标签：color sp on bs tt nbsp c oo image
去除背景
convert cyclops.png -bordercolor white -border 1x1 -matte -fill none -fuzz 20% -draw ‘matte 0,0 floodfill‘ -shave 1x1 cyclops_flood_3.png
标签：color sp on bs tt nbsp c oo image
原文地址：http://www.cnblogs.com/keringing/p/4067000.html
