Divergence, householder transformations, and information preservation

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1975

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Abstract

One of the major problems in the field of pattern recognition is the dimension of the feature space. The cost and efficiency of a classification technique depend upon the number of features. It is essential to develop a feature compressor that will transform the features into a space of lower dimension without significant loss in information. The major concentration, in this thesis, will be the development of a compression transformation matrix B. Householder Transformations will be utilized to construct a matrix B and the divergence criterion will be used to measure the effectiveness of transformation's ability to preserve information. Several preliminary theorems and definitions will provide a foundation for feature compression. Agricultural multispectral data will be used to demonstrate the utility of the procedure for various dimensions of the transformed space.

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