The image of Nanchuan in 2000 was interpreted using a multi-extracting method combining supervised classification with non-supervised classification.

利用监督分类和非监督分类相结合的分层提取分类方法对南川市2000年遥感影像进行解译。

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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。

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