SIFT Based Vein Recognition Models: Analysis and Improvement

Figure 13

Trend change of keypoints and EER in respect to different CEs. CEs number 1 : 19 represents original, IN, GLS, CS, GC08, LS, UM, HBF, HF, INE, HE, AHE, CLAHE, IHE, DHE, RASF, HHE, and HEHBF, respectively.