1 ビュー (過去 30 日間)
Image Analyst 2011 年 11 月 26 日
You could use intlut() if you want to control the input and output ranges (e.g. 0-3 go to 0, 4-7 go to 1, 8 - 11 go to 2, etc. up to 255, like a posterized appearance), or you can simply divide by 4 if you want your output values to go from 0-63 (a quarter of what they were before).