Feature detection |
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Edge detection |
Corner detection |
Blob detection |
Ridge detection |
Hough transform |
Structure tensor |
Affine invariant feature detection |
Feature description |
Scale space |
In image processing, a Robinson compass mask is a type of compass mask used for edge detection. It has eight major compass orientations,[1] each will extract the edges in respect to its direction. A combined use of compass masks of different directions could detect the edges from different angles.