Edge detection: Difference between revisions

Revision as of 07:32, 30 September 2003

Revision as of 07:42, 30 September 2003

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edgesEdges are considered to be the high frequency regions of an image.

so edge detection is nothing but an high pass filtering, in the trivial case of 1-dimensional objects.

In 2-dimensions, and higher, the concept of a [[projection]] has to be considered.

See, for example, the work of [[Sobel]].