For the purpose of land use classification using, the landsat8_OLI remote sensing image in Alar city of Xinjiang were selected as the test datas, with the spectral analysis of the test data based on the optimum index factor (OIF) method has conducted the research to the Landsat8_OLI remote sensing image optimum band combination. The results showed that the Landsat8_OLI data in each band, Band5 contained the most abundant information of the features; OLI457 was the Optional Bands Combination, it had better visual effect.%为了将Landsat8_OLI遥感影像应用于土地利用分类中,以新疆维吾尔自治区阿拉尔市Land-sat8_OLI遥感影像为试验数据,在对试验数据进行光谱特征分析的基础上,采用最佳指数(OIF)法对Land-sat8_OLI遥感影像合成最佳波段组合进行了研究.结果表明,Landsat8_OLI数据各波段中,Band5包含的地物信息最丰富;Landsat8_OLI最佳波段组合为OLI457,其结果具有较好的目视效果.
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