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A new algorithm for decomposition of mixed pixels based on orthogonal bases of data space is proposed in this paper. It extracts endmembers sequentially by adding a new vertex of the simplex with the maximum volume every time. It can avoid the dilemma in traditional simplex-based endmember extraction algorithms such as N-FINDR that it generally produces different sets of final endmembers if different...
The simplex-based methods are a kind of the most important and widely used methods for the decomposition of mixed pixels in multispectral and hyperspectral remote sensing images, which need a strong basic hypothesis that there is at least one pure pixel for every endmember existing in the images. N- FINDR is of typical sense in this kind of methods, and it also needs this basic hypothesis. Unfortunately,...
How to decompose mixed pixels effectively and precisely for remote sensing images is a critical issue for the quantitative remote sensing research. In this paper we propose a new method for decomposition of mixed pixels of multispectral or hyperspectral remote sensing images. The proposed method introduces the algorithm of Bayesian Self-Organizing Map (BSOM) into the problem of the decomposition of...
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