CN105551246A - Method of calculating vehicle flow threshold of traffic signal controller - Google Patents
Method of calculating vehicle flow threshold of traffic signal controller Download PDFInfo
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- CN105551246A CN105551246A CN201510925264.2A CN201510925264A CN105551246A CN 105551246 A CN105551246 A CN 105551246A CN 201510925264 A CN201510925264 A CN 201510925264A CN 105551246 A CN105551246 A CN 105551246A
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- area ratio
- traffic
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- signaling equipment
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
- G08G1/0145—Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow control
Abstract
The invention discloses a method of calculating a vehicle flow threshold of a traffic signal controller. The method comprises steps: a video signal for the vehicle flow is acquired through a data acquisition module; a traffic video flow is decoded and transcoded through a data conversion module; the video data flow is transmitted to a central processor module; the central processor module calculates an area ratio of a vehicle photographed in each frame of video to the overall video, and the minimal area ratio, the middle area ratio and the maximal area ratio are obtained; vehicle flows before and after a time point when the middle area ratio is are observed through a display module, and a proper time point for converting a signal of the traffic signal controller is found out; and a query instruction is inputted, and the area ratio values corresponding to the time points are found out. The method of the invention has the advantages that through acquisition, counting and calculating of big data, the vehicle flow threshold is obtained, on and off of a signal lamp of the traffic signal controller are started through the calculated threshold, and the road passing efficiency is effectively enhanced.
Description
Technical field
The invention belongs to traffic monitoring and intelligent video analysis field, be specifically related to a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment.
Background technology
Intelligent video analysis refers to and from vision signal, extracts useful information by practical analysis machine technology, and carries out real-time intelligent analysis to video content.Its essence be computing machine to the extraction of " useful content " in video and the process of understanding, the key of this process is that the specific behavior of computing machine to the particular event occurred in video scene or target is analyzed, understands, identified and take some measure.
Along with the increase of public transport awareness of safety, traffic surveillance and control system achieves significant progress, and is widely used.But current most video monitoring system does not also possess the ability of intellectual analysis video content, and all monitor videos must rely on manpower process.But the video relying on manpower to monitor the shooting of numerous camera has significant limitation: one is that the energy of people is limited, can not pay close attention to video information at any time; Two is that amount of video information is huge, and same time showing is limited at the camera lens of video wall, often misses the information that some merit attention; Three is that video information is difficult to comprehensively be analyzed, and easily causes and estimates the mistake of the state of affairs.Therefore the effect that a large amount of videos in fact just serves " inquiring about " afterwards, does not play the maximum utility of information process-.
By using intelligent video analysis technology in traffic surveillance and control system, the control of traffic signals can be carried out according to vehicle flowrate on road, effectively improve traffic efficiency.
Summary of the invention
Technical matters to be solved of the present invention is to provide a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment, the threshold value calculated by this, can start the signal lamp opening and closing of traffic signal controlling machine, effectively promotes the traffic efficiency of road.
The present invention solves the problems of the technologies described above by the following technical solutions: a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment, comprise the steps:
Step 1: by the vision signal of data collecting module collected vehicle flowrate;
Step 2: data conversion module is decoded and transcoding to traffic video stream;
Step 4: video data stream is sent to CPU module;
Step 5: CPU module calculates the area ratio of whole video shared by vehicle taken in each frame video, draws minimum area ratio, middle area ratio and maximum area ratio;
Step 6: in the middle of being observed by display module area ratio place time point before and after vehicle flowrate, find out a suitable time point can changing traffic signaling equipment signal;
Step 7: the time point can changing traffic signaling equipment signal found out according to step 6, by operational module, input inquiry instruction, finds the area ratio value that these time points are corresponding, is namely the magnitude of traffic flow threshold value controlling traffic signaling equipment.
Optimize, in described step 5, calculate the data of 24 hours.
Optimize, in described step 2, data conversion module is decoded to traffic video stream and transcoding is the traffic video data stream of AVI form.
