The accuracy of land vegetative cover index rested with the accuracy of image classification, but had no direct relations with total classification accuracy.

土地植被覆盖指数的准确度取决于图像分类准确度，但与分类总准确度没有直接关系。

youdao

While for terrace extraction, supervised classification has better result than unsupervised classification. The difference of total accuracy between two methods based on IKONOS image is more than 12%.

而对于IKONOS影像梯田提取，两种分类结果精度相差12%以上，监督分类结果明显优于非监督分类结果。

youdao

While for terrace extraction, supervised classification has better result than unsupervised classification. The difference of total accuracy between two methods based on IKONOS image is more than 12%.

而对于IKONOS影像梯田提取，两种分类结果精度相差12%以上，监督分类结果明显优于非监督分类结果。

youdao