CN108171994A - Overspeed detection of overtaking other vehicles system and method - Google Patents
Overspeed detection of overtaking other vehicles system and method Download PDFInfo
- Publication number
- CN108171994A CN108171994A CN201711497269.5A CN201711497269A CN108171994A CN 108171994 A CN108171994 A CN 108171994A CN 201711497269 A CN201711497269 A CN 201711497269A CN 108171994 A CN108171994 A CN 108171994A
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- vehicles
- passing vehicle
- range unit
- judgment means
- automobile
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
- G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The present invention relates to one kind overtake other vehicles hypervelocity judgment means, camera, the first range unit and the second range unit are installed in the same side of automobile, when determining that there are during passing vehicle according to the video that camera is obtained, first range unit and the second range unit determine that passing vehicle passes through their time, so as to measure relative velocity of the passing vehicle with respect to this automobile, and judge whether the passing vehicle exceeds the speed limit according to the speed and the relative velocity of this automobile；When judging the passing vehicle hypervelocity, the video at the time of judgment means of overtaking other vehicles Zi described in that the camera is produced are judged there are at the time of passing vehicle to by the second range unit is obtained.
Description
Technical field
The present invention relates to break in traffic rules and regulations detection more particularly to a kind of system and method being monitored to hypervelocity.
Background technology
Hypervelocity is the major reason that traffic accident occurs.It is mainly at present radar velocity measurement and main crossroads to the detection of hypervelocity
The coil at place tests the speed.This detection to hypervelocity be all in fixed location, driver can according to prior information or experience and
These locations are avoided intentionally, thus the more good driving habit for cultivating driver is short of.In addition, many hypervelocities occur
During overtaking other vehicles, and radar velocity measurement and coil test the speed and more difficult this are identified.
Invention content
The hypervelocity judgment means according to an aspect of the invention, there is provided one kind is overtaken other vehicles, including：Camera, the camera shooting
Head is mounted on the rearview mirror of automobile；It overtakes other vehicles judgment means, the video obtained according to first camera, it is determined whether deposit
In the vehicle to overtake other vehicles, i.e. passing vehicle；First range unit, after first range unit is mounted on the automobile
Half portion, the side of the automobile, when the judgment means of overtaking other vehicles are determined with passing vehicle, first range unit opens
It is dynamic, determine that passing vehicle passes through the time t1 of first range unit；Second range unit, the second infrared distance measuring device peace
Mounted in the first half of the automobile, second range unit is mounted on the same of the automobile with first range unit
Side, the distance between second range unit and first range unit are preset distance L, when the judgment means of overtaking other vehicles
When determining with passing vehicle, second range unit starts, determine passing vehicle by second range unit when
Between t2；With respect to speed determining device, according to described time t1, t2, the preset distance L determines the relatively described vapour of passing vehicle
The relative velocity of vehicle；This vehicle speed acquisition device, for determining the speed of the automobile；Exceed the speed limit judgment means, according to the vapour
The speed of vehicle and the relative velocity judge whether the passing vehicle exceeds the speed limit；Passing vehicle video obtains device, when described super
When fast judgment means judge the passing vehicle hypervelocity, the judgment means judgement of overtaking other vehicles described in of the camera setting is obtained
Go out that there are the videos at t0 to t2 moment at the time of passing vehicle.
The judgment means of overtaking other vehicles of the present invention, opposite speed determining device, passing vehicle video acquisition device can be by handling
The realization of device combination software can also be completely by hardware realization.
The invention enables hypervelocity passing behaviors widely to be monitored, and is conducive to form driver and is preferably driven habit
It is used.
Description of the drawings
Fig. 1 shows a kind of schematic block diagram of the hypervelocity judgment means of overtaking other vehicles of embodiment according to the present invention.
Fig. 2 shows a kind of schematic block diagrams of the hypervelocity judgment means of embodiment according to the present invention.
For attached drawing for those skilled in the art to be made to more fully understand embodiments of the present invention, these attached drawings are schematic
, it is not the limitation to protection scope of the present invention.
