Fourier Transform - Notes from DIP(3nd editioin)

1 : Low frequencies in the Fourier transform(frequency domain) are related to slowly varying intensity components in an image, such as the walls of a room or a cloudless sky in an outdoor scene.


2 : High frequencies are caused by sharp transitions in intensity, such as edges and noise.

posted @ 2014-09-27 22:41  DeepVL  阅读(108)  评论(0)  编辑  收藏  举报