Systems and Methods Facilitating Communication with Remote Computers

摘要

A variety of systems and embodiments are disclosed. One embodiment provides a method including: maintaining a database including a plurality of records stored therein; obtaining first information derived from image or video data, the first information being derived remotely relative to performance of said method, the first information comprising a reduced-bit representation of the image or video data itself; determining whether the first information has been previously received with reference to at least the plurality of records stored in the database; and disregarding a request or action associated with the first information if the first information has been previously received. Of course, other combinations are provided and claimed as well.