Specific embodiment
Fig. 1 shows a kind of schematic block diagram of the hypervelocity judgment means of overtaking other vehicles of embodiment according to the present invention.Such as
Shown in Fig. 1, a kind of embodiment according to the present invention hypervelocity judgment means of overtaking other vehicles include camera 101, the camera installation
On the rearview mirror of automobile；Judgment means of overtaking other vehicles 102, the video obtained according to first camera, it is determined whether exist
The vehicle overtaken other vehicles, i.e. passing vehicle；First range unit 103, first range unit are mounted on the automobile
It is latter half of, the side of the automobile, when the judgment means of overtaking other vehicles are determined with passing vehicle, first range unit
Start, determine that passing vehicle passes through the time t1 of first range unit；Second range unit 104, second infrared distance measurement
Device is mounted on the first half of the automobile, and second range unit is mounted on the automobile with first range unit
The same side, the distance between second range unit and first range unit on the motor vehicle length direction is predetermined
Distance L, when the judgment means of overtaking other vehicles are determined with passing vehicle, second range unit starts, and determines vehicle of overtaking other vehicles
The time t2 of process second range unit；With respect to speed determining device 105, according to described time t1, t2, the pre- spacing
From L, the relative velocity of the relatively described automobile of passing vehicle is determined；This vehicle speed acquisition device 106, for determining the automobile
Speed；Exceed the speed limit judgment means 107, judges whether the passing vehicle surpasses according to the speed of the automobile and the relative velocity
Speed；Passing vehicle video obtains device 108, when the hypervelocity judgment means judge the passing vehicle hypervelocity, obtains institute
The judgment means of overtaking other vehicles described in for stating camera setting judge that there are the videos at t0 to t2 moment at the time of passing vehicle.
This embodiment according to the present invention, camera, the first range unit, the second range unit are installed in automobile
Side.Camera is mounted on the rearview mirror of the side, so as to destroy the whole beauty of automobile.First range unit is pacified
Mounted in the rear portion of automobile, such as the top position of the rear wheel of the position or car body of boot.Second range unit is mounted on
The forepart of automobile, such as lower position of the top position of the front vehicle wheel of car body or rearview mirror etc..First range unit and
The position of second range unit is known, and the distance L along length over ends of body direction between them is also scheduled, known.
The pixel number of camera is known.One object is obtained each when advancing towards camera in camera
In frame image, the pixel number of occupied camera will increase.When the occupancy number of this pixel quickly increases, illustrate object
Just in fast approaching video camera thus in the case where the object is automobile, it is more likely that overtake other vehicles.Thus according to this hair
A kind of bright embodiment, judgment means of overtaking other vehicles 102 determine pixel of the mobile object in the camera obtains video frame
Occupancy situation when within a predetermined period of time, when the increment rate that the pixel of the mobile object occupies is more than predetermined threshold, judges institute
Mobile object is stated as passing vehicle.Video surveillance judge mobile object method (such as logarithm frame image carry out background relatively disappear
Except the methods of) the known to those skilled in the art or following various Detection dynamic target methods known may be used, herein not
It gives and repeating.After detecting mobile object, the occupied pixel number of the mobile object can be learned.It determines shared by mobile object
Pixel number can also use the known to those skilled in the art or following various Detection dynamic target methods known, herein
It will not go into details.
According to a kind of embodiment, judgment means of overtaking other vehicles, which may also mean that, enables reception device, receives external judging result
Instruction.The driver of automobile can sentence by the observation to situation in rearview mirror or to the observation of situation that camera is produced
Break and there is the vehicle to be overtaken other vehicles, thus can by actions such as lower buttons, the hypervelocity judgment means that notify to overtake other vehicles there are passing vehicle,
In this case, judgment means of overtaking other vehicles can be that the instructions such as button or the instruction inputting device for parsing audio instructions connect
Receiving apparatus.
When judgment means of overtaking other vehicles determine that the first range unit and the second range unit are opened, and are started there are during passing vehicle
Work carries out ranging.
