CN109344795A - Vehicle speed detector device - Google Patents
Vehicle speed detector device Download PDFInfo
- Publication number
- CN109344795A CN109344795A CN201811225845.5A CN201811225845A CN109344795A CN 109344795 A CN109344795 A CN 109344795A CN 201811225845 A CN201811225845 A CN 201811225845A CN 109344795 A CN109344795 A CN 109344795A
- Authority
- CN
- China
- Prior art keywords
- module
- moving
- information
- vehicle
- dimensional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
- G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
Abstract
Vehicle speed detector device disclosed by the invention characterized by comprising image collection module, moving object detection module, moving target coordinate information conversion module, velocity to moving target calculate module, information-mapping module.Vehicle speed detector device proposed by the present invention, the two-dimensional coordinate of moving vehicle can be detected, and it is converted into three-dimensional coordinate, and then target actual size is determined according to three-dimensional coordinate, the information such as its practical spatial position, area, speed are obtained, the intelligent recognition to targets such as vehicles in video is realized, tracking and behavioural analysis, the more intuitive and three-dimensional visual effect of monitoring area and video is realized, and improves detection accuracy, enhances the friendly and convenience of user and system interaction.
Description
Technical field
The invention belongs to technical field of video monitoring, are related to a kind of vehicle speed detector device.
Background technique
With the development of auto industry and social economy, automobile quantity is increasingly huge, along with the sharp increase of automobile quantity, hands over
Interpreter thus also increasingly take place frequently.In many traffic accidents, hypervelocity becomes one of the main inducing of traffic accident.Therefore, in time
The speed of service for detecting vehicle is very necessary.
Detection of the existing monitoring system to vehicle is only capable of obtaining vehicle in the two-dimensional signal and mesh of video camera projection plane
The size of mark on a projection plane, the target information detected is really two-dimensional signal of the vehicle on video camera perspective plane, rather than
Target in three-dimensional space itself.Due to depending merely on the two-dimensional signal in camera views, vehicle actual size size can not be determined,
To cannot achieve real time speed measuring.In order to improve the monitoring accuracy of video monitoring, the speed of service of vehicle is detected in time, is needed
A kind of new vehicle speed detector is designed, to detect the three-dimensional dimension and the speed of service of vehicle.
Summary of the invention
The purpose of the present invention is to above-mentioned deficiencies, will transport using vehicle speed detector device, and sufficiently with the system
The information such as moving-target actual size size, area, speed are demarcated, and real-time display is in monitored picture, to realize fast
Speed detection running velocity, and effectively increase detection accuracy.
The vehicle speed detector device that the present invention uses, technical solution are as follows:
Vehicle speed detector device, which is characterized in that described device includes: image collection module, moving object detection module, movement mesh
Mark coordinate information conversion module, velocity to moving target calculates module, information-mapping module；
Described image obtains image or video information of the module to obtain setting monitoring area vehicle；
Image or video information of the moving object detection module to detect acquisition, judge whether there is moving vehicle；Such as
There are moving vehicles for fruit, detect the two-dimensional signal of moving vehicle；
The moving target coordinate information conversion module refers to when there are moving vehicle, and the two-dimensional signal of moving vehicle is converted
At three-dimensional information；
The velocity to moving target measuring and calculating module calculates the speed of moving vehicle according to the three-dimensional information of moving vehicle；
The information-mapping module refers to the three-dimensional information of moving vehicle and velocity information real-time display on monitoring display screen.
The beneficial effects of the present invention are: the two dimension of moving vehicle can be detected in vehicle speed detector device proposed by the present invention
Coordinate, and it is converted into three-dimensional coordinate, and then target actual size is determined according to three-dimensional coordinate, obtain its practical spatial position, face
The information such as product, speed realize the intelligent recognition to targets such as vehicles in video, tracking and behavioural analysis, realize monitored space
Domain and the more intuitive visual effect with solid of video, and detection accuracy is improved, enhance the friend of user and system interaction
Good property and convenience.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the composition schematic diagram of vehicle speed detector device of the present invention.
Fig. 2 is the composition schematic diagram of moving target three-dimensional calibration device of the present invention.
Specific embodiment
With reference to the accompanying drawings of the specification, the specific embodiment of vehicle speed detector device provided in an embodiment of the present invention is carried out
Explanation.
