Encoding Coefficient Similarity-Based Multifeature Sparse Representation for Finger Vein Recognition

Algorithm 1

SMSR optimization process.

: Feature matrix of testing images, feature matrix of training images

: Coefficient matrix

1. Initialize: , , , , ,

2. to 200

3. Fix other variables and update as Equation (5)

4. Fix other variables and update as Equation (9)

5. Fix other variables and update as Equation (10)

6. If or break

7. Else update

8.