1. A system, comprising: a memory storing computer executable components; and a processor configured to execute the following computer executable components stored in the memory: a hashing component configured to compute respective hash values for a set of object windows that are associated with an image to be scanned; and a filter selection component configured to compare the respective hash values of object windows in the set of object windows against a hash table of object filters, and as a function of the comparison to select at least one object filter for recognizing or localizing at least one of an object or a feature within the image.