A method of the region of interest extraction based on orientation entropy - Bo Zhang; Shaole Zhang; Jie Zhang; Xiaojun Jing (2011 4th IEEE International Conference on Broadband Network and Multimedia Technology, 2011)
Keywords: Dispersion; Entropy; Fingerprint recognition; Image edge detection; Image matching; incomplete fingerprint; Indexes; orientation entropy; Poincare Index; reference point; ROI; Smoothing methods