'Scale invariant keypoints' presentation slideshows

Representation, Description and Matching

Representation, Description and Matching. CS485/685 Computer Vision Dr. George Bebis. Matching. Given covariant region descriptors, what information should we use for matching corresponding regions in different images?. ?. Simplest approach: correlation.

813 views • 81 slides

Object Recognition

Object Recognition. So what does object recognition involve?. Verification: is that a bus?. Detection: are there cars?. Identification: is that a picture of Mao?. Object categorization. sky. building. flag. face. banner. wall. street lamp. bus. bus. cars.

1.42k views • 48 slides

Interest Points II

413 views • 41 slides

SIFT keypoint detection

SIFT keypoint detection. D. Lowe, Distinctive image features from scale-invariant keypoints , IJCV 60 (2), pp. 91-110, 2004. Keypoint detection with scale selection. We want to extract keypoints with characteristic scales that are covariant w.r.t . the image transformation.

449 views • 40 slides