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以黄河三角洲为例 ,利用CBERS - 1卫星图像数据 ,在深入分析盐碱地光谱信息和空间信息的基础上 ,借助于人脑在分析图像时所加入的各方面知识 ,在GIS支持下自动提取出盐碱地专题信息
Taking the Yellow River Delta as an example, the CBERS - 1 satellite imagery was used to analyze the spectral information and spatial information of saline - alkali soil. Based on the human brain ’s knowledge of all aspects of image analysis, Thematic information