CN104575033A - System and method for preventing intersection congestion caused by red light violation and green light follow-up of motor vehicles - Google Patents
System and method for preventing intersection congestion caused by red light violation and green light follow-up of motor vehicles Download PDFInfo
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- CN104575033A CN104575033A CN201510012868.8A CN201510012868A CN104575033A CN 104575033 A CN104575033 A CN 104575033A CN 201510012868 A CN201510012868 A CN 201510012868A CN 104575033 A CN104575033 A CN 104575033A
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Abstract
The invention provides a system for preventing intersection congestion caused by red light violation and green light follow-up of motor vehicles. The speed of each motor vehicle is detected in real time when the motor vehicles get over a stop line; the needed passing time for each motor vehicle to pass through an intersection is worked out, the needed time T for the nearest motor vehicle to get over the stop line is compared with green light remaining time t of the release direction, and if the needed passing time T is longer than the green light remaining time t, the green light is controlled to become the red light in the release direction. In the mode, when the intersection is congested, the vehicles are prevented from continuing to get into the intersection in a light changing mode; when the red light is switched on, if the motor vehicles continue to get over the stop line and get into the intersection, red light violation behaviors of the motor vehicles can be recorded by the system, intersection congestion aggravation is prevented, and equipment investment is also saved. The red light violation behaviors are also recorded, traffic law enforcing power is enhanced, illegal behaviors are cracked down, a good passing order is built easily, and traffic safety performance is improved.
Description
Technical field
The present invention relates to a kind of traffic administration field, specifically a kind ofly prevent motor vehicle from making a dash across the red light and green light follow-up causes blocking the system and method at crossing.
Background technology
Pass through in order to ensure crossing orderly, safe, unimpeded, the crossing that vehicle supervision department reaches required standard in the motor vehicle hour magnitude of traffic flow is all provided with crossing control signal lamp.Under normal circumstances, signal lamp control crossroad can play the effect replacing police command, when run into crossing have an accident or sleety weather causes congestion ahead time, just there will be green time and enter the motor vehicle speed at crossing well below the speed normal through crossing, at this moment, motor vehicle should be parked in outside crossing by driver, otherwise, just cannot sail out of crossing when when red opens, cause the even regional traffic paralysis of this crossing.
Follow up to prevent green light and cause the generation of intersection choking phenomenon, People's Republic of China's law on road traffic safety implementing regulations the 53 article regulation: " when motor vehicle meets front cross crossing traffic obstruction; should be parked in beyond crossing successively, must not crossing be entered.But " owing to there is no effective law enforcement means, cause this phenomenon constantly to occur.
The video detecting method that when disclosing a kind of crossing congestion in Chinese patent literature CN103258429A, motor vehicle sails into by force for this reason, the state of vedio data to the overflow checking district of junction ahead that follow-up obtains is monitored, real-time follow-up the position of each vehicle occurred in record video image data and the residence time, when the state in overflow checking district is vehicle overflow status, be doubtful vehicles peccancy by the marking of cars of crossing the stop line in vehicle detection district; According to the traffic behavior of the vedio data determination present road obtained; When the traffic behavior of present road is congestion status, the meaning vehicles peccancy reaching violation criteria is labeled as vehicles peccancy, for each vehicles peccancy, extracts from obtained vedio data and characterize this vehicles peccancy and to break rules and regulations the plurality of pictures of process.Program Problems existing does not associate with the light color of signal lamp, according to current real current situation, green light or amber light bright time enter the motor vehicle at crossing, as long as when when red opens, can crossing be left, just not belong to violation relevant regulations.
