A hyperspectral image classification method for multi-feature class sub-dictionary learning
A hyperspectral image and dictionary learning technology, which is applied in the field of hyperspectral image classification with multi-feature class sub-dictionary learning, and can solve the problems of different spectra of the same object and foreign objects of the same spectrum.
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[0044] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0045] Such as figure 1 As shown, the present invention provides a hyperspectral image classification method for multi-feature class sub-dictionary learning, comprising the following steps:
[0046] Step 1, extract spectrum, gradient, texture, and shape characteristic data of the hyperspectral image to be classified: use the existing technology to extract various characteristic information of the hyperspectrum, obtain sample data of different feature spaces, and pave the way for step 3. A variety of feature information is correlated and complementary, which provides more effective information for the correct classification of hyperspectral images, and further improves the classification accuracy.
[0047]Step 2, use the MFKCSDL (Multifeature Kernel Class Sub-dictionary Learning) model to learn the corresponding class sub-dictionary for eac...
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