| http://www.w3.org/ns/prov#value | - 20130135530SYSTEMS AND METHODS FOR TRIGGERING AN OUT OF FOCUS ALERT - In order to trigger an out of focus alert when the focus level of a video frame meets a focus criteria, a method is performed including the operations of: receiving a video frame, partitioning the video frame into a plurality of blocks, calculating an array of discrete cosign transformation (DCT) coefficients for at least one of
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