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Pedestrian re-identification method and system

A pedestrian re-identification and pedestrian technology, which is applied in the field of pedestrian recognition, can solve problems such as the effect and occlusion affecting pedestrian re-identification, and achieve the effect of improving robustness and matching accuracy.

Active Publication Date: 2021-08-13
小视科技(江苏)股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In practical application scenarios, pedestrians are easily blocked by some objects (such as vehicles, trees, billboards, etc.), which affects the effect of pedestrian re-identification

Method used

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  • Pedestrian re-identification method and system
  • Pedestrian re-identification method and system

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Embodiment Construction

[0024] The technical solution of the present disclosure will be described in detail below in conjunction with the accompanying drawings. In the description of the present application, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features, Used only to distinguish different components.

[0025] figure 1 It is a flowchart of the method described in this application, such as figure 1 As shown, step S1: input a pedestrian image, extract the key points of the human torso, and synthesize the pedestrian image according to the key points of the human torso and occluded objects to obtain the first occluded pedestrian image.

[0026] Specifically, the key point of the human torso is the center point [x,y] of the occlusion area, and the occlusion area is [x,y,w,h], w∈[0.2*width,0.8*width], h∈[0.2*height...

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Abstract

The invention discloses a pedestrian re-identification method and system, relates to the technical field of pedestrian identification, solves the technical problem of low pedestrian re-identification accuracy under the shielding condition, and is characterized in that pedestrian image manual features are adopted to assist in supervising pedestrian re-identification model training, and the robustness of the recognition model to the pedestrian shielding scene is improved. And the matching accuracy of pedestrian re-identification is further improved by adopting the whitening matching method of the occluded pedestrian image based on the human body key points.

Description

technical field [0001] The present disclosure relates to the technical field of pedestrian recognition, and in particular to a method and system for pedestrian re-identification. Background technique [0002] The task of pedestrian re-identification is to match pedestrians captured by different cameras. Given a pedestrian image captured by a camera, retrieve the pedestrian from pedestrian images captured by other cameras. It is widely used in smart security, smart retail and other fields. In practical application scenarios, pedestrians are easily blocked by some objects (such as vehicles, trees, billboards, etc.), which affects the effect of pedestrian re-identification. [0003] At present, the methods of pedestrian re-identification are mainly divided into methods based on image manual features (refer to Bingpeng Ma, Yu Su, and Frederic Jurie. Covariance descriptor based on bio-inspired features for person reidentification and face verification. Image and Vision Computing,...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/46G06K9/62
CPCG06V40/10G06V10/50G06V10/56G06F18/241
Inventor 杨帆朱莹
Owner 小视科技(江苏)股份有限公司