Abstract
Based on the high-resolution images of Nansi Lake, the multi-scale segmentation of eCognition and the object-oriented nearest neighbor method are used for classification and visual interpretation and correction.The results show that the classification method is relatively fast, the boundary of the ground class fits natural objects, the classification parameters can be classified based on panchromatic bands, and other spectral bands and indexes can be subdivided.According to the results, the order of land area in the Nansi lake basin is irrigated land > lake region > urban land > aquaculture water surface> paddy field > unused land > navigation channel > forest land > river channel.
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