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Title:
POSTURE ACQUISITION METHOD AND DEVICE, AND KEY POINT COORDINATE POSITIONING MODEL TRAINING METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/129064
Kind Code:
A1
Abstract:
A posture acquisition method and device, and a key point coordinate positioning model training method and device. The posture acquisition method comprises: acquiring a target video (201); with regard to an ith image frame in the target video, acquiring a heat map of the ith image frame, i being a positive integer (202); according to the heat map of the ith image frame and the heat map of the adjacent image frame of the ith image frame, obtaining the three-dimensional coordinates of a key point in the ith image frame (203); and according to the three-dimensional coordinates of the key point in the ith image frame, acquiring a target posture of a target object in the ith image frame (204). Said method effectively overcomes the problem of inaccurate prediction caused by different sizes and postures of a target object in different pictures, thereby improving the accuracy of the predicted key point position, and further improving the accuracy of the acquired posture.

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Inventors:
YANG BO (CN)
WANG BO (CN)
CHENG YU (CN)
CHEN MINGHUI (CN)
Application Number:
PCT/CN2020/121200
Publication Date:
July 01, 2021
Filing Date:
October 15, 2020
Export Citation:
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Assignee:
TENCENT TECH SHENZHEN CO LTD (CN)
International Classes:
G06N3/04; G06K9/00
Foreign References:
CN111126272A2020-05-08
CN107103733A2017-08-29
CN106503682A2017-03-15
CN110458046A2019-11-15
CN110334587A2019-10-15
CN110348412A2019-10-18
US20190213388A12019-07-11
US20190278983A12019-09-12
CN201911348014A2019-12-24
Other References:
FENG LONGFEI: "Research on 3D Facial Landmark Detection Method Based on Deep Learning", INFORMATION SCIENCE AND TECHNOLOGY, CHINESE MASTER’S THESES FULL-TEXT DATABASE, 1 January 2019 (2019-01-01), XP055824081
Attorney, Agent or Firm:
BEIJING SAN GAO YONG XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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