Pattern classification method and apparatus thereof, and computer readable storage medium
First Claim
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1. A computer-implemented pattern classification method comprising:
- extracting a quantity of pattern characteristics from a pattern classification target;
registering and setting classification category information corresponding to said quantity of pattern characteristics in a pattern dictionary;
correcting a Mahalanobis dictionary by optimizing said pattern dictionary based on said classification category information and said quantity of pattern characteristics stored in said pattern dictionary; and
performing pattern classification based on said quantity of pattern characteristics and said corrected Mahalanobis dictionary registered in said pattern dictionary.
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Abstract
A pattern classification method extracts a quantity of pattern characteristics from a pattern classification target, registers/sets in a pattern dictionary classification category information corresponding to the quantity of pattern characteristics, performs pattern classification based on the quantity of pattern characteristics and a Mahalanobis dictionary registered in the pattern dictionary, and creates the Mahalanobis dictionary by effecting optimization processing of the pattern dictionary based on the classification category name and the quantity of pattern characteristics.
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Citations
9 Claims
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1. A computer-implemented pattern classification method comprising:
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extracting a quantity of pattern characteristics from a pattern classification target;
registering and setting classification category information corresponding to said quantity of pattern characteristics in a pattern dictionary;
correcting a Mahalanobis dictionary by optimizing said pattern dictionary based on said classification category information and said quantity of pattern characteristics stored in said pattern dictionary; and
performing pattern classification based on said quantity of pattern characteristics and said corrected Mahalanobis dictionary registered in said pattern dictionary. - View Dependent Claims (2)
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3. A pattern classification apparatus comprising:
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a pattern dictionary which stores a quantity of pattern characteristics extracted from a pattern classification target and classification category information corresponding to said quantity of pattern characteristics;
pattern dictionary optimizing means for correcting a Mahalanobis dictionary by optimizing said pattern dictionary based on said classification category information and said quantity of pattern charactaristics stored in said pattern dictionary; and
means for performing pattern classification based on said quantity of pattern characteristics and said corrected Mahalanobis dictionary registered in said pattern dictionary. - View Dependent Claims (6)
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4. A pattern classification apparatus comprising:
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pattern fetching means for fetching a pattern classification target;
pattern area extracting means for extracting a specific pattern area from said pattern classification target supplied from said pattern fetching means;
classification characteristic quantity extracting means for calculating a quantity of pattern characteristics useful for pattern classification from said specific pattern area supplied from said pattern area extracting means;
dictionary registering means for registering and setting in a pattern dictionary said quantity of pattern characteristics calculated by said classification characteristic quantity extracting means and classification category information corresponding to said quantity of pattern characteristics;
characteristic quantity classifying means for performing pattern classification based on said quantity of pattern characteristics calculated by said classification characteristic quantity extracting means and a Mahalanobis dictionary registered in said pattern dictionary; and
pattern dictionary optimizing means for correcting said Mahalanobis dictionary by performing optimization processing based on said classification category information and said pattern characteristic quantity stored in said pattern dictionary. - View Dependent Claims (5, 8, 9)
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7. A computer readable storage medium storing a program of a pattern classification method comprising:
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registering and setting in a pattern dictionary a quantity of pattern characteristics extracted from a pattern classification target and classification category information corresponding to said quantity of pattern characteristics;
correction a Mahalanobis dictionary by performing optimization processing based on said classification category information and said quantity of pattern characteristics stored in said pattern dictionary; and
performing pattern classification based on said optimized quantity of pattern characteristics and said corrected Mahalanobis dictionary registered in said pattern dictionary.
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Specification