When passing vehicle is overtaken other vehicles, occupy this vehicle and (vapour of the hypervelocity judgment means of overtaking other vehicles of the present invention is installed
Vehicle) side road, thus the distance of this vehicle of distance can be relatively near on road width direction, usually less than 1.5 meters.It is overtaking other vehicles
Before vehicle is overtaken other vehicles, since the passed vehicle side of automobile is empty road surface, the first range unit 103 can not measure preset distance
The barrier of interior (such as in 1.5 meters).When passing vehicle is overtaken other vehicles, due on road width direction passing vehicle and this vehicle compared with
Closely, the first range unit 103 can be measured that there are barrier in preset distance, thus can determine that passing vehicle passes through first
The time t1 of range unit.Similarly, the second range unit 104 can determine that passing vehicle passes through the time of the second range unit
t2。
First range unit and the second range unit can be that radar range unit can also be infrared distance measuring device.It can be with
Using the preset distance obstacle detection technology used in radar for backing car etc..
Since the first range unit 103 and the second range unit 104 are on this vehicle length direction (this vehicle direction of advance)
It is known during distance L, thus opposite speed determining device 105 can be according to described time t1, t2, distance L determines passing vehicle
The relative velocity V of relatively described automobileRelatively=L/ (t2-t1).
The various methods that this vehicle speed acquisition device 106 may be used known to known to those skilled in the art or future are come
Determine the speed of this vehicle.In fact, there is many technologies that can realize this point, almost the instrument board of current all automobiles can
The speed of enough display automobiles.According to a kind of embodiment, this vehicle speed acquisition device 106 can include a photographic device, obtain
The speed of this vehicle shown on fascia is obtained, and is identified.
Hypervelocity judgment means 107 judge whether the passing vehicle surpasses according to the speed and the relative velocity of the automobile
Speed.Because it is known that this vehicle vehicle velocity VThis vehicle speed, and speed of the passing vehicle with respect to this vehicle is aware of, thus can know super
Vehicle velocity V=V of vehicle vehicleRelatively+VThis vehicle speed.It can be according to the speed limit that road traffic laws and regulations determine or the place being notified section
Speed limit, determine whether passing vehicle exceeds the speed limit.
Fig. 2 shows a kind of schematic block diagrams of the hypervelocity judgment means of embodiment according to the present invention.Such as Fig. 2 institutes
Show, according to a kind of embodiment, hypervelocity judgment means can include：
Speed computing device 201 determines the speed of passing vehicle according to the speed of the automobile and the relative velocity；
Speed limit storage device 202 stores the speed limit in each section；
Limit value receives updating device 203, receives the new speed limit in each section and updates what is stored in speed limit storage device
The speed limit of respective stretch；
Section determining device 204 determines the section that the automobile is currently located.Section determining device is for example filled including GPS
It puts and map storage device, the GPS coordinate in each section according to determined by the GPS location of this vehicle and map, where determining this vehicle
Section.
Exceed the speed limit comparison means 205, and whether the speed for judging the passing vehicle has been more than that speed as defined in current road segment limits
Value, determines whether to exceed the speed limit.Each road that can will be stored in the speed of the passing vehicle calculated and speed limit storage device 202
The speed limit of section is compared to determine whether to exceed the speed limit；
When the hypervelocity judgment means judge the passing vehicle hypervelocity, passing vehicle video obtains device 108 and obtains
The judgment means of overtaking other vehicles described in of the camera setting is taken to judge that there are the videos at t0 to t2 moment at the time of passing vehicle.
The car plate of the passing vehicle according to the video identification of moment t0 to the t2 of passing vehicle information recognition device 109
Information can also carry out more information identifications, such as automobile brand etc..When the license board information that can identify passing vehicle
When, violation information sending device 110 sends the video of moment t0 to the t2 and speed information, license board information to specified ground
Location, is reported or data statistics.In one embodiment, if not identifying the license board information of passing vehicle, nothing
Method determines car owner of the passing vehicle etc., can not be punished, thus violation information sending device is not being sent.Another
In a kind of embodiment, as long as detecting the situation with overtaking other vehicles, that is, the video information for sending the period of overtaking other vehicles is reported,
In this case, it is convenient to omit passing vehicle information recognition device 109.
