Slide 1Computer Vision : CISC 4/689 Corner Detection Basic idea: Find points where two edges meeti.e., high gradient in two directions Cornerness is undefined at a single…

Slide 1Feature extraction: Corners 9300 Harris Corners Pkwy, Charlotte, NC Slide 2 Why extract features? Motivation: panorama stitching We have two images – how do we combine…

Slide 1Harris Corner Detector & Scale Invariant Feature Transform (SIFT) Slide 2 Harris Corner Detector Slide 3 Harris Detector: Intuition “flat” region: no change…

Slide 1 Matching with Invariant Features Darya Frolova, Denis Simakov The Weizmann Institute of Science March 2004 Slide 2 Example: Build a Panorama M. Brown and D. G. Lowe.…

Slide 1 Invariant Features We need better features, better representations, … Find a bottle: 4 Categories Instances Find these two objects Can’t do unless you do not…

Slide 1 Invariant Features We need better features, better representations, … Find a bottle: 4 Categories Instances Find these two objects Can’t do unless you do not…