Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Vehicle count method based on video image

A technology of video image and counting method, which is applied in the direction of image data processing, image analysis, traffic control system of road vehicles, etc., and can solve the problems of high cost, huge system, and the loop induction coil is susceptible to electromagnetic interference, etc.

Active Publication Date: 2008-07-23
GUANGDONG VIMICRO
View PDF0 Cites 26 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, loop induction coil detectors are mainly used to count vehicles on highways. The main disadvantage of this method is that the loop induction coil is susceptible to electromagnetic interference, and the system is large and costly, making it difficult to be widely used.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Vehicle count method based on video image
  • Vehicle count method based on video image
  • Vehicle count method based on video image

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] Figure 1 shows a simplified block diagram of a hardware system 100 that implements the vehicle counting method of the present invention. The hardware system 100 includes: a camera 101 for capturing video images; a video codec 102 for capturing data captured by the camera 101. The image is encoded and decoded; and the computer 103 is used to receive the video image from the video codec 102 through the IP network 104, and then process the received video image by the vehicle counting method of the present invention to perform vehicle counting.

[0033] Optionally, the vehicle counting method of the present invention can also be implemented by the hardware system 200 shown in FIG. 2. The difference between the hardware system 200 and the hardware system 100 is that the microprocessor in the embedded system in the hardware system 200 201 is implemented directly, and then the result is transmitted to the client computer through the IP network 104.

[0034] The following describes...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

Disclosed is a vehicle counting method based on video pictures, comprising steps as follows: catching a multi-frame video picture and collecting the pixel value of each pixel in the multi-frame video picture, beginning from the preset frame picture to calculate the probability density value of the pixel value at the preset time of each pixel in the preset frame video picture according to each collected pixel value in the multi-frame picture, confirming the foreground picture of the video picture via utilizing the probability density value by calculating, confirming the area in the foreground picture being larger than a certain area of specified value as motive vehicles, and running after the vehicles in the video picture to obtain the number of new vehicle and that of departed vehicles. The invention can be carried out by a network camera, a microprocessor, a video codec and hardware system of computers. The method of the invention employs computer vision technology to realize vehicle counting, further, the invention is simple in required equipment, easy in realizing and low in cost.

Description

Technical field [0001] The invention relates to a vehicle counting method, in particular to a vehicle counting method based on video images. Background technique [0002] Statistics and analysis of vehicle flow play a vital role in the load control and management of expressways, etc., and are the basis of scientific expressway management. [0003] At present, loop induction coil detectors are mainly used to count vehicles on expressways. The main disadvantage of this method is that loop induction coils are susceptible to electromagnetic interference, and the system is large and costly, making it difficult to be widely used. Summary of the invention [0004] The object of the present invention is to provide a vehicle counting method based on visual images, so as to improve the above-mentioned shortcomings of using a loop induction coil for vehicle counting in the prior art. [0005] The video image-based vehicle counting method of the present invention includes the following step...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/065G06K9/00G06T7/00
Inventor 王磊王浩黄英
Owner GUANGDONG VIMICRO
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com