Orientation invariant feature detection system and method...

Details Orientation invariant feature detection system and method... Orientation invariant feature detection system and method...

2005-11-29

2005-11-29

Mehta, Bhavesh M. (Department: 2625)

Image analysis

Applications

Personnel identification

C382S162000, C382S260000, C382S308000, C348S406100, C348S407100, C348S663000, C375S240160

Reexamination Certificate

active

06970579

ABSTRACT:
A system and method for detecting features in video from business meetings and video teleconferencing systems can use color, motion, morphological (shape) filtering and a set of heuristic rules to determine possible features in the scene. One embodiment includes obtaining a first video frame of images and a second video frame of images, performing a luminance conversion on the first video frame of images and the second video frame of images, performing a motion filter operation on the converted first and second frames of images, performing a chrominance normalization on the second video frame of images, performing a color filter operation on the normalized second video frame of images, and processing the first and second frames of video images after the motion filter and color filter operations.

REFERENCES:
patent: 5949916 (1999-09-01), Chun
patent: 6421384 (2002-07-01), Chung et al.
patent: 6678009 (2004-01-01), Kahn
patent: 6681032 (2004-01-01), Bortolussi et al.

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