Select two of the following edge detection methods and apply them to four of the Homework 2 images.

If you choose Sobel edge detector, you are required to compare the performances of this operator with or without Gaussian prefiltering.                                                      

For every code you write/develop during the course, following specs are REQUIRED:

        Sufficient comments for each code and each procedure,

        One hard-copy of the code, and the file itself.

PLEASE TRY YOUR CODE BEFORE DELIVERY