A Study of Feature Extraction Using Divergence Analysis of Texture Features

作者: W. A. Hallada , S. Cox , R. K. Boyd , B. G. Bly

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摘要: An empirical study of texture analysis for feature extraction and classification high spatial resolution remotely sensed imagery (10 meters) is presented in terms specific land cover types. The principal method examined the use gray tone dependence (SGTD). SGTD reduces levels within a moving window into two-dimensional matrix which can be interpreted as probability pairs. Haralick et al (1973) used number information theory measures to extract features from these matrices, including angular second moment (inertia), correlation, entropy, homogeneity, energy. derivation function of: (1) tones an image; (2) angle along frequency calculated; (3) size window; (4) distance between first three parameters were varied tested on 10 meter panchromatic image Maryville, Tennessee using five measures. A transformed divergence measure was determine statistical separability four categories forest, new residential, old industrial each variation parameters.

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