Images and
Transformations
Reading
What is an image?
Images as functions
What is a digital image?
Image transformations
Image processing
Linear image transforms
Linear image transforms
Linear image transforms
Linear image transforms
Linear shift-invariant
filters
2D linear transforms
2D filtering
Noise
Mean filtering
Slide 17
Mean filtering
Effect of mean filters
Mean kernel
Gaussian Filtering
Mean vs. Gaussian
filtering
Convolution
Convolution theorems
2D convolution theorem
example
Median filters
Comparison: salt and
pepper noise
Comparison: Gaussian
noise