In the above embodiment, the first range unit is detected in preset distance and is determined there are barrier for the first time
For the first time time of occurrence of passing vehicle, the second range unit is detected in preset distance and is determined there are barrier for the first time
Second of time of occurrence for passing vehicle.Due to sometimes this vehicle also in operation, the situation of road may also be more complicated,
And in some cases, king-sized consequence can't be caused to the missing inspection for the passing vehicle that exceeds the speed limit, and misrepresents deliberately hypervelocity passing vehicle
Consequence can be serious, thus a kind of embodiment according to the present invention, to the first range unit and the second range unit pair
The detection of first time time of occurrence and second of time of occurrence carries out some limitations.
According to a kind of embodiment, first range unit will be detected for the first time in the pre- spacing in the side of the automobile
The time for separating out existing object is determined as passing vehicle first time time of occurrence, and it is pre- in the side of the automobile to detect the object
The duration is determined as the first duration of passing vehicle by the duration of set a distance (such as in 1.5 meters), if
First duration is more than threshold value, then the first time time of occurrence is determined as the time t1.
According to this embodiment, if the passing vehicle existence time detected by the first range unit is too short, then
Just not in record t1.Only in the case where overtaking other vehicles and continue for a period of time, just recorded.Detection excess of export can be increased in this way
The reliability of vehicle vehicle.
According to a kind of embodiment, the threshold value between the first detection device and second detection device in this vehicle vehicle body length
Spend the distance L and 1/5 to 2/5 of the ratio of the speed of the automobile determined by described vehicle speed acquisition device on direction.
This range covers substantially the various common speed of overtaking other vehicles of each vehicle, is not in flase drop.This situation is suitable for Ben Cheche
Situation of the speed at 30 kilometers/hour or more.It can be according to different cities or the situation of different sections of highway, with the coefficient adjustment threshold value.
More than two sections be also applicable for the second range unit to the explanation of the first range unit and limitation.
According further to a kind of embodiment, flase drop device for eliminating can also be included, for example, if it is judged that L/t2-t1
It is worth excessive, has been more than conventional range or the t2 predetermined situations such as before t1 occur, the secondary survey can be ignored
Amount.
According further to a kind of embodiment, ranging off-stream unit can also be included, stopped in the predetermined time after instant t 2
With first range unit and second range unit.
Explanation to device is referred to the understanding of method, the explanation to method is referred to the understanding of device.This
The realization present invention of the mode of hardware may be used in field technology personnel, can also realize this in a manner that software coordinates hardware
Invention and one or more steps of the method for the present invention, one or more components of device.The coverage area of the present invention
Including a kind of computer software, when the computer software is performed, can coordinate photographic device realize the present invention method and
Various devices.The present invention coverage area include storage more than software tangible media, such as CD, RAM, DVD, hard disk,
The various media that floppy disk etc. is stored using light, magnetic, electricity etc. into row information.
The description of embodiment of the present invention is not limiting above, fall into the literal scope of the claims in the present invention with
And its all technical solutions in equivalency range are all within the scope of the present invention.
Claims (10)
- The hypervelocity judgment means 1. one kind is overtaken other vehicles, including：Camera, the camera are mounted on the rearview mirror of automobile；It overtakes other vehicles judgment means, the video obtained according to first camera, it is determined whether there is the vehicle to overtake other vehicles, That is passing vehicle；First range unit, first range unit are mounted on latter half of, the side of the automobile, when described of the automobile When judgment means of overtaking other vehicles are determined with passing vehicle, first range unit starts, determine passing vehicle by this first The time t1 of range unit；Second range unit, second range unit are mounted on the first half of the automobile, second range unit and institute State the first range unit be mounted on the automobile the same side, between second range unit and first range unit Distance on the length direction of the automobile is preset distance L, when the judgment means of overtaking other vehicles are determined with passing vehicle, Second range unit starts, and determines that passing vehicle passes through the time t2 of second range unit；With respect to speed determining device, according to described time t1, t2, the preset distance L determines the relatively described automobile of passing vehicle Relative velocity；This vehicle speed acquisition device, for determining the speed of the automobile；Exceed the speed limit judgment means, judges whether the passing vehicle exceeds the speed limit according to the speed of the automobile and the relative velocity；Passing vehicle video obtains device, when the hypervelocity judgment means judge the passing vehicle hypervelocity, described in acquisition The judgment means of overtaking other vehicles described in of camera production judge that there are the videos at t0 to t2 moment at the time of passing vehicle.
