Fichier:Usm-unsharp-mask.pngDescriptionUsm-unsharp-mask.png English: Unsharp mask (USM). USM applied to lower part of image. Radius:50, Amount:3, Threshold:0. Areas neighbor to dark
Fichier:Usm-unsharp-mask.jpgDescriptionUsm-unsharp-mask.jpg English: Unsharp mask (USM). USM applied to lower part of image. Radius:50, Amount:3, Threshold:0. Jpg save Quality:90%
Fichier:Unsharp masking.pngDescriptionUnsharp masking.png English: Unsharp masking Date 23 June 2013, 00:01:14 Source Own work Author Angela0130
Fichier:Vd-Unsharp 5x5.pngDescriptionVd-Unsharp 5x5.png English: Unsharp Mask using 5x5 Gaussian blur and amount 1 Date 16 December 2016 Source Own work Author MortenZdk
Fichier:The GIMP-usm exaggerated.pngDescriptionThe GIMP-usm exaggerated.png Showing an exaggerated unsharp mask filter. Source The GIMP Author This file is lacking author information. Permission