The detection method of a kind of motor vehicle green light based on video follow-up act of violating regulations is disclosed in Chinese patent literature CN102768801A, under green light phase place, during road ahead heavy congestion, the forbidden warning sign that blocks up display information warning, prompting through vehicles No entry crossing, still continue the motor vehicle moved ahead time bright for warning sign, be classified as doubtful violating the regulations, and start to carry out track following; Doubtful vehicles peccancy is kept track, obtains the complete trajectory that it travels at crossing; Red light phase place starts, if doubtful vehicles peccancy is still trapped in central prohibition parking area, then the time violating the regulations reaches, and analyzes and obtains evidence-obtaining photograph violating the regulations and video.But, in the program, just point out after only having crossing to get congestion, can not block up and be about to point out when occurring; Point out by means of only notice board, for the vehicle of follow-up intersection, do not warn in time by forbidden signal, therefore, the light color that only changes is that red status to be taken pictures evidence obtaining to the motor vehicle illegal activities continuing to pass beyond stop line during when red simultaneously, motor vehicle could be warned block up and be about to not cross stop line when occurring, just can prevent crossing from filling in dead situation and occur.
Summary of the invention
For this reason, technical matters to be solved by this invention is the problem that cannot realize in prior art preventing crossing traffic from blocking by Signalized control, thus proposes a kind ofly to prevent motor vehicle from making a dash across the red light and green light follow-up causes blocking the system and method at crossing.
For solving the problems of the technologies described above, the invention provides and a kind ofly prevent motor vehicle from making a dash across the red light and green light follow-up causes blocking the system and method at crossing.
The invention provides and a kind ofly prevent motor vehicle from making a dash across the red light and green light follow-up causes blocking the system at crossing, comprising:
Video tracking unit: real-time continuous follows the tracks of the every platform motor vehicle entering crossing;
Speed detection unit, detects the speed of crossing every platform motor vehicle of stop line;
Control module: whether the signal lamp judging this direction is green light, then calculating this motor vehicle in this way keeps this speed by the transit time T required for crossing, and constantly compare with t excess time of T and this clearance direction green light, if when required transit time T is greater than green light t excess time, then controls this direction green light and become lamp; As this direction becomes red light, then the motor vehicle continuing to pass beyond stop line and enter crossing is made a dash across the red light record;
Make a dash across the red light record cell: after signal lamp becomes red light, and to crossing stop line and carrying out record by the motor vehicle at crossing, record herein comprises crossing stop line and sailing crossing into, roll the moment at crossing away from and take pictures, identify and record number plate.
Preferably, described control module comprises transit time computation subunit, calculates each motor vehicle and crosses stop line to by the transit time needed for crossing, comprising:
T=L/V, wherein, the time that T=current automobile is needed by crossing, the stop line in L=clearance direction is to the length of the other side's stop line; Speed during stop line crossed by v=current clearance steering wheel motor-car.
Preferably, also comprise record cell, record is carried out to the every platform motor vehicle this travel direction being crossed stop line during green light.
Preferably, described record cell comprises tracking subelement, the every platform motor vehicle crossing stop line is taken pictures and automatically identified its number-plate number, and by its number-plate number automatic marking on the image of this motor vehicle in picture, and follow this motor vehicle all the time until this motor vehicle shifts out following range.
Preferably, also comprise timing unit, after detecting that the signal lamp in clearance direction becomes red light, to the every chassis timing being trapped in crossing, be greater than to the motor vehicle of setting-up time threshold value the hold-up time, carry out illegal activities record.
Preferably, in described timing unit, the process of carrying out illegal activities record comprises: when mark is had the image sectional drawing of motor vehicle trade mark code and a green light this motor vehicle enter crossing have the image of the number-plate number to synthesize after, send into green light and to follow up illegal activities database.
The present invention also provides a kind of and prevents motor vehicle from making a dash across the red light and green light follow-up causes blocking the method at crossing, comprising:
Real-time continuous follows the tracks of the every platform motor vehicle entering crossing;
Detect the speed of crossing the motor vehicle of stop line;
If the signal lamp in this direction is green light, then calculate each motor vehicle by the transit time T required for crossing, and t excess time that is continuous and this clearance direction green light compares, if required transit time T is greater than t excess time of green light, then controls this direction green light and become lamp;
If when the signal lamp in this direction becomes red light, to make a dash across the red light record to continuing to pass beyond motor vehicle that this direction stop line enters crossing.
Preferably, calculate each motor vehicle and keep this speed by the process of the transit time needed for crossing to be: calculate T=L/V, wherein, the time that each motor vehicle of T=is needed by crossing, the stop line in L=clearance direction is to the length of the other side's stop line; Speed during stop line crossed by each motor vehicle of v=.