Vehicle speed detector device provided in an embodiment of the present invention, as shown in Figure 1, specifically including following several modules:
Image collection module 101, moving object detection module 102, moving target coordinate information conversion module 103, moving target
Speed calculates module 104, information-mapping module 105；
Described image obtains image or video information of the module 101 to obtain setting monitoring area vehicle；
Image or video information of the moving object detection module 102 to detect acquisition, judge whether there is moving vehicle；
If there is moving vehicle, the two-dimensional signal of moving vehicle is detected；
The moving target coordinate information conversion module 103 refers to when there are moving vehicle, by the two-dimensional signal of moving vehicle
It is converted into three-dimensional information；
The velocity to moving target measuring and calculating module 104 calculates the speed of moving vehicle according to the three-dimensional information of moving vehicle；
The information-mapping module 105 refers to the three-dimensional information of moving vehicle and velocity information real-time display in monitoring display screen
On.
Further, above-mentioned image collection module 101 uses mixed Gauss model, carries out to monitor camera video image
Background modeling realizes background and prospect separation, reaches the detection to moving target；It simultaneously can be according to light or video image
In scenery variation, background image is updated in real time, more accurately to extract moving target.
Further, above-mentioned moving object detection module 102 judges the video image and back that image collection module 101 obtains
Scape image is compared, and the target and object of relative motion are judged whether there is.If there is the target and object of movement, further according to ash
The target of movement and object are divided further into several pinpoint targets by the two dimensional images such as degree, edge, texture feature, to realize
Real-time detection goes out the two-dimensional signal of moving target.
Further, the fortune that above-mentioned moving target coordinate information conversion module 103 obtains moving object detection module 102
The two-dimensional signal of moving-target and object, terrain clearance, the tilt angle, vertical visual field angle of the monitor camera by combining installation
Degree, and calibrated in conjunction with preset three-dimensional data, to realize that real-time detection goes out the three-dimensional information of moving target.
Further, above-mentioned moving target coordinate information conversion module 103 includes moving target three-dimensional calibration device.
Further, above-mentioned moving target three-dimensional calibration device is as shown in Fig. 2, comprising three object data library module 201,
Three-dimensional space management module 202,3-D image demarcating module 203.
Further, the three object data library module 201 stores variety classes object three-dimensional data, for constructing
Data information of the moving target in three-dimensional space.
Further, the three-dimensional space management module 202, for generating moving target three-dimensional data, by moving target
Two-dimensional coordinate is converted into three-dimensional coordinate.
Further, the 3-D image demarcating module 203, for demarcating the 3-D image of moving target.
Further, above-mentioned velocity to moving target measuring and calculating module 104 calculates fortune according to the three-dimensional information of moving vehicle
The speed of motor-car.
Further, above- mentioned information mapping block 105, the three-dimensional information and velocity information of the moving vehicle that will acquire, base
It is transmitted in cable network or Wi-Fi, real-time display is on monitoring display screen.
Vehicle speed detector device provided by the invention, working condition are as follows:
Image collection module 101 obtains the image or video information of setting monitoring area vehicle；Moving object detection module 102 is examined
The image obtained or video information are surveyed, moving vehicle is judged whether there is；If there is moving vehicle, the two of moving vehicle are detected
Tie up information；The vehicle two-dimensional coordinate information that moving target coordinate information conversion module 103 will acquire, is converted by analytical calculation
Three-dimensional coordinate；Velocity to moving target calculates module 104 according to the three-dimensional information of moving vehicle, calculates the speed of moving vehicle；
Information-mapping module 105 is by the three-dimensional information of moving vehicle and velocity information real-time display on monitoring display screen.
Through the above description of the embodiments, it will be apparent to those skilled in the art do not departing from the present invention
Spirit or essential characteristics in the case where, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and component are realized.Without departing from the scope and spirit of the present invention, can to embodiments disclosed herein into
The other deformations of row and change, if these modifications and changes of the present invention belongs to the model of the claims in the present invention and its equivalent technologies
Within enclosing, then the present invention is also intended to include these modifications and variations.
