More on image transforms

Assignment

Image operations:
Point op v.s. Transforms

Image transforms

Vector spaces

Basis (of a vector space)

Vector spaces
Important properties from lin alg

Finding local image properties:

Roberts basis in matlab

Better way to implement:
Use matrix algebra!

Standard basis

Frei-Chen basis

Frei-Chen example:

Sine function

Adding sines

Slide 16

Analyzing an image

Manmade object images:

Cropping in Fourier space

Slide 20