公开(公告)号：US10776609B2

公开(公告)日：2020-09-15

申请号：US15905609

申请日：2018-02-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Abhishek Kolagunda ,  Xiaolong Wang ,  Serafettin Tasci ,  Dawei Li

IPC: G06K9/00 ,  G06T17/10

Abstract: One embodiment provides a method for face liveness detection. The method comprises receiving a first image comprising a face of a user, determining one or more two-dimensional (2D) facial landmark points based on the first image, and determining a three-dimensional (3D) pose of the face in the first image based on the one or more determined 2D facial landmark points and one or more corresponding 3D facial landmark points in a 3D face model for the user. The method further comprises determining a homography mapping between the one or more determined 2D facial landmark points and one or more corresponding 3D facial landmark points that are perspectively projected based on the 3D pose, and determining liveness of the face in the first image based on the homography mapping.

公开(公告)号：US20190266388A1

公开(公告)日：2019-08-29

申请号：US15905609

申请日：2018-02-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Abhishek Kolagunda ,  Xiaolong Wang ,  Serafettin Tasci ,  Dawei Li

IPC: G06K9/00

Abstract: One embodiment provides a method for face liveness detection. The method comprises receiving a first image comprising a face of a user, determining one or more two-dimensional (2D) facial landmark points based on the first image, and determining a three-dimensional (3D) pose of the face in the first image based on the one or more determined 2D facial landmark points and one or more corresponding 3D facial landmark points in a 3D face model for the user. The method further comprises determining a homography mapping between the one or more determined 2D facial landmark points and one or more corresponding 3D facial landmark points that are perspectively projected based on the 3D pose, and determining liveness of the face in the first image based on the homography mapping.