Preferably, described real-time continuous also comprises after following the tracks of and entering the step of every platform motor vehicle at crossing
When detecting that signal lamp is green light, record is carried out to the every platform motor vehicle this travel direction being crossed stop line.
Preferably, control after this direction green light becomes red light, also to comprise: when the signal lamp above-mentioned direction being detected is red light, to the every chassis timing being trapped in crossing, be greater than to the illegal activities record of the motor vehicle of setting-up time threshold value the hold-up time.
Technique scheme of the present invention has the following advantages compared to existing technology,
(1) the invention provides and a kind ofly prevent motor vehicle from making a dash across the red light and green light follow-up causes blocking the system at crossing, detect the speed that every platform crosses the motor vehicle of stop line; Calculate by the transit time T required for crossing, and t excess time that is continuous and this clearance direction green light compares, if required transit time T is greater than t excess time of green light, then controls this direction green light and become lamp.Pass through which, when can be about to get congestion at crossing, by becoming the mode of lamp, stoping vehicle to enter crossing, belonging to illegal activities owing to making a dash across the red light, this system can be taken pictures evidence obtaining to the illegal activities of the motor vehicle made a dash across the red light, punish, effectively can stop crossing like this when being about to get congestion, after green light is changed into red light by system, motor vehicle continues to pass beyond the generation of stop line or green light follow-up phenomenon, ensure that the traffic efficiency at crossing.In this programme, when being about to get congestion at crossing, just can change light color state warning motor vehicle can not enter crossing again, can prevent crossing from filling in dead situation and occur.
(2) in the present invention prevent motor vehicle from making a dash across the red light and green light follow-up causes blocking the system at crossing, each motor vehicle entering crossing can also be followed the tracks of by video tracking equipment real-time continuous, number plate identification is carried out while each chassis crossing stop line is taken pictures, by the license plate number Direct Mark of identification on the image of this motor vehicle in picture, like this when after crossing congestion, system also accurately can know during entering crossing closely queues up each the license plate for vehicle number blocked by rear car, when the signal in clearance direction transfers red light to, immediately timing is carried out to each motor vehicle that cannot sail out of crossing, when accumulated time is greater than setting-up time threshold value, system automatically will cannot sail out of crossing during when red and mark has the image sectional drawing of motor vehicle trade mark code and a green light time this motor vehicle enter crossing have the image of the number-plate number to synthesize after, send into green light follow-up illegal activities database.
(3) in the present invention prevent motor vehicle from making a dash across the red light and green light follow-up causes blocking the method at crossing, when detect signal lamp be green light or amber light time, record is carried out to the every platform motor vehicle this travel direction being crossed stop line; When the signal lamp above-mentioned direction being detected is red light, to the every chassis timing being trapped in crossing, is greater than to the motor vehicle of setting-up time threshold value the hold-up time, carries out illegal activities record.
(4) in the present invention prevent motor vehicle from making a dash across the red light and green light follow-up causes blocking the method at crossing, be to each chassis Continuous Tracking, in crossing, stop in any position, all by monitored, do not need to arrange overflow checking district.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 be in the embodiment of the present invention 1 prevent motor vehicle from making a dash across the red light and green light follow-up causes blocking the structural drawing of system at crossing;
Fig. 2 be in the embodiment of the present invention 1 prevent motor vehicle make a dash across the red light and green light follow-up cause block crossing system schematic diagram is set;
Fig. 3 be in the embodiment of the present invention 2 prevent motor vehicle from making a dash across the red light and the process flow diagram of method at crossing is blocked in green light follow-up;
Fig. 4 be in the embodiment of the present invention 3 prevent motor vehicle from making a dash across the red light and the process flow diagram of method at crossing is blocked in green light follow-up.
