Compared with the classification method purely based on spectral character, this method can improve the classification accuracy and refineobject classes in some extent.
与单纯基于光谱特征的分类方法进行比较，该方法在一定程度上改善了分类精度，细化了地物类别。
2
For now, an object is the same thing as a value, but we will refine that definition later (Section 10.10).