Invention Grant
- Patent Title: Method and apparatus for detecting liveness based on phase difference
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Application No.: US17570761Application Date: 2022-01-07
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Publication No.: US12148249B2Publication Date: 2024-11-19
- Inventor: Solae Lee , Youngjun Kwak , Sungheon Park , Byung In Yoo , Yong-Il Lee , Hana Lee , Jiho Choi
- Applicant: SAMSUNG ELECTRONICS CO., LTD.
- Applicant Address: KR Suwon-si
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Suwon-si
- Agency: NSIP Law
- Priority: KR10-2020-0022858 20200225
- Main IPC: G06V40/00
- IPC: G06V40/00 ; G06F18/21 ; G06F18/25 ; G06T7/00 ; G06V10/147 ; G06V10/50 ; G06V10/764 ; G06V10/80 ; G06V10/82 ; G06V40/40

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.
Public/Granted literature
- US20220130176A1 METHOD AND APPARATUS FOR DETECTING LIVENESS BASED ON PHASE DIFFERENCE Public/Granted day:2022-04-28
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