Claims (4)
1. vehicle speed detector device characterized by comprising image collection module, moving object detection module, moving target coordinate
Info conversion module, velocity to moving target calculate module, information-mapping module；
Described image obtains image or video information of the module to obtain setting monitoring area vehicle；
Image or video information of the moving object detection module to detect acquisition, judge whether there is moving vehicle；Such as
There are moving vehicles for fruit, detect the two-dimensional signal of moving vehicle；
The moving target coordinate information conversion module refers to when there are moving vehicle, and the two-dimensional signal of moving vehicle is converted
At three-dimensional information；
The velocity to moving target measuring and calculating module calculates the speed of moving vehicle according to the three-dimensional information of moving vehicle；
The information-mapping module refers to the three-dimensional information of moving vehicle and velocity information real-time display on monitoring display screen.
2. vehicle speed detector device according to claim 1, it is characterised in that described image obtains module and uses mixed Gaussian mould
Type carries out background modeling to monitor camera video image, realizes background and prospect separation.
3. vehicle speed detector device according to claim 1, it is characterised in that the moving target coordinate information conversion module
Include moving target three-dimensional calibration device.
4. vehicle speed detector device according to claim 3, it is characterised in that the moving target three-dimensional calibration device includes three
Dimensional object data library module, three-dimensional space management module, 3-D image demarcating module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225845.5A CN109344795A (en) | 2018-10-21 | 2018-10-21 | Vehicle speed detector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225845.5A CN109344795A (en) | 2018-10-21 | 2018-10-21 | Vehicle speed detector device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109344795A true CN109344795A (en) | 2019-02-15 |
Family
ID=65310661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811225845.5A Pending CN109344795A (en) | 2018-10-21 | 2018-10-21 | Vehicle speed detector device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109344795A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112836592A (en) * | 2021-01-14 | 2021-05-25 | 武汉博雅弘拓科技有限公司 | Image identification method, system, electronic equipment and storage medium |
-
2018
- 2018-10-21 CN CN201811225845.5A patent/CN109344795A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112836592A (en) * | 2021-01-14 | 2021-05-25 | 武汉博雅弘拓科技有限公司 | Image identification method, system, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106710240B (en) | The passing vehicle for merging multiple target radar and video information tracks speed-measuring method | |
| CN104021676A (en) | Vehicle positioning and speed measuring method based on dynamic video feature of vehicle | |
| CN105136064A (en) | Moving object three-dimensional size detection system and method | |
| CN103456172B (en) | A kind of traffic parameter measuring method based on video | |
| CN102855659B (en) | Three-dimensional holographic visualization system and method for high-speed comprehensively detecting train | |
| CN104134354A (en) | Traffic monitoring system for speed measurement and assignment of moving vehicles in a multi-target recording module | |
| KR20200141422A (en) | Vehicle and sensing device of utilizing spatial information acquired using sensor, and server for the same | |
| Wedel et al. | Realtime depth estimation and obstacle detection from monocular video | |
| Yang et al. | Cosmos smart intersection: Edge compute and communications for bird's eye object tracking | |
| CN103176185A (en) | Method and system for detecting road barrier | |
| Vakili et al. | Single–camera vehicle speed measurement using the geometry of the imaging system | |
| CA3156840C (en) | Video-based tracking systems and methods | |
| CN108986485A (en) | Vehicle speed detector based on intelligent video analysis technology | |
| CN106327880B (en) | A kind of speed recognition methods and its system based on monitor video | |
| US20220044558A1 (en) | Method and device for generating a digital representation of traffic on a road | |
| CN108957024A (en) | A kind of method, apparatus and electronic equipment of tachometric survey | |
| Altekar et al. | Infrastructure-based sensor data capture systems for measurement of operational safety assessment (osa) metrics | |
| CN113034586A (en) | Road inclination angle detection method and detection system | |
| Niskanen et al. | Time-of-flight sensor for getting shape model of automobiles toward digital 3D imaging approach of autonomous driving | |
| US20230177724A1 (en) | Vehicle to infrastructure extrinsic calibration system and method | |
| CN101782386B (en) | Non-visual geometric camera array video positioning method and system | |
| Yao et al. | Developing operating mode distribution inputs for MOVES with a computer vision–based vehicle data collector | |
| CN109344795A (en) | Vehicle speed detector device | |
| Yao et al. | Airborne traffic monitoring in large areas using LiDAR data–theory and experiments | |
| CN108122244B (en) | Video speed measuring method and device for video image |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190215 |
|
| WD01 | Invention patent application deemed withdrawn after publication |