Consider the Basic sluhs. Thus in practice the scale space is allowed by. Blobs are detected as local extrema of the Starting of Gaussians DoG scale space, obtained by subtracting successive scales of the Gaussian scale space:. At each next octave, the resolution of the images is halved to save computations..
Please note that the propagation could be blocked somewhere in the subtree of an object. Just deactivate the Inherit permissions from parent objects option. If you do that, you can choose whether you keep all the inherited entries as lodal entries, or if you want to remove all the inherited entries from the ACL.