For such cases, several different ACEs are available. If you try to set a invalid permission combination on the checkboxes, the inherited Access Control Entry editor is shown where you can configure the regarding ACE in detail. Please note that the propagation could be blocked somewhere in the subtree ttrial an object..
Hkrainian extracted, local extrema are quadratically interpolated this is very important especially at the lower resolution scales in order to have accurate keypoint localization at the full resolution. Finally, they are filtered to eliminate low-contrast responses or responses close to edges and the orientation s are assigned, as explained next.
Peaks which are too short may have been generated by noise and are discarded.