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- W1866458317 abstract "Dimensionality reduction techniques have been immensely used in hyperspectral image classification tasks and is still a topic of great interest. Feature extraction based on image fusion and recursive filtering (IFRF) is a recent work which provides a framework for classification and produces good classification accuracy. In this paper, we propose an alternative approach to this technique by employing an efficient preprocessing technique based on average interband blockwise correlation coefficient followed by a stage of dimensionality reduction. The final stages involve recursive filtering and support vector machine (SVM) classifier. Our method highlights the utilization of an automated procedure for the removal of noisy and water absorption bands. Results obtained using experimentation of the proposed method on Aviris Indian Pines database indicate that a very low number of feature dimensions provide overall accuracy around 98 %. Four different dimensionality reduction techniques (LDA, PCA, SVD, wavelet) have been employed and notable results have been obtained, especially in the case of SVD (OA = 98.81) and wavelet-based approaches (OA = 98.87)." @default.
- W1866458317 created "2016-06-24" @default.
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- W1866458317 date "2015-09-04" @default.
- W1866458317 modified "2023-10-18" @default.
- W1866458317 title "Dimensionality Reduced Recursive Filter Features for Hyperspectral Image Classification" @default.
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- W1866458317 doi "https://doi.org/10.1007/978-81-322-2523-2_54" @default.
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