Sharpen the Image • What is this? • It makes the image look crisper and the edges in the image more distinct. • When do I do this? • Whenever you want to emphasize texture or draw the viewers focus. • How do I use this? • Most image sharpening software tools work by applying something called an “unsharpmark”, which despite its name, actually sharpen an image. • Illustrate in GIMP • http://youtu.be/JQUDCX8N_rg • What do all of the options do? • You can sharpen the whole image or certain sections of the image.