基于光谱曲线的相似性度量可以采用光谱角和光谱信息散度进行；
The spectral vector can be used to retrieval directly, and the spectral angle and spectral information divergence (SID) are (effective) in similarity measure.
基于光谱曲线的相似性度量可以采用光谱角和光谱信息散度进行；
The spectral vector can be used to retrieval directly, and the spectral angle and spectral information divergence (SID) are (effective) in similarity measure.
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