面向对象的遥感影像变化检测方法Object-based change detection method of remote sensing images
赖继文;唐健林;
摘要(Abstract)：
针对变化检测区域内变化区域与未变化区域面积比例较低时,通过常规的阈值计算无法在变化检测中确定准确的变化阈值问题,该文提出了一种带样本选择的面向对象遥感影像变化检测方法。该方法首先对多时相遥感影像进行多尺度分割获取像斑,并采用变化向量分析法计算像斑的差异度;然后,自适应选择训练样本,结合基于期望最大化算法和贝叶斯最小误差率理论的阈值计算方法,采用独立阈值法确定变化阈值;最后,利用变化阈值对差异影像进行二值分割,并获取变化检测结果。实验结果表明该文方法在变化检测精度上优于常规方法。
关键词(KeyWords)： 变化检测;像斑;变化向量分析法;样本选择;期望最大化法
基金项目(Foundation): 湖南省地质测绘院基础测绘项目(201601)
作者(Author): 赖继文;唐健林;
Email:
DOI: 10.16251/j.cnki.1009-2307.2017.08.021
参考文献(References)：
- [1]李德仁,睦海刚,单杰.论地理国情监测的技术支撑[J].武汉大学学报(信息科学版),2012,37(5):506-512.(LI Deren,MU Haigang,SHAN Jie.Discussion on technologies of geographic national condition monitoring[J].Geomatics and Information Science of Wuhan University,2012,37(5):506-512.)
- [2]张路.基于多元统计分析的遥感影像变化检测方法研究[D].武汉:武汉大学,2004.(ZHANG Lu.Change detection in remotely sensed imagery using multivariate statistical analysis[D].Wuhan:Wuhan University,2004.)
- [3]佃袁勇,方圣辉,姚崇怀.一种面向地理对象的遥感影像变化检测方法[J].武汉大学学报(信息科学版),2014,39(8):906-912.(DIAN Yuanyong,FANG Shenghui,YAO Chonghuai.The geographic object-based method for change detection with remote sensing imagery[J].Geomatics and Information Science of Wuhan University,2014,39(8):906-912.)
- [4]李亮,龚龑,李雪,等.像斑直方图相似性测度的高分辨率遥感影像变化检测[J].遥感学报,2014,18(1):139-153.(LI Liang,GONG Yan,LI Xue,et al.Change detection based on similarity measurement of object histogram using high-resolution remote sensing imagery[J].Journal of Remote Sensing,2014,18(1):139-153.)
- [5]BROZZONE L,PRIETO D F.Automatic analysis of the difference image for unsupervised change detection[J].IEEE Transaction on Geoscience and Remote Sensing,2000,38(3):1171-1182
- [6]盛辉,廖明生,张路.基于典型相关分析的变化检测中变化阈值的确定[J].遥感学报,2004,8(5):451-457.(SHENG Hui,LIAO Mingsheng,ZHANG Lu.Determination of threshold in change detection based on canonical correlation analysis[J].Journal of Remote Sensing,2004,8(5):451-457.)
- [7]ROSIN P L.Thresholding for change detection[J].Computer Vision and Image Understanding,2002,86(2):79-95.
- [8]HAVERKAMP D,TSATSOULIS C.Information fusion for estimation of summer MIZ ice concentration form SAR imagery[J].IEEE Transactions on Geoscience Remote Sensing,1999,37(3):1278-1294.
- [9]BAZI Y,BRUZZONE L,MELGANI F.Image thresholding based on the EM algorithm and the generalized Gaussian distribution[J].Pattern Recognition,2007,40(2):619-634.
- [10]RADKE R J,ANDRA S,AL-KOFAHI O,et al.Image change detection algorithms:a systematic survey[J].IEEE Trans on Image Process,2005,14(3):294-307.