公开(公告)号：US11836235B2

公开(公告)日：2023-12-05

申请号：US17991213

申请日：2022-11-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hana Lee ,  Youngjun Kwak ,  Sungheon Park ,  Hyeongwook Yang ,  Byung In Yoo ,  Juwoan Yoo ,  Solae Lee ,  Yong-Il Lee ,  Jiho Choi

IPC: G06F21/32 ,  G06N3/02 ,  G06V40/40 ,  G06V10/56 ,  G06V10/764 ,  G06V10/82 ,  G06V10/147 ,  G06V40/16 ,  G06V10/60

CPC classification number: G06F21/32 ,  G06N3/02 ,  G06V10/147 ,  G06V10/56 ,  G06V10/60 ,  G06V10/764 ,  G06V10/82 ,  G06V40/166 ,  G06V40/168 ,  G06V40/45

Abstract: Disclosed is a method and apparatus for testing a liveness, where the liveness test method includes receiving a color image and a photodiode (PD) image of an object from an image sensor comprising a pixel formed of a plurality of PDs, preprocessing the color image and the PD image, and determining a liveness of the object by inputting a result of preprocessing the color image and a result of preprocessing the PD image into a neural network.

公开(公告)号：US11508188B2

公开(公告)日：2022-11-22

申请号：US17022451

申请日：2020-09-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hana Lee ,  Youngjun Kwak ,  Sungheon Park ,  Hyeongwook Yang ,  Byung In Yoo ,  Juwoan Yoo ,  Solae Lee ,  Yong-Il Lee ,  Jiho Choi

IPC: G06V40/40 ,  G06N3/02 ,  G06V10/56 ,  G06V10/60

Abstract: Disclosed is a method and apparatus for testing a liveness, where the liveness test method includes receiving a color image and a photodiode (PD) image of an object from an image sensor comprising a pixel formed of a plurality of PDs, preprocessing the color image and the PD image, and determining a liveness of the object by inputting a result of preprocessing the color image and a result of preprocessing the PD image into a neural network.

公开(公告)号：US11244181B2

公开(公告)日：2022-02-08

申请号：US17017118

申请日：2020-09-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Solae Lee ,  Youngjun Kwak ,  Sungheon Park ,  Byung In Yoo ,  Yong-Il Lee ,  Hana Lee ,  Jiho Choi

IPC: G06K9/00 ,  G06K9/32 ,  G06T7/00 ,  G06K9/36 ,  G06K9/62

Abstract: A method and apparatus for detecting a liveness based on a phase difference are provided. The method includes generating a first phase image based on first visual information of a first phase, generating a second phase image based on second visual information of a second phase, generating a minimum map based on a disparity between the first phase image and the second phase image, and detecting a liveness based on the minimum map.