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1. (WO2017067264) METHOD AND DEVICE FOR REDUCING MISRECOGNITION RATE AND SMART MOBILE TERMINAL

Pub. No.:    WO/2017/067264    International Application No.:    PCT/CN2016/091867
Publication Date: Fri Apr 28 01:59:59 CEST 2017 International Filing Date: Thu Jul 28 01:59:59 CEST 2016
IPC: G06K 9/00
Applicants: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
广东欧珀移动通信有限公司
Inventors: ZHANG, Qiang
张强
WANG, Lizhong
王立中
ZHOU, Haitao
周海涛
JIANG, Kui
蒋奎
HE, Wei
贺威
Title: METHOD AND DEVICE FOR REDUCING MISRECOGNITION RATE AND SMART MOBILE TERMINAL
Abstract:
Disclosed is a method for reducing misrecognition rate. The method comprises: when no finger is detected to be pressing a fingerprint sensor, using acquired load-free image data of the fingerprint sensor as reference image data; when a finger presses the fingerprint sensor, acquiring fingerprint image data; subtracting the reference image data from the fingerprint image data to produce new fingerprint image data, and utilizing same for fingerprint recognition. The present invention also relates to a device for reducing misrecognition rate and a smart mobile terminal.