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A Translation And Rotation Independent Fingerprint Identification Approach, Hongyu Wang
A Translation And Rotation Independent Fingerprint Identification Approach, Hongyu Wang
Graduate Theses - Electrical and Computer Engineering
This thesis describes a new approach for fingerprint identification that will be shift and rotation independent. Detailed descriptions of directional filtering, foreground and background segmentation, feature extraction, and matching based on structural correlation are the main topics of this thesis. The fingerprint identification system consists of image preprocessing, feature extraction, and matching which run on a PC platform. The preprocessing step includes histogram equalization, block-based directional filtering, thinning, and adaptive thresholding to enhance the original images for successful feature extraction. The features extracted will be stored in the database for matching. The matching algorithm presented is a modification and improvement …