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Pedestrian re-recognition method in monitoring video

A technology of pedestrian re-identification and surveillance video, which is applied in the field of pedestrian re-identification in surveillance video

Active Publication Date: 2014-08-13
CHINA JILIANG UNIV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Similar problems also exist in the identification of victims; in terms of entry and exit management, there are often controlled persons who use false identity documents to successfully escape the monitoring of relevant departments

Method used

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  • Pedestrian re-recognition method in monitoring video

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with accompanying drawing.

[0025] Such as figure 1 As shown, the pedestrian re-identification method in the surveillance video of the present invention comprises the following steps:

[0026] Step (1) Pedestrian contour extraction: extract the pedestrian contours appearing in the surveillance video of location A and the pedestrian contours in the surveillance videos of other locations respectively;

[0027] Step (2) Pedestrian feature extraction: Based on the symmetry of the human body, the outline of the pedestrian is divided into five regions of interest: the head, the left torso, the right torso, the left leg and the right leg, and the features of each region of interest are extracted separately. Selected features are: color, texture, shape.

[0028] Step (3) Pedestrian re-identification: Pedestrian re-identification refers to finding out some pedestrians appearing in the surveillance video of l...

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Abstract

The invention discloses a pedestrian re-recognition method based on human body symmetry and structural characteristic sparse expression in a monitoring video. In the method, the multi-frame image of a pedestrian to be identified is used for training, first of all, pedestrian contour detection and pedestrian contour extraction are carried out, then according to the human body symmetry, a pedestrian contour is divided into five areas of interest including a head portion, a left trunk, a right trunk, a left leg and a right leg, through selecting proper characteristics, feature extraction is carried out on the five areas of interest for inputting in a linearity model, and then a result to be re-recognized can be obtained. The method provided by the invention is highly relevant to actual situations and can effectively solve the problem of low pedestrian re-recognition accuracy in a video monitoring network.

Description

technical field [0001] The invention belongs to the field of intelligent monitoring, and in particular relates to a pedestrian re-identification method in monitoring video. Background technique [0002] Security is the basis for the survival and development of a society and an enterprise. Especially in today's highly developed modern technology, crimes are becoming more intelligent and methods are more concealed. It is even more important to strengthen modern security technology. For example, how to find a specific target among the crowds at ports such as airports, stations, docks, hotels, shopping malls or public places. In the past, the security department and the public security department could only rely on manual deployment and control. This method not only consumes a lot of police force, but also often causes specific targets to slip through the net due to the negligence of relevant personnel; after the criminal suspect is controlled, he is unwilling to reveal his tru...

Claims

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Application Information

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IPC IPC(8): G06K9/00
Inventor 章东平李艳洁陶玉婷徐娇
Owner CHINA JILIANG UNIV
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