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公开(公告)号：US11074437B2
公开(公告)日：2021-07-27
申请号：US15930714
申请日：2020-05-13
Inventor： Shihu Li , Xiangda Yan , Yuanzhang Chang , Zhibin Hong , Tianshu Hu , Kun Yao , Junyu Han , Jingtuo Liu , Shengxian Zhu
Abstract: A method, an electronic device and a storage medium for expression driving are disclosed. The method may include: performing facial key point detection on a driven character in a first image to obtain a first facial key point sequence; performing the following processing for each second image of a plurality of second images obtained successively: performing facial key point detection on a driving character in the second image to obtain a second facial key point sequence; obtaining a difference between the second facial key point sequence and an expressionless key point sequence which has been determined previously according to an analysis on the second facial key point sequence for a previous second image, and performing expression drive rendering on the driven character based on the difference and the first facial key point sequence. The technical solution may enhance flexibility, interactivity, accuracy etc.
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公开(公告)号：US11238633B2
公开(公告)日：2022-02-01
申请号：US17192106
申请日：2021-03-04
Inventor： Yuanzhang Chang , Xiaoxin Ma , Hui Zhao
Abstract: A method and apparatus for beautifying a face are provided. The method may include: extracting a first predetermined number of key points from a current face image captured in advance, and expanding a second predetermined number of key points in the current face image; extracting each preset key point from a triangulation template with a preset functionality, and extracting a target key point corresponding to each preset key point from a set of key points consisting of the first predetermined number of key points and the second predetermined number of key points; extracting each preset triangulation grid from the triangulation template based on each preset key point, and constructing a target triangulation grid corresponding to each preset triangulation grid in the current face image based on each target key point; and performing beautifying with the preset functionality on the current face image on each target triangulation grid.
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公开(公告)号：US20210319607A1
公开(公告)日：2021-10-14
申请号：US17192106
申请日：2021-03-04
Inventor： Yuanzhang Chang , Xiaoxin Ma , Hui Zhao
Abstract: A method and apparatus for beautifying a face are provided. The method may include: extracting a first predetermined number of key points from a current face image captured in advance, and expanding a second predetermined number of key points in the current face image; extracting each preset key point from a triangulation template with a preset functionality, and extracting a target key point corresponding to each preset key point from a set of key points consisting of the first predetermined number of key points and the second predetermined number of key points; extracting each preset triangulation grid from the triangulation template based on each preset key point, and constructing a target triangulation grid corresponding to each preset triangulation grid in the current face image based on each target key point; and performing beautifying with the preset functionality on the current face image on each target triangulation grid.
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