Image filtering

Image filtering

Reading

What is an image?

Images as functions

Images as functions

What is a digital image?

Filtering noise

Mean filtering

Slide 10

Mean filtering

Cross-correlation filtering

Mean kernel

Mean vs. Gaussian filtering

Gaussian filtering

Image gradient

Image gradient

Scale space (Witkin 83)

Scale space:  insights

Slide 20

Slide 21

Convolution

Continuous Filters