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Pedestrian re-identification method and apparatus

A pedestrian re-identification and pedestrian technology, applied in the field of pedestrian re-identification methods and devices, can solve the problem of high cost of detectors

Active Publication Date: 2017-11-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, a detector designed for each locally salient feature requires a large number of labeled samples, making the design of the detector expensive

Method used

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  • Pedestrian re-identification method and apparatus
  • Pedestrian re-identification method and apparatus

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Embodiment Construction

[0067] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0068] The terms "first", "second", "third" and "fourth" in the specification and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive i...

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Abstract

Embodiments of the invention disclose a pedestrian re-identification method and apparatus. The method comprises the steps of obtaining a target image and a reference image; detecting a first local salient feature and a second local salient feature, wherein the first local salient feature is a local salient feature of the target image on a target region, and the second local salient feature is a local salient feature of the reference image on the target region; and calculating the similarity between the first local salient feature and the second local salient feature, wherein the target region is located in any region on a pedestrian body, and the process of detecting the local salient features comprises the steps of obtaining a salience map in the target region; performing binarization on the salience map of the target region to generate a binary image; and extracting a connected part set in the target region from the binary image, and determining the local salient features, wherein the local salient features include connected parts meeting a preset condition in the connected part set.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a pedestrian re-identification method and device. Background technique [0002] With people's increasing attention to social public safety and the development of video capture technology and large-scale data storage technology, a large number of surveillance cameras are used in places where there are dense crowds and public safety is likely to occur. It is difficult for humans to cope with the massive growth of surveillance video. The need for computers to re-identify pedestrians in surveillance videos arises at the historic moment. Among them, re-identification refers to the identification of a specific pedestrian who has appeared in the surveillance network in the surveillance video. For example, in the monitoring network, pedestrians will appear under different cameras. The task of pedestrian re-identification is to identify the identity of pedestrians in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46
CPCG06V40/10G06V20/53G06V10/462G06V10/56
Inventor 白博唐振陈茂林
Owner HUAWEI TECH CO LTD
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