Research Article

Noncontact Palm Vein ROI Extraction Based on Improved Lightweight HRnet in Complex Backgrounds

Table 4

Performance comparison of several target detection algorithms.

AlgorithmImage sizeParams (M)AccuracySpeed (s)

VGG16512 × 51249.279.46%0.5
Resnet-18512 × 51242.778.64%0.23
Resnet-50512 × 51290.296.75%0.7
HRnet512 × 51210998.87%1.3
Proposed512 × 5120.4597.36%0.0029