DIP Lecture 12: Thresholding

ECSE-4540 Intro to Digital Image Processing Rich Radke, Rensselaer Polytechnic Institute Lecture 12: Thresholding (3/16/15) 0:00:24 Thresholding 0:00:47 Relationship to segmentation 0:02:17 Matlab example 0:05:05 Relationship to image histogram 0:07:30 Global vs. local thresholding 0:09:22 Challenges in global thresholding 0:18:14 Global thresholding 0:19:31 Otsu's algorithm 0:29:09 Otsu examples in Matlab 0:37:22 Generalizations of Otsu 0:39:17 When Otsu fails 0:43:05 Variable/adaptive thresholding 0:44:08 Matlab's blockproc command 0:45:55 Matlab examples 0:53:39 Per-pixel thresholding 0:58:16 Color thresholding 1:01:46 Thresholding on distance from a chosen color 1:04:31 A machine learning approach Follows Sections 10.3-10.4 of the textbook (Gonzalez and Woods, 3rd ed.).