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Krisch Compass Mask

Kirsch 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:

  • North
  • North West
  • West
  • South West
  • South
  • South East
  • East
  • North East

Standard size is taken and then it is rotated in all directions.

Krisch Compass Mask

Following is a mask which is in north direction and the rotated:

North

Krisch Compass Mask

North West

Krisch Compass Mask

West

Krisch Compass Mask

South West

Krisch Compass Mask

South

Krisch Compass Mask

South East

Krisch Compass Mask

East

Krisch Compass Mask

North East

Krisch Compass Mask

Example of Kirsch compass mask applied to an image

Original image

Krisch Compass Mask

The maximum gradient in the 8 directions

Krisch Compass Mask

North

Krisch Compass Mask

North West

Krisch Compass Mask

West

Krisch Compass Mask

South West

Krisch Compass Mask

South

Krisch Compass Mask

South East

Krisch Compass Mask

East

Krisch Compass Mask

North East

Krisch Compass Mask




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