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Hyperspectral imaging using notions from type-2 fuzzy sets
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DOI：10.1007/s00500-018-3208-8.png)
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Abstract
En 中文
Fuzzy set theory has developed a prolific armamentarium of mathematical tools for each of the topics that has fallen within its scope. One of such topics is data comparison, for which a range of operators has been presented in the past. These operators can be used within the fuzzy set theory, but can also be ported to other scenarios in which data are provided in various representations. In this work, we elaborate on notions for type-2 fuzzy sets, specifically for the comparison of type-2 fuzzy membership degrees, to create function comparison operators. We further apply these operators to hyperspectral imaging, in which pixelwise data are provided as functions over a certain energy spectra. The performance of the functional comparison operators is put to the test in the context of in-laboratory hyperspectral image segmentation.
Keywords:
Hyperspectral imaging
Function-valued arithmetics
Theory of comparison
Type-2 fuzzy set
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