Title:
EXPRESSION GENERATION METHOD AND APPARATUS, DEVICE, MEDIUM AND COMPUTER PROGRAM PRODUCT
Document Type and Number:
WIPO Patent Application WO/2023/103600
Kind Code:
A1
Abstract:
An expression generation method and apparatus, a device, a medium and a computer program product, relating to the technical field of artificial intelligence and the basic technical field of games. The method comprises: acquiring expression position difference information of a face key point of a real face under a first expression and a second expression (202); acquiring an initial virtual face key point of a virtual face under the first expression (204); on the basis of the expression position difference information and the initial virtual face key point, obtaining a target virtual face key point of the virtual face under the second expression (206); extracting a key point distribution feature on the basis of the target virtual face key point, and on the basis of the key point distribution feature, determining a target control parameter for controlling an associated vertex in a face mesh of the virtual face related to the second expression (208); and controlling, on the basis of the target control parameter, the associated vertex in the face mesh to move, so as to generate the second expression in the virtual face (210).
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Inventors:
ZHOU ZHIQIANG (CN)
Application Number:
PCT/CN2022/126077
Publication Date:
June 15, 2023
Filing Date:
October 19, 2022
Export Citation:
Assignee:
TENCENT TECH SHENZHEN CO LTD (CN)
International Classes:
G06T13/40
Foreign References:
| CN113870401A | 2021-12-31 | |||
| US20080037836A1 | 2008-02-14 | |||
| US20190325633A1 | 2019-10-24 | |||
| CN109410298A | 2019-03-01 | |||
| CN111632374A | 2020-09-08 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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