Embodiment
embodiment 1:
Thering is provided a kind of in the present embodiment prevents motor vehicle from making a dash across the red light and green light follow-up causes blocking the system at crossing, as shown in Figure 1, comprising:
Video tracking unit: real-time continuous follows the tracks of the every platform motor vehicle entering crossing, is arranged on crossing, as shown in Figure 2,
Speed detection unit, detects the speed of crossing every platform motor vehicle of stop line;
Control module: whether the signal lamp judging this direction is green light, then calculating this motor vehicle in this way keeps this speed by the transit time T required for crossing, and constantly compare with t excess time of T and this clearance direction green light, if when required transit time T is greater than green light t excess time, then controls this direction green light and become lamp; As this direction becomes red light, then the motor vehicle continuing to pass beyond stop line and enter crossing is made a dash across the red light record.
Make a dash across the red light record cell: after signal lamp becomes red light, to crossing stop line and carrying out record by the motor vehicle at crossing.Record herein comprises crossing stop line and sailing crossing into, roll the moment at crossing away from and take pictures, identify and record number plate.
Wherein, described control module comprises transit time computation subunit, calculates this every platform motor vehicle by the transit time needed for crossing, comprising:
T=L/V, wherein, the time that the every chassis of T=is needed by crossing, the stop line in L=clearance direction is to the length of the other side's stop line; Speed during stop line crossed by the every platform motor vehicle in v=clearance direction.
By which, when can be about to get congestion at crossing, changing green light is the mode of red light, motor vehicle is stoped to enter crossing, belong to illegal activities owing to making a dash across the red light, when therefore can effectively stop to get congestion, the generation of green light follow-up phenomenon, ensure that the traffic efficiency at crossing.
In addition, in other further embodiment, can also green light follow-up motor vehicle monitor, record cell can also be set further: when detect signal lamp be green light or amber light time, record is carried out to the every platform motor vehicle this travel direction being crossed stop line.In described record cell, when the every platform motor vehicle crossing stop line to green light in this travel direction records, comprise: the every platform motor vehicle crossing stop line is taken pictures and automatically identified its number-plate number, and by its number-plate number automatic marking on the image of this motor vehicle in picture, and follow this motor vehicle all the time until this motor vehicle shifts out following range.
Also timing unit is set further: when the signal lamp above-mentioned direction being detected is red light, to the every chassis timing being trapped in crossing, is greater than to the motor vehicle of setting-up time threshold value the hold-up time, carries out illegal activities record.In described timing unit, the process of carrying out illegal activities record comprises: when mark is had the image sectional drawing of motor vehicle trade mark code and a green light this motor vehicle enter crossing have the image of the number-plate number to synthesize after, send into green light and to follow up illegal activities database.
In which, not only can prevent motor vehicle green light follow-up from blocking crossing by becoming lamp, can also monitor the motor vehicle of the green light follow-up before change lamp, each motor vehicle entering crossing is followed the tracks of by video tracking equipment real-time continuous, when intersection green light or amber light bright time, number plate identification is carried out while each chassis crossing stop line is taken pictures, by the license plate number Direct Mark of identification on the image of this motor vehicle in picture, like this when after crossing congestion, system also accurately can know during entering crossing closely queues up each the license plate for vehicle number blocked by rear car, when the signal in clearance direction transfers red light to, immediately timing is carried out to each motor vehicle that cannot sail out of crossing, when accumulated time is greater than setting-up time threshold value, system automatically will cannot sail out of crossing during when red and mark has the image sectional drawing of motor vehicle trade mark code and a green light time this motor vehicle enter crossing have the image of the number-plate number to synthesize after, send into green light follow-up illegal activities database.
embodiment 2:
Thering is provided a kind of in the present embodiment prevents motor vehicle from making a dash across the red light and the method at crossing is blocked in green light follow-up, as shown in Figure 3, comprises the steps:
S1: real-time continuous follows the tracks of the every platform motor vehicle entering crossing;
S2: detect the speed of crossing the motor vehicle of stop line;
S3: if the signal lamp in this direction is green light, then calculate each motor vehicle by the transit time T required for crossing, and t excess time that is continuous and this clearance direction green light compares, if required transit time T is greater than t excess time of green light, then controls this direction green light and become lamp;
The mode of this step specific implementation is: calculate T=L/V, and wherein, the time that the every platform motor vehicle of T=is needed by crossing, the stop line in L=clearance direction is to the length of the other side's stop line; Speed during stop line crossed by the every platform motor vehicle in v=clearance direction.
