Image analysis – Color image processing – Pattern recognition or classification using color
Patent
1997-07-01
2000-01-25
Johns, Andrew W.
Image analysis
Color image processing
Pattern recognition or classification using color
382209, 382224, G06K 962
Patent
active
060185872
ABSTRACT:
A method for remote scenes classification comprising the steps of (a) preparing a reference template for classification of the remote scenes via (i) classifying a set of reference scenes via a conventional classification technique for obtaining a set of preclassified reference scenes; (ii) using a first spectral imager for measuring a spectral cube of the preclassified reference scenes; (iii) employing a principal component analysis for extracting the spectral cube for decorrelated spectral data characterizing the reference scenes; and (vi) using at least a part of the decorrelated spectral data for the preparation of the reference template for remote scenes classification; (b) using a second spectral imager for measuring a spectral cube of analyzed remote scenes, such that a spectrum of each pixel in the remote scenes is obtained; (c) employing a decorrelation statistical method for extracting decorrelated spectral data characterizing the pixels; and (d) comparing at least a part of the decorrelated spectral data extracted from the pixels of the remote scenes with the reference template.
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Applied Spectral Imaging Ltd.
Friedman Mark M.
Johns Andrew W.
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