Key point detection method, system and device and storage medium

A detection method and a technology of key points, applied in the field of image processing, can solve the problems of slow speed and low efficiency of the cyclic neural network, and achieve the effects of easy training, high-efficiency operation, and high-precision operation

Pending Publication Date: 2020-06-26
BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
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Problems solved by technology

However, the methods in the prior art still have some defects in the detection of key points, and there is still room for further im

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  • Key point detection method, system and device and storage medium
  • Key point detection method, system and device and storage medium
  • Key point detection method, system and device and storage medium

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[0048] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms, and should not be construed as being limited to the examples set forth herein; on the contrary, the provision of these embodiments makes the present disclosure more comprehensive and complete, and fully conveys the concept of the example embodiments To those skilled in the art. The described features, structures or characteristics can be combined in one or more embodiments in any suitable way.

[0049] In addition, the drawings are only schematic illustrations of the present disclosure, and are not necessarily drawn to scale. The same reference numerals in the figures indicate the same or similar parts, and thus their repeated description will be omitted. Some of the block diagrams shown in the drawings are functional entities and do not necessarily correspond to physically or logically independent entitie...

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Abstract

The invention provides a key point detection method, system and device and a storage medium, and the method comprises the steps: inputting a to-be-detected image into a trained activation graph generation model, and obtaining a gradient type activation graph of at least one stage; inputting a to-be-detected image and the gradient category activation graph into the trained key point detection model, and respectively inputting the gradient category activation graph into the corresponding non-local modules to obtain a key point prediction graph; and analyzing all connected regions in the key point prediction graph, and calculating the center of the connected region with the maximum area to serve as the position of the corresponding key point. The method is advantaged in that rapid and accurate key point detection is realized on the basis of the spatial attention mechanism, and the method can be applied to clothing key point detection and can also be applied to key point detection of othertypes of images in other fields.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a key point detection method, system, device and storage medium. Background technique [0002] Key point detection is one of the common tasks in computer vision. By identifying the image, it is judged whether there are key points in the image and the location of the key points, such as: human body key point detection, vehicle key point detection, clothing key point detection, etc. The key points of clothing are some special positions marked in the clothing, such as cuffs, necklines, trousers and so on. Detecting key points in clothing can play a role in the subsequent understanding of clothing, such as helping to predict clothing attributes and categories, and so on. [0003] There are two main types of existing key point detection methods. The first type is to directly use the image as input through the convolutional neural network, and at the same time directl...

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Application Information

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IPC IPC(8): G06K9/46G06K9/34G06K9/62
CPCG06V10/267G06V10/44G06F18/214G06F18/24
Inventor 李翌昕叶韵
Owner BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD
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