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基于神经网络的SPOT数据模拟真彩色非线性方法研究
Authors
朱长明
杨辽
+3 more
沈占锋
沈金祥
骆剑承
Publication date
1 January 2009
Publisher
Abstract
在总结现有真彩色模拟方法的基础上,提出了一种基于神经网络非线性逼近机制的真彩色模拟方法。该方法充分利用神经网络强大的学习能力,建立波段之间复杂的非线性映射关系。在具体实现上,首先通过对具有真彩色波段TM/ETM+数据的学习训练,得到各个网络节点的权重参数;然后将该组权重参数应用到SPOT影像,模拟出蓝光波段,实现SPOT真彩色合成。在新疆伊犁地区林地调查应用结果表明,非线性方法要明显优于传统的真彩色模拟方法
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016