Fig. 3
From: Texture based features for robust palmprint recognition: a comparative study

Illustration of BSIF filters with various lengths and sizes. a 5 × 5, 8 bit, b 7 × 7, 10 bit c, 17 × 17, 12 bit learned from natural images
From: Texture based features for robust palmprint recognition: a comparative study
Illustration of BSIF filters with various lengths and sizes. a 5 × 5, 8 bit, b 7 × 7, 10 bit c, 17 × 17, 12 bit learned from natural images