Optimize, between step 2 and step 4, also comprise step 3: video data stream is carried out data compression further by data compressing module.
Optimize, described data acquisition module adopts camera.
Optimize, described camera is arranged on the mounting rod above track.
Optimize, a camera is at least installed above each track.
The invention has the advantages that: by the collection of large data, statistics, calculating, draw magnitude of traffic flow threshold value, the threshold value calculated by this, start the signal lamp opening and closing of the traffic signal controlling machine on track, effectively promote the traffic efficiency of road.
Accompanying drawing explanation
Fig. 1 is the composition frame chart of a kind of traffic flow control system of the present invention.
Fig. 2 is a kind of process flow diagram controlling the computing method of the vehicle flowrate threshold value of traffic signaling equipment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Refer to shown in Fig. 1, the system that a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment of the present invention use comprises data acquisition module, data conversion module, data compressing module, data transmission module, CPU module, display module, operational module.
Described data acquisition module, data conversion module, data compressing module, data transmission module, CPU module are connected successively, and display module and operational module are connected to CPU module.
Described data acquisition module is gathered by video frequency collection card traffic video stream, encodes, and to be decoded and transcoding is the traffic video data stream of AVI form by data conversion module to traffic video stream.Video data stream is carried out data compression further by data compressing module, frequency data stream through overcompression is sent to CPU module, display module can the video that collects of displaying data in real-time acquisition module, and the analysis result of CPU module.CPU module can be entered the operating instructions by operational module.
Further, described data acquisition module adopts camera, and described camera is arranged on the mounting rod above track.
Optimize, a camera is at least installed above each track.
Refer to shown in Fig. 2, a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment of the present invention comprise the steps:
Step 1: by the vision signal of data collecting module collected vehicle flowrate;
Step 2: data conversion module is decoded to traffic video stream and transcoding is the traffic video data stream of AVI form;
Step 3: video data stream is carried out data compression further by data compressing module;
Step 4: the video data stream through overcompression is sent to CPU module;
Step 5: CPU module calculates the area ratio of whole video shared by vehicle taken in each frame video, calculates the data of 24 hours, draws minimum area ratio, middle area ratio and maximum area ratio;
Step 6: in the middle of being observed by display module area ratio place time point before and after vehicle flowrate, find out a suitable time point can changing traffic signaling equipment signal;
Step 7: the time point can changing traffic signaling equipment signal found out according to step 6, pass through operational module, input inquiry instruction, find the area ratio value that these time points are corresponding, namely be the magnitude of traffic flow threshold value controlling traffic signaling equipment, after calculating by this step the magnitude of traffic flow threshold value controlling traffic signaling equipment, the area ratio of whole video shared by the vehicle of video data stream also taken by calculating received by central processing unit at every turn, the value calculated and this threshold value contrast, if be greater than this threshold value, the traffic signaling equipment then controlling the track of this camera position gives a green light, if close to this threshold value, then control the bright orange lamp of traffic signaling equipment in the track of this camera position, if be less than this threshold value, the traffic signaling equipment then controlling the track of this camera position sends out a warning.
The foregoing is only the preferred embodiment of the invention; not in order to limit the invention; the any amendment done within all spirit in the invention and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in the invention.
Claims (7)
1. control computing method for the vehicle flowrate threshold value of traffic signaling equipment, it is characterized in that: comprise the steps:
Step 1: by the vision signal of data collecting module collected vehicle flowrate;
Step 2: data conversion module is decoded and transcoding to traffic video stream;
Step 4: video data stream is sent to CPU module;
Step 5: CPU module calculates the area ratio of whole video shared by vehicle taken in each frame video, draws minimum area ratio, middle area ratio and maximum area ratio;
Step 6: in the middle of being observed by display module area ratio place time point before and after vehicle flowrate, find out a suitable time point can changing traffic signaling equipment signal;
Step 7: the time point can changing traffic signaling equipment signal found out according to step 6, by operational module, input inquiry instruction, finds the area ratio value that these time points are corresponding, is namely the magnitude of traffic flow threshold value controlling traffic signaling equipment.
