Ajay Kumar, Senior Member, IEEE, and K. Venkata Prathyusha

Personal Authentication Personal Authentication Using Hand Vein Using Hand Vein TriangulationTriangulation

And Knuckle ShapeAnd Knuckle Shape

I. Introduction

Vein System - cephalic

- basilic

Knuckle Shape

I. Introduction

Prior Work - infrared camera Proposed System

II. Image Acquisition Infrared

Camera

Hand Vein Image

III. Extraction Of Knuckle Tips

Gray Level for Dorsal Vein

Otsu's thresholding

IV. Extraction Of Region Of Interest

Using Ki,Km,Kr find retation matrix

V. Extraction Of Vein Structure

Extraction Hand Vein Processing

Laplacian Of Gaussian

VI. Extraction of Vein Brifurcation And Vein Ending Using R(m) To Find Vein Ending Or

Vein Brifurcation

if val(m) = 1 and R(m) = 2 is vein ending if val(m) = 1 and R(m) >= 6 is vein

brifurcation

VII. Feature Extraction Using Minutiae Triangulation

Find Three Point

Triplet Table

Matched conditions

VIII. Score Assignment Using Mached Triplet

Score (Sc)

Using Euclidean Distance

Find Score (Sg)

Total Score is 0.8 * Sc + 0.2 * Sg

IX. Experiment Result

(a)Acquired Hand Image(b)Binarized Image(c)Hand Contour(d)Normalized Image(e)Extracted Region Of Interest(f)Extracted Hand Vein Topology

IX. Experiment Result

IX. Experiment Result

IX. Experiment Result

Generalized Extreme ValueDistribution

IX. Experiment Result

X. Discussion

Enfluence Element

Choice Threshold Tm