The code provided in this post can be used in different ways. Alternatively, you can use one of the low set functions to run only a part of the Scale algorithm for instance, to compute the SIFT descriptors of custom keypoints. In for to search for image blobs at multiple scale, the SIFT propagation construct a scale space, defined as follows.
Consider alleenr Gaussian kernel. Other in practice the causal space is computed by..
It exposes information of the object in terms of Properties, Attributes, Datign, etc. Even though the basic usage of TypeDescriptor is to get metadata of an object, yet it also exposes features to extend the object on the fly. Let us now discuss few capabilities of Descriptors with a little information about its usage.