So just obtain cross stop line every platform motor vehicle by the time required for crossing, whether t excess time that system constantly calculates current green light is less than motor vehicle by the time required for crossing, if be less than motor vehicle by the time required for crossing, this current direction at this crossing should not sail motor vehicle into again, therefore current green light is become lamp.
S4: if when the signal lamp in this direction becomes red light, to make a dash across the red light record to continuing to pass beyond motor vehicle that this direction stop line enters crossing.
When in other embodiments further, in order to cause the phenomenon of blocking up to occur to motor vehicle follow-up crossing during green light, also comprise the steps:
When detect signal lamp be green light or amber light time, record is carried out to the every platform motor vehicle this travel direction being crossed stop line; Every platform motor vehicle that the content of record comprises crossing stop line is taken pictures and automatically identifies its number-plate number, and by its number-plate number automatic marking on the image of this motor vehicle in picture, and follow this motor vehicle all the time until this motor vehicle shifts out following range.Mark the number-plate number by which, under congestion status, can clearly know the illegal license plate for vehicle number blocked by rear car.
When the signal lamp above-mentioned direction being detected is red light, judge whether that stop line crossed by vehicle, to record of crossing stop line and the vehicle at current crossing makes a dash across the red light, enter time simultaneously also bright to green light signals crossing and when red time be still trapped in every chassis timing at crossing, be greater than to the motor vehicle of setting-up time threshold value the hold-up time, when mark is had the image sectional drawing of motor vehicle trade mark code and a green light this motor vehicle enter crossing have the image of the number-plate number to synthesize after, send into green light and to follow up illegal activities database.
embodiment 3:
Thering is provided a kind of in the present embodiment prevents motor vehicle from making a dash across the red light and green light follow-up causes blocking the method at crossing, as shown in Figure 4:
S1: each motor vehicle of Continuous Tracking;
S2: whether the signal lamp judging this direction is green light, in this way, enters S3, otherwise, enter S5:
S3: detect the speed V that each arrives the motor vehicle of stop line in real time, and the time T=L/V that the motor vehicle that calculating arrives stop line is in real time needed by crossing with present speed, L is the width at crossing;
S4: detect current green light t excess time in real time, as schemed T>t, then controlling party to signal lamp become amber light after become red light, and carry out number plate identification while each chassis crossing stop line is taken pictures, by the license plate number Direct Mark of identification on the image of this motor vehicle in picture.
S5: judged whether that stop line crossed by motor vehicle, be, forwarded S6 to, otherwise entered S7;
S6: the motor vehicle crossing stop line is made a dash across the red light and takes pictures, enter S7;
S7: timing is started to each motor vehicle be trapped in crossing, if in crossing the hold-up time be greater than setting threshold value after, as threshold value is set as 5S, then after 5S just to the mark be still trapped in crossing have to enter crossing when automotive number plate, the sectional drawing of hold-up time and green light time corresponding motor vehicle Images uniting after send into green light and to follow up unlawful data storehouse.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, other multi-form change can also be made on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. prevent motor vehicle from making a dash across the red light and cause blocking the system at crossing with green light follow-up, it is characterized in that, comprising:
Video tracking unit: real-time continuous follows the tracks of the every platform motor vehicle entering crossing;
Speed detection unit, detects the speed of crossing every platform motor vehicle of stop line;
Control module: whether the signal lamp judging this direction is green light, then calculating this motor vehicle in this way keeps this speed by the transit time T required for crossing, and constantly compare with t excess time of T and this clearance direction green light, if when required transit time T is greater than green light t excess time, then controls this direction green light and become lamp; As this direction becomes red light, then the motor vehicle continuing to pass beyond stop line and enter crossing is made a dash across the red light record;
Make a dash across the red light record cell: after signal lamp becomes red light, and to crossing stop line and carrying out record by the motor vehicle at crossing, record herein comprises crossing stop line and sailing crossing into, roll the moment at crossing away from and take pictures, identify and record number plate.
