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.).