2. a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment according to claim 1, is characterized in that: in described step 5, calculate the data of 24 hours.
3. a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment according to claim 1, is characterized in that: in described step 2, and data conversion module is decoded to traffic video stream and transcoding is the traffic video data stream of AVI form.
4. a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment according to claim 1, is characterized in that: between step 2 and step 4, also comprise step 3: video data stream is carried out data compression further by data compressing module.
5. a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment according to claim 1, is characterized in that: described data acquisition module adopts camera.
6. a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment according to claim 1, is characterized in that: described camera is arranged on the mounting rod above track.
7. a kind of computing method controlling the vehicle flowrate threshold value of traffic signaling equipment according to claim 6, is characterized in that: at least install a camera above each track.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510925264.2A CN105551246B (en) | 2015-12-08 | 2015-12-08 | A kind of computational methods of the vehicle flowrate threshold value of control traffic signaling equipment |
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| CN201510925264.2A CN105551246B (en) | 2015-12-08 | 2015-12-08 | A kind of computational methods of the vehicle flowrate threshold value of control traffic signaling equipment |
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| CN105551246A true CN105551246A (en) | 2016-05-04 |
| CN105551246B CN105551246B (en) | 2017-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507429A (en) * | 2017-09-13 | 2017-12-22 | 安徽晨讯智能科技有限公司 | A kind of break in traffic rules and regulations information acquisition system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001101571A (en) * | 1999-09-30 | 2001-04-13 | Sumitomo Electric Ind Ltd | Method, system, and device for decoding traffic congestion and recording medium |
| JP2010020483A (en) * | 2008-07-09 | 2010-01-28 | Denso Corp | Vehicle detection device, vehicle detection program and light controller |
| CN102142197A (en) * | 2011-03-31 | 2011-08-03 | 汤一平 | Intelligent traffic signal lamp control device based on comprehensive computer vision |
| CN103730015A (en) * | 2013-12-27 | 2014-04-16 | 株洲南车时代电气股份有限公司 | Method and device for detecting traffic flow at intersection |
| CN204614208U (en) * | 2015-04-02 | 2015-09-02 | 燕山大学里仁学院 | Based on the wagon flow supervisory system that live video stream detects |
-
2015
- 2015-12-08 CN CN201510925264.2A patent/CN105551246B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001101571A (en) * | 1999-09-30 | 2001-04-13 | Sumitomo Electric Ind Ltd | Method, system, and device for decoding traffic congestion and recording medium |
| JP2010020483A (en) * | 2008-07-09 | 2010-01-28 | Denso Corp | Vehicle detection device, vehicle detection program and light controller |
| CN102142197A (en) * | 2011-03-31 | 2011-08-03 | 汤一平 | Intelligent traffic signal lamp control device based on comprehensive computer vision |
| CN103730015A (en) * | 2013-12-27 | 2014-04-16 | 株洲南车时代电气股份有限公司 | Method and device for detecting traffic flow at intersection |
| CN204614208U (en) * | 2015-04-02 | 2015-09-02 | 燕山大学里仁学院 | Based on the wagon flow supervisory system that live video stream detects |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507429A (en) * | 2017-09-13 | 2017-12-22 | 安徽晨讯智能科技有限公司 | A kind of break in traffic rules and regulations information acquisition system |
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Effective date of registration: 20200521 Address after: 1101, floor 11, building 1, No. 28, Pingguoyuan Road, Shijingshan District, Beijing 100000 Patentee after: Lilou Technology (Beijing) Co., Ltd Address before: 230000 Mount Huangshan road Anhui city Hefei province high tech Zone No. 616 iFLYTEK No. 1 building three layer Patentee before: HEFEI VRVIEW INFORMATION TECHNOLOGY Co.,Ltd. |