【摘要】 为选择农用地分类中OLI影像合成最佳波段,选取鹤岗市Landsat 8_OLI遥感影像为研究对象,首先对各波段的光谱特征信息进行统计分析;其次采用最佳指数法(OIF)初步筛选出光谱信息较丰富的波段组合;最后结合农用地分类中主要地物类型在各波段中呈现光谱特征曲线,对适用于该领域的最佳波段组合进行研究。研究表明,通过最佳指数筛选出的波段组合,结合主要地物的光谱特征信息,能够客观有效地确定OLI影像中最佳波段组合是Band 456,其研究结果可用于农用地利用信息的目译及计算机分类识别。更多还原

【Abstract】 Based on the selection of the optimal band for the synthesis of OLI images in the classification of agricultural land, the Landsat 8_OLI remote sensing image of Hegang City was selected as the research object. Firstly, the spectral feature information of each band was counted and analyzed. Secondly, the optimal index method(OIF) was used to screen out the spectral combination with rich spectral information. Finally, the optimal band combination suitable for this field was studied by combining the main feature types in agricultural land classification to present spectral characteristic curves in each band. The results showed that the optimal band combination of OLI images could be determined objectively and effectively by using the band combination selected by the optimal index, combined with the spectral characteristic information of the main features, which can be used for the translation of agricultural land use information and computer classification and identification.更多还原