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Method and system for moving target tracking based on video

A moving target and multi-moving target technology, applied in the field of digital image processing, to achieve the effect of reducing the amount of data processing, fast tracking and monitoring

Inactive Publication Date: 2013-06-12
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] In view of the above problems, a method for tracking moving objects based on video images involved in the present invention realizes fast and efficient search, prediction and monitoring of multiple moving objects, and can realize moving object tracking in complex backgrounds method, which can well solve the problem of moving target tracking in complex backgrounds and reduce the influence of the surrounding environment

Method used

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  • Method and system for moving target tracking based on video
  • Method and system for moving target tracking based on video
  • Method and system for moving target tracking based on video

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Embodiment 1

[0019] A video-based moving target tracking method involved in the present invention uses a camera to track the process of a vehicle traveling on a road, and plays a role in the system of video collection, formation of sequence images, target detection, target tracking and data management center The role of detection and target tracking has the following specific steps:

[0020] Step S1-01:

[0021] The video image of the vehicle is obtained through the camera, and the background update model is established by the computer to obtain the background image.

[0022] Step S1-02:

[0023] Segment the foreground of the video image, and use the frame difference method to make a difference between the background image and the current frame image, so as to segment the target of the vehicle.

[0024] Step S1-03:

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Abstract

The invention discloses a method and a system of moving target tracking based on a video. The method of moving target tracking comprises the following steps of: detecting a moving target, and fragmenting the moving target in a video image; establishing a color probability distribution map for the moving target; calculating a barycenter of a search window, and adjusting the size of the search window according to window zeroth moment; predicating the position of the search window in the next frame of image through a Kalman filter; and carrying out barycenter matching in an estimation range to track the target. According to the method and the system for moving target tracking based on the video, the problem of moving target tracking at complicated background can be well solved, and the method and the system are good in real-time performance and robustness.

Description

technical field [0001] The invention relates to digital image processing technology, in particular to a video-based moving target tracking method. Background technique [0002] The purpose of computer vision research is to use computers to replace human eyes and brains to perceive, interpret and understand the scene environment. With the continuous development of computer technology, using computer to realize human visual function has become one of the most popular topics in the computer field. [0003] As an important topic of computer vision, video tracking technology has attracted more and more researchers' attention in recent years. This is mainly due to two reasons: on the one hand, the sharp drop in computing and storage costs makes video tracking at or near the video rate It is possible to collect and store image sequences at a high speed; on the other hand, the extremely broad market application prospect of video tracking technology is also the main driving force fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/20
Inventor 奚传立陈晓荣丛媛杜翠霞杨旭
Owner UNIV OF SHANGHAI FOR SCI & TECH
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