set limit) when occurring simultaneously, the side direction video camera is from capturing, help reducing system scale like this, the quantity of information that reduces to analyze improves system speed, lowers operating cost.
Claims (10)
1. a traffic roads image multi-way grasp shoot method is characterized in that adopting forward video camera and side direction video camera the traffic route situation to be comprised the multi-way grasp shoot of forward and side direction.
2. traffic roads image multi-way grasp shoot method as claimed in claim 1, it is characterized in that described side direction video camera is provided with the side that can control its rotation and claps angle controller, described side is clapped the angle controller reception and is clapped the angle steering order from the side of main control unit, controlling described side direction video camera rotates, it is the candid photograph of purpose that described main control unit controls regularly that the side direction video camera carries out clapping angle with automatic adjustment side, the picture quality of obtaining is judged, when picture quality is undesirable, clap angle controller to described side and send the steering order that control side direction video camera rotates, adjust the side direction camera angle until obtaining satisfactory picture quality or the side direction video camera being captured angle to the best of adjusting to this time.
3. a traffic roads image multi-way grasp shoot electronic police system is characterized in that forward video camera and the side direction video camera that side direction is taken of comprising at least in its candid photograph video camera that a forward is taken.
4. traffic roads image multi-way grasp shoot electronic police system as claimed in claim 3, it is characterized in that mainly by main control unit, the forward control module, described forward video camera, side direction control module and described side direction video camera are formed, described main control unit is according to red signal and road information, analyze and judge whether to exist the incident of making a dash across the red light, when occurring making a dash across the red light incident, respectively to described forward control module and side direction control module input relevant information, described forward control module and described side direction control module are according to making a dash across the red light the incident relevant information, generate corresponding video camera and capture data, send to the forward and the side direction video camera of control separately.
5. traffic roads image multi-way grasp shoot electronic police system as claimed in claim 4, it is characterized in that described main control unit is mainly by the red light detecting device, Video Controller and main communication interface are formed, and be provided with surveillance camera and/or wagon detector, described forward control module and side direction control module are mainly by master communication interface, Video Controller and shooting communication interface are formed, described red light detecting device detects the red light phase at current crossing in real time, and this status signal is sent to the Primary Video Controller of described main control unit, described surveillance camera and/or vehicle monitoring device obtain described road information in real time, be sent to the Primary Video Controller of described main control unit, described Primary Video Controller carries out Error processing to the red light information and the road information of input, after the data statistics, carry out logical operation, when confirming that this is when vehicle makes a dash across the red light, the incident relevant information of making a dash across the red light is sent to the forward Video Controller of described forward control module and the side direction Video Controller of described side direction video control unit by master communication interface immediately, described forward Video Controller and described side direction Video Controller are after receiving these information, best proportion relation according to photo opporunity and photo angle, calculating the best of the video camera of being controlled takes pictures constantly and best photo angle, and with these data by its shooting communication interface send to the video camera of being controlled, described video camera is taken pictures and/or is recorded a video according to these data.
6. traffic roads image multi-way grasp shoot electronic police system as claimed in claim 5, it is characterized in that described Primary Video Controller adopts high performance embedded-type ARM 7 chips, the signal of the sensor output of described red light detecting device is a digital electric signal, the signal of the sensor output of described wagon detector also adopts digital electric signal, described ARM7 chip as Primary Video Controller takes 4 to select 3 principle repeatedly to sample and logic determines to the red light phase information that receives and road information, at this when being red light phase, if this to vehicle also moving ahead or exceeding the restraining line, then being judged to be the incident of making a dash across the red light takes place, part carries out record as to this, and notify described forward Video Controller and described side direction Video Controller with relevant information by master communication interface, described forward Video Controller and the built-in shooting angle that relates to of described side direction Video Controller, the camera site, best proportion relation data or function between shooting time and the ambient condition, after the relevant information of making a dash across the red light that obtains Primary Video Controller, calculate the best time and the photo angle of taking pictures, and with these data by the shooting communication interface send to video camera, described each video camera all adopts the ball machine that is provided with The Cloud Terrace.
7. as claim 2,3,4,5 or 6 described traffic roads image multi-way grasp shoot electronic police systems, it is characterized in that also being provided with the mode of operation handover control system of one or more video cameras, described video camera mode of operation handover control system sends the optimum working mode data to the forward or the side direction video camera of correspondence, described forward or side direction video camera carry out the setting or the adjustment of mode of operation according to these data, described side direction video camera is provided with the side that can control its rotation and claps angle controller, described side is clapped the angle controller reception and is clapped the angle steering order from the side of main control unit, controlling described side direction video camera rotates, it is the candid photograph of purpose that described main control unit controls regularly that the side direction video camera carries out clapping angle with automatic adjustment side, the picture quality of obtaining is judged, when picture quality is undesirable, clap angle controller to described side and send the steering order that control side direction video camera rotates, adjust the side direction camera angle until obtaining satisfactory picture quality or the side direction video camera being captured angle to the best of adjusting to this time.
