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基于核函数度量相似性的遥感影像变化检测 被引量:4

A Kernel-based Similarity Measures for Change Detection in RS Images
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摘要 提出了一种基于核函数度量相似性的遥感影像变化检测算法。该算法通过比较两个时相特征向量的概率密度进行变化判别,将概率密度的比较转化成核函数的形式,利用核函数的相似度量功能进行变化判别,通过指定的核函数避开概率密度的估计,达到概率密度比较的目的。 A kernel-based change detection approach in remote sensing images is presented. This algorithm detects change by comparing the probability density (PD) of the feature vector of bi-temporal images. The PD comparison is expressed as kernel functions; and change is detected using a kernel-based similarity measuring. PD is compared by defined kernel functions without PD estimation.
出处 《武汉大学学报(信息科学版)》 EI CSCD 北大核心 2009年第1期19-23,共5页 Geomatics and Information Science of Wuhan University
基金 国家973计划资助项目(2006CB701300) 国家自然科学基金资助项目(60602013和40523005)
关键词 变化检测 核函数 相似度量 概率密度 change detection kernel function similarity measure probability density
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参考文献8

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