You are viewing the course site for a past offering of this course. The current offering may be found here.
Lecture 3: Sampling, Aliasing, Antialiasing (45)
ellinzhao

This could be a basic implementation of edge detection in images, which is useful for image registration / alignment

katamarisun

Many basic high pass filters are just gradient / derivative filters, measuring local differences in x and y, which have frequency responses with 0's near the center low frequency positions. Consider looking into Laplacian filters and Sobel filters for more examples.

You must be enrolled in the course to comment