1. SIFT Demo
Heather Dunlop
March 20, 2006

2. Object Recognition Lowe, CVPR Tutorial, 2003
Extract outlines with background subtraction
Lowe, CVPR Tutorial, 2003

3. Object Recognition Under Occlusion
Extract outlines with background subtraction
Lowe, CVPR Tutorial, 2003

4. Location Recognition
Lowe, CVPR Tutorial, 2003

5. Recognizing Panoramas
M. Brown and D.G. Lowe, “Recognizing Panormas,” ICCV 2003
Feature matching
SIFT features
Nearest Neighbour matching
Image matching
RANSAC for homography
Probabilistic model for verification
Bundle adjustment
Multi-band blending
kNN (k=4)
k-d tree
Approx nearest neighbours found in O(nlogn)

6. SIFT Features
Brown, ICCV 2003

7. RANSAC for Homography
Brown, ICCV 2003

8. Probabilistic Model for Verification
Brown, ICCV 2003

9. Image Matching
Brown, ICCV 2003

10. Finding the Panoramas
Brown, ICCV 2003

11. Finding the Panoramas
Brown, ICCV 2003

12. Finding the Panoramas
Brown, ICCV 2003

13. Bundle Adjustment Brown, ICCV 2003
New images initialized with rotation, focal length of best matching image
Brown, ICCV 2003

14. Multi-band Blending
Brown, ICCV 2003

15. From My Kitchen Window

16. From My Kitchen Window

17. From My Kitchen Window

18. Other Applications
Mobile robot localization
3D scene modeling