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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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空间遥感图像的植被信息的提取与表达
DOI: 10.6046/gtzyyg.1989.01.11
Abstract:
在本文中讨论了气象卫星NOAA的AVHRR数字图像及陆地卫星TM数字图像植被信息表达的问题。对于AVHRR数字图像可以通过定义绿度的方法,找到方便而简洁的植被类型空间分布的彩色表达子集。TM数字图像的各波段植被信息丰富,缨帽变换可以有效地集中这些植被信息,使用该变换的前三个组份能重构出植被的空间分布。对于有严重阴影的山区,可考虑先行比值变换,再做缨帽变换来提取植被分布的信息。
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