Edge Detection Techniques - Prewitt, Sobel, Marr-Hildreth, and Canny - Lecture 4
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Overview
Syllabus
Intro
Edge detection - recap
Edge detection - fewer steps
Prewitt and Sobel Edge Detector
Derivative Masks
Image derivative
Prewitt Edge Detector
Sobel vs Prewitt
Second derivate
Marr Hildreth Edge Detector
Finding Zero Crossings
LOG Filter
On the Separability of LOG
Algorithm
Example
Canny Edge Detector
Gradient Orientation
Hysteresis Thresholding [L, H]
Final Canny Edges
Effect of Gaussian Kernel (smoothing)
Edge Detection with Deep Learning
Taught by
UCF CRCV