System and method for content-based querying using video...

Details System and method for content-based querying using video... System and method for content-based querying using video...

2005-06-14

2005-06-14

Nguyen, Phu K. (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Animation

C382S190000, C382S232000, C382S305000

Reexamination Certificate

active

06906719

ABSTRACT:
A visual query system, and associated method and computer program product enhance and accelerate content-based querying, and present a new image similarity measure using known or available software applications and hardware components of video compression systems. The present system encodes images as consecutive frames in a video sequence and uses the ratio between the file length of the compressed sequence and the original file length as a distance measure. The system considers the compression ratio to be an estimate of the entropy of the combined images, which can be used to estimate the amount of new information introduced from one image to the other.

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