8. traffic roads image multi-way grasp shoot electronic police system as claimed in claim 7, it is characterized in that described video camera mode of operation handover control system comprises sensing unit and switch mode control module, described sensing unit is provided with data acquisition module and some ambient condition sensors, described ambient condition sensor is gathered environmental state information in real time and is sent described data acquisition module to, described data acquisition module carries out data processing to the real time environment information from described sensor, generate stable ambient condition preprocessed data, described switch mode control module is provided with its central processing unit, the central processing unit of described switch mode control module is analyzed and computing described ambient condition preprocessed data according to the mode of setting, draw the due running parameter of video camera under this ambient condition, generate the mode of operation steering order of video camera, send described forward or side direction video camera to.
9. traffic roads image multi-way grasp shoot electronic police system as claimed in claim 8, it is characterized in that described ambient condition sensor comprises one or more optical sensors at least, the environmental state information of described optical sensor collection is the light intensity heat transfer agent, perhaps also comprise one or more humidity sensors, the environmental state information of described humidity sensor collection is the air humidity heat transfer agent, described data acquisition module adopts single-chip microcomputer, described single-chip microcomputer is provided with A/D conversion circuit, the environmental state information that the described ambient condition sensor of described A/D conversion circuit is sent here with the analog electrical signal form is carried out the digitizing conversion, generation can be the digitizing ambient condition data of single-chip microcomputer identification, described single-chip microcomputer carries out Error processing and data statistics to described digitizing ambient condition data, obtain described accurately stable ambient condition preprocessed data, the method that described single-chip microcomputer carries out Error processing is curve compensation method or mean value method.
10. traffic roads image multi-way grasp shoot electronic police system as claimed in claim 9, it is characterized in that the communication mode between described data acquisition module and the described central processing unit is to be provided with the Communications Processor Module that is used for intercoming mutually between the two, described Communications Processor Module is made up of the two RAM in parallel port, described data acquisition module deposits the ambient condition preprocessed data of its generation in parallel port two RAM, and to described central processing unit transmission handshaking information, after described central processing unit is received described handshaking information, in two RAM, take corresponding data by the parallel port mode away, described central processing unit adopts general ARM7 processor, this processor is to from the ambient condition preprocessed data of described data acquisition module or to analyzing computing from the ambient condition preprocessed data of described data acquisition module with from the camera distance data of camera automatic focusing system, generate the optimum working parameter of described video camera under the current environment state, and with these parameters with comparing from the video camera work at present parameter of video camera, under both inconsistent situations, generate and described the video camera control of operating parameters is instructed, send video camera to, described video camera instructs according to these, the real-time regulated running parameter, described central processing unit is with adopting the communication of RS485 communication protocol between the video camera, Communications Processor Module by CPU (central processing unit) is transferred to the ball machine to the steering order to video camera, and obtains pairing various parameters of video camera work on hand and camera distance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710166204 CN101178854A (en) | 2006-11-07 | 2007-11-07 | Traffic roads image multi-way grasp shoot method and electronic policeman system |
| US11/964,021 US20090115848A1 (en) | 2007-11-07 | 2007-12-25 | Multidirectional traffic image capturing method and electronic police system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610138336 | 2006-11-07 | ||
| CN200610138336.X | 2006-11-07 | ||
| CN 200710166204 CN101178854A (en) | 2006-11-07 | 2007-11-07 | Traffic roads image multi-way grasp shoot method and electronic policeman system |
