Change detection thresholds for remotely sensed images

被引：7

作者：

Rogerson P.A. ^{[1
]}

机构：

[1] Department of Geography, University at Buffalo, Wilkeson Hall, Buffalo

来源：

Journal of Geographical Systems | 2002年 / 4卷 / 1期

关键词：

Change detection; Random images; Spatial autocorrelation; Thresholds;

D O I：

10.1007/s101090100076

中图分类号：

学科分类号：

摘要：

The detection of change in remotely sensed images is often carried out by designating a threshold to distinguish between areas of change and areas of no change. The choice of threshold is often arbitrary however. The purpose of this paper is to offer a statistical framework for the selection of thresholds. The framework accounts for the facts that one carries out multiple tests of the null hypothesis of no change, when searching for regions of change over an image with a large number of pixels. Special attention is given to global spatial autocorrelation, which can affect the selection of appropriate threshold values. © Springer-Verlag 2002.

引用

页码：85 / 97

页数：12

共 31 条

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