- 2. hypervelocity judgment means according to claim 1 of overtaking other vehicles, which is characterized in that the judgment means of overtaking other vehicles determine to move Pixel occupancy situation of the object in the camera obtains video frame, when within a predetermined period of time, the mobile object When the increment rate that pixel occupies is more than predetermined threshold, judge the mobile object for passing vehicle.
- 3. hypervelocity judgment means according to claim 1 of overtaking other vehicles, which is characterized in that first range unit is surveyed for radar Away from device or infrared distance measuring device,First range unit determines the time that object occurs in the side preset distance detected for the first time in the automobile For passing vehicle first time time of occurrence, and duration of the object in the side preset distance of the automobile is detected, it will The duration is determined as the first duration of passing vehicle,If first duration is more than threshold value, the first time time of occurrence is determined as the time t1.
- 4. hypervelocity judgment means according to claim 1 of overtaking other vehicles, which is characterized in that second range unit is surveyed for radar Away from device or infrared distance measuring device,Second range unit determines the time that object occurs in the side preset distance detected for the first time in the automobile For second of time of occurrence of passing vehicle, and duration of the object in the side preset distance of the automobile is detected, it will The duration is determined as the second duration of passing vehicle,If second duration is more than threshold value, second of time of occurrence is determined as the time t2.
- 5. hypervelocity judgment means according to claim 3 or 4 of overtaking other vehicles, which is characterized in that the threshold value is the pre- spacing From L and 1/5 to 2/5 of the ratio of the speed of the automobile determined by described vehicle speed acquisition device, wherein the automobile Speed be not less than 30 kilometers/hour.
- 6. it is according to claim 3 or 4 overtake other vehicles hypervelocity judgment means, which is characterized in that the threshold value for the ratio with The product of one adjustment factor, the adjustment factor are determined according to different section or different cities experimental data and erroneous judgement confidence level.
- 7. hypervelocity judgment means according to claim 1 of overtaking other vehicles, which is characterized in that the hypervelocity judgment means of overtaking other vehicles also are wrapped Ranging off-stream unit is included, deactivates first range unit and second range unit in the predetermined time after instant t 2.
- 8. hypervelocity judgment means according to claim 1 of overtaking other vehicles, which is characterized in that the hypervelocity judgment means of overtaking other vehicles also are wrapped Passing vehicle information recognition device is included, according to the license board information of passing vehicle described in the video identification of moment t0 to the t2.
- 9. hypervelocity judgment means according to claim 8 of overtaking other vehicles, which is characterized in that the hypervelocity judgment means of overtaking other vehicles also are wrapped Violation information sending device is included, when the passing vehicle information recognition device identifies the license board information of the passing vehicle, Send the video of moment t0 to the t2 and speed information, license board information to specified address.
- 10. hypervelocity judgment means according to claim 1 of overtaking other vehicles, which is characterized in that the hypervelocity judgment means include：Speed computing device determines the speed of passing vehicle according to the speed of the automobile and the relative velocity；Speed limit storage device stores the speed limit in each section；Limit value receives updating device, receives the new speed limit in each section and updates the respective stretch stored in speed limit storage device Speed limit；Section determining device determines the section that the automobile is currently located；Exceed the speed limit comparison means, judge the passing vehicle speed whether be more than the section being currently located defined speed limit Value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497269.5A CN108171994A (en) | 2017-12-31 | 2017-12-31 | Overspeed detection of overtaking other vehicles system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497269.5A CN108171994A (en) | 2017-12-31 | 2017-12-31 | Overspeed detection of overtaking other vehicles system and method |
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| CN108171994A true CN108171994A (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711497269.5A Pending CN108171994A (en) | 2017-12-31 | 2017-12-31 | Overspeed detection of overtaking other vehicles system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113561895A (en) * | 2021-09-23 | 2021-10-29 | 新石器慧通（北京）科技有限公司 | Unmanned vehicle early warning method and device, electronic equipment and storage medium |
| CN114220285A (en) * | 2021-12-14 | 2022-03-22 | 中国电信股份有限公司 | Positioning and warning method and device for overspeed vehicle, electronic equipment and readable medium |
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Application publication date: 20180615 |