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| CN101178854A true CN101178854A (en) | 2008-05-14 |
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| CN 200710166204 Pending CN101178854A (en) | 2006-11-07 | 2007-11-07 | Traffic roads image multi-way grasp shoot method and electronic policeman system |
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Cited By (12)
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| CN101751690B (en) * | 2008-12-05 | 2012-05-30 | 国际商业机器公司 | System and method for photorealistic imaging using ambient occlusion |
| CN102647450A (en) * | 2012-03-20 | 2012-08-22 | 西安联客信息技术有限公司 | Intelligent shooting method and system based on cloud service |
| CN102647449A (en) * | 2012-03-20 | 2012-08-22 | 西安联客信息技术有限公司 | Intelligent shooting method and intelligent shooting device based on cloud service and mobile terminal |
| CN103473926A (en) * | 2013-09-11 | 2013-12-25 | 无锡加视诚智能科技有限公司 | Gun-ball linkage road traffic parameter collection and rule breaking snapshooting system |
| CN104168419A (en) * | 2014-07-17 | 2014-11-26 | 小米科技有限责任公司 | Image shooting method and apparatus |
| CN104573637A (en) * | 2014-12-18 | 2015-04-29 | 厦门翼歌软件科技有限公司 | Multi-camera-based vehicle license plate recognition method |
| CN106996457A (en) * | 2016-01-25 | 2017-08-01 | 福特全球技术公司 | Lubricating system monitors assembly and method |
| CN109598942A (en) * | 2018-12-24 | 2019-04-09 | 天津天地伟业信息系统集成有限公司 | A kind of intelligent transportation video camera detects the method that electric vehicle makes a dash across the red light automatically |
| CN112242057A (en) * | 2019-07-19 | 2021-01-19 | 杭州海康威视系统技术有限公司 | Signal lamp control method, system, device, equipment and storage medium |
| CN112990017A (en) * | 2021-03-16 | 2021-06-18 | 陈永欢 | Smart city big data analysis method and monitoring system |
| CN113421452A (en) * | 2021-06-03 | 2021-09-21 | 上海大学 | Open parking lot recommendation system based on visual analysis |
| CN118413751A (en) * | 2024-06-27 | 2024-07-30 | 杭州海康威视数字技术股份有限公司 | Snapshot record generation method, device, electronic equipment, storage medium and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101751690B (en) * | 2008-12-05 | 2012-05-30 | 国际商业机器公司 | System and method for photorealistic imaging using ambient occlusion |
| CN102647449B (en) * | 2012-03-20 | 2016-01-27 | 西安联客信息技术有限公司 | Based on the intelligent photographic method of cloud service, device and mobile terminal |
| CN102647450A (en) * | 2012-03-20 | 2012-08-22 | 西安联客信息技术有限公司 | Intelligent shooting method and system based on cloud service |
| CN102647449A (en) * | 2012-03-20 | 2012-08-22 | 西安联客信息技术有限公司 | Intelligent shooting method and intelligent shooting device based on cloud service and mobile terminal |
| WO2013139100A1 (en) * | 2012-03-20 | 2013-09-26 | 西安联客信息技术有限公司 | Intelligent photographing method, device and mobile terminal based on cloud service |
| CN103473926A (en) * | 2013-09-11 | 2013-12-25 | 无锡加视诚智能科技有限公司 | Gun-ball linkage road traffic parameter collection and rule breaking snapshooting system |
| CN103473926B (en) * | 2013-09-11 | 2016-01-27 | 无锡加视诚智能科技有限公司 | The interlock road traffic parameter collection of rifle ball and capturing system violating the regulations |
| CN104168419A (en) * | 2014-07-17 | 2014-11-26 | 小米科技有限责任公司 | Image shooting method and apparatus |
| CN104573637A (en) * | 2014-12-18 | 2015-04-29 | 厦门翼歌软件科技有限公司 | Multi-camera-based vehicle license plate recognition method |
| CN104573637B (en) * | 2014-12-18 | 2020-11-03 | 厦门翼歌软件科技有限公司 | License plate recognition method based on multiple cameras |
| CN106996457A (en) * | 2016-01-25 | 2017-08-01 | 福特全球技术公司 | Lubricating system monitors assembly and method |
| CN109598942A (en) * | 2018-12-24 | 2019-04-09 | 天津天地伟业信息系统集成有限公司 | A kind of intelligent transportation video camera detects the method that electric vehicle makes a dash across the red light automatically |
| CN112242057A (en) * | 2019-07-19 | 2021-01-19 | 杭州海康威视系统技术有限公司 | Signal lamp control method, system, device, equipment and storage medium |
| CN112242057B (en) * | 2019-07-19 | 2021-12-31 | 杭州海康威视系统技术有限公司 | Signal lamp control method, system, device, equipment and storage medium |
| CN112990017A (en) * | 2021-03-16 | 2021-06-18 | 陈永欢 | Smart city big data analysis method and monitoring system |
| CN112990017B (en) * | 2021-03-16 | 2022-01-28 | 刘宏伟 | Smart city big data analysis method and monitoring system |
| CN113421452A (en) * | 2021-06-03 | 2021-09-21 | 上海大学 | Open parking lot recommendation system based on visual analysis |
| CN113421452B (en) * | 2021-06-03 | 2023-03-17 | 上海大学 | Open parking lot recommendation system based on visual analysis |
| CN118413751A (en) * | 2024-06-27 | 2024-07-30 | 杭州海康威视数字技术股份有限公司 | Snapshot record generation method, device, electronic equipment, storage medium and system |
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