55:148 Digital Image Processing

Chapter 5, Part II
Segmentation: Edge-based segmentation


Related Reading
Sections from Chapter 5 according to the WWW Syllabus.

Chapter 5.2 Overview:


Edge-based Segmentation








Edge image thresholding




Edge relaxation









































Border tracing




























LEFT pixel if P_4(P) in Q

RIGHT pixel if P_0(P) in Q

UPPER pixel if P_2(P) in Q

LOWER pixel if P_6(P) in Q




















Border detection as graph searching









Graph Search Example






































Border detection as dynamic programming































Hough transforms




The following applet demonstrates the circular Hough Transform and was created by Mark A. Schulze http://www.markschulze.net/.

























the Hough transform does not suffer from these limitations.







 































Border detection using border location information






Region construction from borders






Last Modified: October 27, 2003

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