| http://www.w3.org/ns/prov#value | - To this end, the user interface 28 may merely be a selector button which the user can effectively actuate when enhancement is to be achieved, and/or in the case of an audio visual media may include a location indicator such as a pointer or marker which may be visible on a corresponding video monitor, the pointer/marker allowing a user to specifically select a location on a frame or in a scene for
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