Krisch Compass MaskKirsch compass mask is used for finding edges. It is almost the same as Robinson compass mask. It also has 8 direction compass. The main difference between Robinson and kirsch compass masks is that in kirsch we can change the mask according to the requirements. Following are its eight orientations:
Standard size is taken and then it is rotated in all directions. Following is a mask which is in north direction and the rotated: North North West West South West South South East East North East Example of Kirsch compass mask applied to an image Original image The maximum gradient in the 8 directions North North West West South West South South East East North East
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