Low-rank decomposition and space spectrum constraint-based hyperspectral image time domain change feature extraction method
A hyperspectral image, low-rank decomposition technology, applied in the field of hyperspectral image time-varying feature extraction, can solve the problem of not fully utilizing spatial features or spatial spectral characteristics, unable to effectively suppress false changes in noise, only considering spectral information of hyperspectral images, etc. question
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[0069] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes and modifications to the present invention, these etc. Valence forms also fall within the scope defined by the appended claims of the application.
[0070] Embodiments of the present invention relate to a method for extracting time-varying features of hyperspectral images based on low-rank decomposition and spatial spectrum constraints. The algorithm includes the following steps: calculating difference images of time-varying hyperspectral remote sensing images collected at the same place at different times; A low-rank matrix factorization model with space-spectrum constraint...
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