2. system according to claim 1, is characterized in that, described control module comprises transit time computation subunit, calculates each motor vehicle and crosses stop line to by the transit time needed for crossing, comprising:
T=L/V, wherein, the time that T=current automobile is needed by crossing, the stop line in L=clearance direction is to the length of the other side's stop line; Speed during stop line crossed by v=current clearance steering wheel motor-car.
3. system according to claim 1 and 2, is characterized in that, also comprises record cell, carries out record to the every platform motor vehicle this travel direction being crossed stop line during green light.
4. according to the arbitrary described system of claim 1-3, it is characterized in that, described record cell comprises tracking subelement, the every platform motor vehicle crossing stop line is taken pictures and automatically identified its number-plate number, and by its number-plate number automatic marking on the image of this motor vehicle in picture, and follow this motor vehicle all the time until this motor vehicle shifts out following range.
5., according to the arbitrary described system of claim 1-4, it is characterized in that, also comprise timing unit, after detecting that the signal lamp in clearance direction becomes red light, to the every chassis timing being trapped in crossing, be greater than to the motor vehicle of setting-up time threshold value the hold-up time, carry out illegal activities record.
6. according to the arbitrary described system of claim 1-5, it is characterized in that, in described timing unit, the process of carrying out illegal activities record comprises: when mark is had the image sectional drawing of motor vehicle trade mark code and a green light this motor vehicle enter crossing have the image of the number-plate number to synthesize after, send into green light and to follow up illegal activities database.
7. prevent motor vehicle from making a dash across the red light and cause blocking the method at crossing with green light follow-up, it is characterized in that, comprising:
Real-time continuous follows the tracks of the every platform motor vehicle entering crossing;
Detect the speed of crossing the motor vehicle of stop line;
If the signal lamp in this direction is green light, then calculate each motor vehicle by the transit time T required for crossing, and t excess time that is continuous and this clearance direction green light compares, if required transit time T is greater than t excess time of green light, then controls this direction green light and become lamp;
If when the signal lamp in this direction becomes red light, to make a dash across the red light record to continuing to pass beyond motor vehicle that this direction stop line enters crossing.
8. method according to claim 7, it is characterized in that, calculating each motor vehicle keeps this speed by the process of the transit time needed for crossing to be: calculate T=L/V, wherein, the time that each motor vehicle of T=is needed by crossing, the stop line in L=clearance direction is to the length of the other side's stop line; Speed during stop line crossed by each motor vehicle of v=.
9. the method according to claim 7 or 8, is characterized in that, described real-time continuous also comprises after following the tracks of and entering the step of every platform motor vehicle at crossing
When detecting that signal lamp is green light, record is carried out to the every platform motor vehicle this travel direction being crossed stop line.
10. the method according to claim 7 or 8 or 9, it is characterized in that, control after this direction green light becomes red light, also comprise: when the signal lamp above-mentioned direction being detected is red light, to the every chassis timing being trapped in crossing, be greater than to the illegal activities record of the motor vehicle of setting-up time threshold value the hold-up time.
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| CN201510012868.8A CN104575033B (en) | 2015-01-09 | 2015-01-09 | Preventing that motor vehicle from making a dash across the red light to follow up with green light causes the system and method for blocking crossing |
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| CN113129625A (en) * | 2021-04-16 | 2021-07-16 | 阿波罗智联(北京)科技有限公司 | Vehicle control method and device, electronic equipment and vehicle |
| CN113129625B (en) * | 2021-04-16 | 2023-01-24 | 阿波罗智联(北京)科技有限公司 | Vehicle control method and device, electronic equipment and vehicle |
| CN115171405A (en) * | 2022-06-28 | 2022-10-11 | 亿咖通(湖北)技术有限公司 | Method and device for determining passing time of traffic light intersection, electronic equipment and medium |
| CN115171405B (en) * | 2022-06-28 | 2023-09-22 | 亿咖通(湖北)技术有限公司 | Traffic light intersection passing time determining method and device, electronic equipment and medium |
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