Features, Matching, and RANSAC

Features

How to Panorama

How close are two patches

Unique Patches

Self Difference

Self difference is still expensive

Approximate-self difference is going to help us to reduce the performance penalties

Approximate self-difference

Harris Corner Detector

We clearly found the corners, now what?

How can we transform images?

Transform

1. Translation

2. Rotation

3. Euclidean

4. Similarity: scale, translate, rotate

5. Affine: combinations of transforms

6. Projective Transform