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CS676A: Introduction to Computer Vision
Instructor: Prof. Vinay P. Namboodiri
Mohit Singh Solanki(12419)
In this assignment we are implementing an interest point based matching algorithm. The assignment consists of
1. A interest point detection step based on Harris corner detector.
2. A interest point descriptor using 16 histograms of gradients for the 16 sub regions (4 by 4) of the patch. You
will experiment with different patch sizes in this step.
3. A matching step based on sum of squared distances (SSD) between the different interest points in the given
pair of images.
Harris corner detector
Image set 1
Figure 1: Original image 1
Figure 2: Image 1 corner points
Figure 3: Original image 2
Figure 4: Image 2 corner points
Image set 2
Figure 5: Original image 1
Figure 6: Image 1 corner points
Figure 7: Original image 2
Figure 8: Image 2 corner points
Image set 3
Figure 9: Original image 1
Figure 10: Image 1 corner points
Figure 11: Original image 2
Figure 12: Image 2 corner points
Point based match
Image set 1
Figure 13: Patch size :8x8
Figure 14: Patch size :12x12
Figure 15: Patch size :16x16
Figure 16: Patch size :20x20
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