Edge detection——(pure version)

learning target

Understand the principles of edge detection

Understand applicable scenarios of various operators

Can be reproduced accurately in python code

1. Principle of edge detection

1. Principle of edge detection

2. General standards for edge detection

3. General classification of edge detection

2. Implementation of various basic edge operator principles (general)

1. Roberts operator

2. Prewitt operator

3. Sobel operator and Scharr operator

4. Laplacian operator

3. Implementation process and principle of canny operator (important)

1. Brief description

2. Implementation steps

3. Function and purpose of steps

Summarize