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CV2017 1 Local Image Features

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13 Mar 2017

1. Local Image Features

1. Basic Flow:

2. Local feature corrrespondences:

3. Invariant local feature:

4. Corner detector

“A combined corner and edge detector”: C.Harris, M.Stephens, 1988.

Basic idea

5. Feature Matching

Feature space outlier rejection:

Least squares fit

find average translation vector.

6. RANSAC algorithm for estimating


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