Fig. 6
From: Introducing oriented Laplacian diffusion into a variational decomposition model

OLOSV, IOLOSV, and non-local means denoising results for fingerprint image. a OLOSV cartoon component of fingerprint. b OLOSV noise component of fingerprint. c IOLOSV cartoon component of fingerprint. d IOLOSV noise component of fingerprint. e NLM cartoon component of fingerprint. f NLM noise component of fingerprint