https://webcms3.cse.unsw.edu.au/COMP9517/20T2/resources/46792
总结:
1. Spatial Filter
1 - Smoothing Spatial Filters
1) Gaussion Filter
2 - Sharpening Spatial Filters-Edge Detection
1) Sobel Filter 一阶导数
2) Laplace Filter 二阶导数
2. Padding
o Zero: set all pixels outside the source image to 0 o Constant: set all pixels outside the source image to a specified border value
o Clamp: repeat edge pixels indefinitely o Wrap: copy pixels from opposite side of the image o Mirror: reflect pixels across the image edge
原文:https://www.cnblogs.com/ChevisZhang/p/13121971.html