Method for extracting stable spectrum characteristics of solid matter
An extraction method and technology of solid matter, applied in the field of target recognition, can solve problems such as natural ground object changes and spectrum changes, and achieve the effect of strong anti-noise ability
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[0037] The invariant feature of the present invention refers to the unique spectral feature related to the target that can be acquired under the condition of multi-spectral and hyper-spectral detection sensors, and the spectral feature remains unchanged under different environmental conditions.
[0038] The preliminary work of spectrum-based target recognition and detection is to establish a spectrum-based database from the spectrum data of the target. Among them, there are several sources of spectral data: 1. Public spectral databases, such as the 0.2-3.0 μm USGS spectral database established by the US Geological Survey USGS for remote sensing exploration of mineral resources; The 0.4-25 μm ASTER spectral database established by ground objects and artificial targets, etc. 2. Experimental equipment collects data, such as infrared spectrum data collected by infrared Fourier spectrometer.
[0039] The processing flow of the present invention is as image 3 As shown, specifical...
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