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A method and system for identifying a person using their finger-joint print

Summary

A method for identifying a person using their finger-joint print including the outer skin around the proximal interphalangeal joint of a finger, the method comprising: capturing (10) an image of the finger-joint print of the person; extracting (12) a region of interest (ROI) based on a local convexity property of the finger-joint print; extracting (13) features representing the orientation of the lines in a finger-joint print image from the ROI using an extended Gabor phase coding scheme and the extracted features are represented in competitive code maps; wherein angular distance between the competitive code maps is compared (14) with a reference set in a database to identify the person.

Supplementary Information

Patent Number: US8208692B2
Application Number: US2009354537A
Inventor: Zhang, Lei | Zhang, Lin | Zhu, Hailong | Zhang, David | Luo, Nan
Priority Date: 15 Jan 2009
Priority Number: US8208692B2
Application Date: 15 Jan 2009
Publication Date: 26 Jun 2012
IPC Current: G06K000900
US Class: 382115 | 382118 | 382125 | 382195
Assignee Applicant: The Hong Kong Polytechnic University
Title: Method and system for identifying a person using their finger-joint print
Usefulness: Method and system for identifying a person using their finger-joint print
Summary: Method for identifying person such as labor worker and elderly people using finger-joint print for personal identification used in physical access control, computer security and law enforcement.
Novelty: Method for identifying person e.g. labor worker using finger-joint print for personal identification used in e.g. computer security, involves extracting features representing orientation of lines in image from region of interest image

Industry

ICT/Telecom

Sub Group

Image Processing

Others

ZHANG Lei
ZHANG Lin
ZHU Hailong
ZHANG David
LUO Nan

Country/Region

USA

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