公开(公告)号：US11030470B2

公开(公告)日：2021-06-08

申请号：US16215750

申请日：2018-12-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaejoon Han ,  Youngjun Kwak ,  Byungln Yoo ,  Changkyu Choi

IPC: G06K9/00 ,  G06K9/62 ,  H04N9/04 ,  H04N5/33 ,  G06F21/32 ,  G06N3/08 ,  G06K9/20

Abstract: A processor-implemented liveness test method includes: obtaining a color image including an object and an infrared (IR) image including the object; performing a first liveness test using the color image; performing a second liveness test using the IR image; and determining a liveness of the object based on a result of the first liveness test and a result of the second liveness test.

公开(公告)号：US10891468B2

公开(公告)日：2021-01-12

申请号：US16168177

申请日：2018-10-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngsung Kim ,  Chang Kyu Choi ,  Byungln Yoo

IPC: G06K9/00 ,  G06N3/08 ,  G06N3/04 ,  G06K9/62 ,  G06F3/01

Abstract: A processor-implemented method includes obtaining an input image including a face of a user, extracting a feature from the input image, estimating a facial expression of the input image and an expressiveness of the facial expression of the input image corresponding to a determined expression intensity of the facial expression based on the extracted feature, normalizing the expressiveness of the facial expression of the input image to a universal expressiveness, and recognizing the facial expression based on the universal expressiveness.