Title:
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/176247
Kind Code:
A1
Abstract:
An information processing device (100) comprises a control unit (130). The information processing device (100) performs contactless authentication of a living body using an image. The control unit (130) acquires a phase difference image that has been acquired by an image plane phase difference sensor (200). The control unit (130) detects a background from the phase difference image. The control unit (130) determines whether the living body is an impersonator on the basis of an in-focus position of the image plane phase difference sensor (200) in at least a part of the background.
Inventors:
TAKAHASHI AI (JP)
SAKUMOTO KOICHI (JP)
SAKUMOTO KOICHI (JP)
Application Number:
PCT/JP2023/004880
Publication Date:
September 21, 2023
Filing Date:
February 14, 2023
Export Citation:
Assignee:
SONY GROUP CORP (JP)
International Classes:
G06V40/40; A61B5/1171
Domestic Patent References:
| WO2009110323A1 | 2009-09-11 | |||
| WO2021074032A1 | 2021-04-22 |
Foreign References:
| JP2018173731A | 2018-11-08 | |||
| JP2021009609A | 2021-01-28 | |||
| JP2021131737A | 2021-09-09 | |||
| JP2007241402A | 2007-09-20 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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