The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2013
Filed:
Jun. 16, 2009
David Zhang, Hong Kong, HK;
Qijun Zhao, Hong Kong, HK;
Nan Luo, Hong Kong, HK;
Guangming LU, Hong Kong, HK;
David Zhang, Hong Kong, HK;
Qijun Zhao, Hong Kong, HK;
Nan Luo, Hong Kong, HK;
Guangming Lu, Hong Kong, HK;
The Hong Kong Polytechnic University, Hung Hom, Kowloon, HK;
Abstract
A method for partial fingerprint recognition, the method comprising the steps of extracting features including ridge orientations, valley images, minutiae, and pores from at least two fingerprint fragments, aligning the fingerprint fragments, matching the pores and minutiae on the fingerprint fragments after applying estimated alignment transformation, calculating a final matching score based on a pore matching score and a minutiae matching score, identifying a person based on a result of the final matching score.