CET Grid analysis

QuentinMarcANABAFOTZ

Hello everyone
Please I want to use CET grid analysis to extract edges. However on "Phase congruency " step I Will like to know whether it is better to choose specific orientation angles before overlaying each orientations on a single map than choosing "all angles". The results from " All angles " seem to be fewer than the ones obtained individually
Thank you in advance

BeckyBodger

Hi @QUENTINMARCANABAFOTZ, I'm not an expert with the CET Grid Analysis extension, but I'm pretty sure this is related to the congruency robustness which by default is set to 5. If you change this to 1 for all angles, you will see more results, but still not as many as running each angle individually. It looks to me like it does a better job of removing false positives when you select all angles.

QuentinMarcANABAFOTZ

Thank u