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Corner detection.

Figures 12-13 show the result of detecting corners in a closely related way, by detecting points at which the normalized measure of corner strength assumes a simultaneous local maximum over space and scale. Note in figure 13 that a coarse scale response is obtained for the large size corner structure as a whole, whereas finer-scale responses are obtained for the superimposed corner structures of smaller spatial extent.

  
Figure 12: Results of corner detection with automatic scale selection on an office scene (200 strongest junction responses).

  
Figure 13: Three-dimensional view of corners detected from a synthetic image with corner structures of different spatial extent.