赵静,黄国满,赵争

• 1:中国测绘科学研究院

摘要(Abstract)：

针对利用SAR影像单特征变化检测精度低的问题,该文提出了一种基于模糊理论的多特征融合的变化检测方法。首先计算前后时相SAR影像的灰度、梯度和纹理特征的结构相似度,然后用Sigmoid型隶属函数描述相似度阈值附近的不确定性,计算像素分别属于变化类和非变化类的隶属度,最后根据最大隶属度原则将模糊量输出为确定量,得到融合后的变化检测图。通过两组真实SAR数据实验表明:该方法明显优于传统的方法,也提高了基于单一特征变化检测结果的精度。

关键词(KeyWords)： SAR变化检测;结构相似度;模糊集理论;多特征融合

Abstract:

Keywords:

基金项目(Foundation): 四川测绘地理信息局科技支撑项目(2018Q1809)

作者(Author): 赵静,黄国满,赵争

DOI: 10.16251/j.cnki.1009-2307.2018.07.018

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