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Finger Vein Verification Based on Neighbor Pattern Coding
Wenming YANG Guoli MA Weifeng LI Qingmin LIAO
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/05/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Pattern Recognition
finger vein, structural feature, neighbor pattern coding,
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We propose a neighbor pattern coding (NPC) scheme with the aim of exploiting the structural feature fully to improve the performance of finger vein verification. First, one-pixel-wide edge is obtained to represent the direction of the binary vein pattern. Second, based on 8-neighbor pattern analysis, we design a feature-coding strategy to characterize the vein edge. Finally, the edge code flooding operation is defined to characterize all of other vein pixels according to the nearest neighbor principle. Experimental results demonstrate the effectiveness of the proposed method.