LINEAR MIXING AND THE ESTIMATION OF GROUND COVER PROPORTIONS
LINEAR MIXING AND THE ESTIMATION OF GROUND COVER PROPORTIONS
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DOI：
10.1080/01431169308904402
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发表时间：
1993-04-01
影响因子：
3.4
通讯作者：
DRAKE, NA
中科院分区：
文献类型：
--
作者：
SETTLE, JJ;DRAKE, NA
在本文中，我们考虑如何确定混合像元中地面覆盖成分的相对比例。我们假设通常的线性模型的信号混合，并检查了一些方法，密切相关，估计的比例。我们还展示了我们的估计精度可以定义。我们引入了一个新的估计，这是基于正则化原则，并产生一组比其他方法更平滑的图像，并给出更准确的估计。在一个模拟数据集上对这些方法进行了比较。
In this paper we consider how we may determine the relative proportions of ground cover components in a mixed pixel. We assume the usual linear model for signal mixing and examine a number of methods, closely related, for estimating the proportions. We also show how the precision of our estimates can be defined. We introduce a new estimator which is based on regularisation principles and which produces a smoother set of images than other methods, and gives more accurate estimates. The methods are compared on a simulated data set.