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Multi-person attitude estimation method based on multi-layer fractal network and joint relative pattern

A fractal network, attitude estimation technology, applied in character and pattern recognition, computing, computer parts and other directions, can solve the problem of not guaranteeing the constraint relationship, unable to estimate the pose of multiple people efficiently, etc., to improve the average accuracy, improve the intermediate prediction, Remove the effect of cluttered matching

Active Publication Date: 2018-09-18
HUAQIAO UNIVERSITY +1
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Problems solved by technology

This method can effectively constrain the human body parts, but it cannot guarantee the constraint relationship between different joints of multiple people in the image, so it cannot efficiently estimate the poses of multiple people

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  • Multi-person attitude estimation method based on multi-layer fractal network and joint relative pattern
  • Multi-person attitude estimation method based on multi-layer fractal network and joint relative pattern
  • Multi-person attitude estimation method based on multi-layer fractal network and joint relative pattern

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[0046] The present invention discloses a multi-person pose estimation method based on a multi-layer fractal network and a joint kinship model. In the human joint point prediction stage, the multi-scale feature extraction unit is used to replace the remaining units in the original hourglass network, effectively increasing the size of the image The local receptive field area captures the larger local contextual feature information of the human body joints, simultaneously performs multiple up-and-down sampling on the image, extracts the multi-scale features of the human body, and performs intermediate prediction on the heat map position of the human body joints, and passes through the third layer of the fractal network Optimize the prediction results; at the same time, the present invention proposes a layered two-way reasoning algorithm to calculate the degree of kinship between adjacent joint points, effectively avoiding messy matching between multiple joint points, and greatly im...

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Abstract

The invention relates to a multi-person attitude estimation method based on a multi-layer fractal network and a joint relative pattern. The multi-person attitude estimation method adopts a three-layerfractal network model to predict key points of a human body, proposes a hierarchical bidirectional reasoning algorithm to match joint points of a plurality of people, realizes the optimal matching ofa plurality of human body joint points according to a relative degree and external space constraint relationship between each pair of joint points, effectively removing disorder matching among a large number of joint points, and can greatly improve the average precision of multi-person attitude estimation.

Description

technical field [0001] The invention relates to the field of human body posture estimation, in particular to a multi-person posture estimation method based on a multi-layer fractal network and a joint relative model. Background technique [0002] Human body pose estimation is a key step to further understand human behavior. Effectively predicting human body joints and obtaining corresponding motion poses is of great significance for realizing higher-level computer vision tasks such as behavior recognition, body tracking, and body weight recognition. Although there are many studies on human pose estimation, when there are multiple people in a single image, more limbs may be truncated or occluded, and it is difficult to locate the joint points of all individuals; and the interaction of multiple people's limbs is prone to joint dependence. High-dimensional input space. After the traditional single-person pose estimation method predicts the joint points of the human body, it on...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62
CPCG06V40/23G06V40/103G06F18/29
Inventor 骆炎民柳培忠徐志通
Owner HUAQIAO UNIVERSITY
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