A data compression method for 3 dimensional spectral image data based on KL transforms is presented.

提出了一种基于KL -变换的三维谱象数据压缩方法。

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Then a special Vector Quantization, called Wavelet Tree Vector Quantization (WTVQ), is designed to compress the every spectral image data, and a higher compression performance is obtained.

采用特殊矢量量化编码，叫作小波树矢量量化(WTVQ)编码对每个谱象数据进行压缩，获得较高的压缩性能。

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According to the rice spectral features of hyperspectral image data acquired during the rice is growing, a hybrid decision tree classification algorithm dealing with the variety of rice is developed.

根据水稻生长期的高光谱数据的光谱特征，设计了一个混合决策树分类算法。

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