The Tsinghua Palmprint Database
This palmprint database contains 1,280 palmprint images from 80 subjects (two palms per person and eight impressions per palm) captured using a commercial palmprint scanner of Hisign. All the palmprint images are 2040×2040 pixels and 500 ppi.
More details on this dataset are available at: http://ivg.au.tsinghua.edu.cn/dataset/THUPALMLAB.php
