Image analysis – Color image processing – Pattern recognition or classification using color
Reexamination Certificate
2005-09-13
2005-09-13
Johns, Andrew W. (Department: 2621)
Image analysis
Color image processing
Pattern recognition or classification using color
C382S209000
Reexamination Certificate
active
06944331
ABSTRACT:
A system and method for locating regions in a target image that match a template image with respect to color and pattern information. The template image is characterized with regard to pattern and color. The method comprises performing a first-pass search using color information from the color characterization of the template image to find one or more color match candidate locations. For each color match candidate location, a luminance, i.e., gray scale, pattern matching search is performed on a region proximal to the location, producing one or more final match regions. For each final match region a hue plane pattern match score may be calculated using pixel samples from the interior of each pattern. A final color match score may be calculated for each final match region. A weighted sum of luminance pattern match, hue pattern match, and color match scores may be calculated, and the scores and sum output.
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Lin Siming
Nair Dinesh
Schmidt Darren R.
Schultz Kevin L.
Alavi Amir
Hood Jeffery C.
Johns Andrew W.
Meyertons Hood Kivlin Kowert & Goetzel P.C.
National Instruments Corporation
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