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PATTERN CLASSIFICATION DEVICE, IMAGE AREA DIVIDING DEVICE, METHOD OF CLASSIFYING PATTERN, AND METHOD OF DIVIDING IMAGE AREA
PATTERN CLASSIFICATION DEVICE, IMAGE AREA DIVIDING DEVICE, METHOD OF CLASSIFYING PATTERN, AND METHOD OF DIVIDING IMAGE AREA
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机译:模式分类装置,图像区域划分装置,模式分类方法以及图像区域划分方法
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摘要
PROBLEM TO BE SOLVED: To provide a pattern classification device capable of continuing correct calculations even if the status values of pixels belonging to a certain area are distributed in such a way as to concentrate at one point, with regard to a classification problem using a test of hypothesis.;SOLUTION: The pattern classification device includes a conversion device for converting multimedia data into d-dimensional vectors (prototypes), a storage device for storing the d-dimensional prototypes, a dividing device for dividing, according to an assembly of N d-dimensional prototypes stored in the storage device, the assembly of prototypes into a plurality of classes, and a class parameter calculation device for calculating the average vectors and covariance matrices of the classes provided by the dividing device. The pattern classification device specifies the class of one d-dimensional test vector using the class parameter provided by the class parameter calculating means. The class parameter calculation device is provided with a means for calculating the lower limit of the covariance matrices.;COPYRIGHT: (C)2003,JPO
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