Method for selecting hyperspectral image bands based on extraction of all kinds of important bands
A hyperspectral image and band selection technology, applied in the fields of instruments, character and pattern recognition, computer parts, etc., can solve the problems of lower classification accuracy, more information loss, and time-consuming search process. Search efficiency, search efficiency improvement effect
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[0032] Such as figure 1 As shown, the present invention is based on the hyperspectral image band selection method extracted from various important bands, specifically comprising the following steps:
[0033] Step (1), taking the hyperspectral data of each training sample in various samples as a time series;
[0034] Step (2), using wavelet transform to smooth and denoise each time series;
[0035] Step (3), determine the important band sets of various samples by extracting the important points of each time series smoothed in step (2), wherein each important point corresponds to an important band;
[0036] Step (4), summarizing important band sets of various samples to form an initial band set;
[0037] Step (5), using the branch and bound method to select the final band combination on the basis of the initial band set.
[0038] Among them, for the hyperspectral data of each training sample in step (1) as a time series, from figure 2 , image 3 It can be seen that the sha...
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