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US 2011/0085734 A1Published application
Robust video retrieval utilizing video data
AssigneePixel Forensics, Inc.
InventorsJared S. Berg, Andrew E. Merlino, JR., Dean R. Doody
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Abstract
Techniques for determining if two video signals match by extracting features from a first and second video signal, and cross-correlating the features thereby providing a cross-correlation score at each of a number of time lags, and finally determining the similarity score based on both the cross-correlation scores.
Claims12
A method for determining if two video signals match, the method comprising:
- extracting features from a first video signal to provide a first feature-extracted signal;
- extracting features from a second video signal to provide a second feature-extracted signal;
- cross-correlating the first and second feature-extracted signals to provide a cross-correlation score at each of a plurality of time lags;
- and
- determining a similarity score between the first and second feature-extracted signals based on the cross-correlation scores.
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