Method and system for searching and verifying magnitude...

Details Method and system for searching and verifying magnitude... Method and system for searching and verifying magnitude...

2005-01-25

2009-06-30

Lee, Y. (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C348S143000, C348S700000

Reexamination Certificate

active

07555046

ABSTRACT:
A method for detecting events in a video sequence includes providing a video sequence, sampling the video sequence at regular intervals to form a series of snapshots of the sequence, measuring a similarity of each snapshot, measuring a similarity change between successive pairs of snapshots, wherein if a similarity change magnitude is greater than a predetermined threshold, a change event has been detected, verifying the change event to exclude a false positive, and completing the processing of the snapshot incorporating the verified change event.

REFERENCES:
patent: 2004/0080615 (2004-04-01), Klein et al.
patent: 2005/0078222 (2005-04-01), Liu et al.

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