Comments on: Sharpness and Texture Analysis using Log F‑Contrast from Imaging-Resource http://www.imatest.com/2013/11/sharpness-texture-log-f-contrast-imaging-resource/ Image Quality Testing Software & Test Charts Tue, 06 Jun 2017 17:20:33 +0000 hourly 1 https://wordpress.org/?v=4.8.1