Title:
FINGERPRINT RECOGNITION APPARATUS AND FINGERPRINT RECOGNITION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/147232
Kind Code:
A1
Abstract:
A fingerprint recognition apparatus and a fingerprint recognition method. The fingerprint recognition apparatus comprises: a display device (10); a light source (115) arranged below the display device (110); a sensor (120) arranged below the display device (110); and a processing module (130) coupled to the sensor (120). When an object touches the display device (110), the light source (115) emits structured light to scan the object. The sensor (120) acquires one or multiple images of the object, the one or multiple images comprising information of different phase shifts. The processing module (130) calculates three-dimensional information of the object on the basis of the one or multiple images and determines whether the object is a real human finger on the basis of the three-dimensional information.
Inventors:
YANG CHEN (CN)
LIN KUAN-YI (CN)
LIN CHIA-WEI (CN)
LIN YU-HUA (CN)
LIN KUAN-YI (CN)
LIN CHIA-WEI (CN)
LIN YU-HUA (CN)
Application Number:
PCT/CN2020/096090
Publication Date:
July 29, 2021
Filing Date:
June 15, 2020
Export Citation:
Assignee:
EGIS TECH INC (CN)
International Classes:
G06K9/00
Foreign References:
| CN109196520A | 2019-01-11 | |||
| CN110275340A | 2019-09-24 | |||
| CN109643379A | 2019-04-16 | |||
| US20140286544A1 | 2014-09-25 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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