Multiscale Region-Level VHR Image Change Detection via Sparse Change Descriptor and Robust Discriminative Dictionary Learning
Xu Y(徐元); Ding Kun; Huo Chunlei; Zhong Zisha; Li Haichang; Pan Chunhong; Xu Yuan
2015
发表期刊Scientific World Journal
期号2014页码:1-15
摘要Very high resolution (VHR) image change detection is challenging due to the low discriminative ability of change feature and the difficulty of change decision in utilizing the multilevel contextual information. Most change feature extraction techniques put emphasis on the change degree description (i.e., in what degree the changes have happened), while they ignore the change pattern description (i.e., how the changes changed), which is of equal importance in characterizing the change signatures. Moreover, the simultaneous consideration of the classification robust to the registration noise and the multiscale region-consistent fusion is often neglected in change decision. To overcome such drawbacks, in this paper, a novel VHR image change detection method is proposed based on sparse change descriptor and robust discriminative dictionary learning. Sparse change descriptor combines the change degree component and the change pattern component, which are encoded by the sparse representation error and the morphological profile feature, respectively. Robust change decision is conducted by multiscale region-consistent fusion, which is implemented by the superpixel-level cosparse representation with robust discriminative dictionary and the conditional random field model. Experimental results confirm the effectiveness of the proposed change detection technique.
关键词Change Detection
收录类别SCI
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/11689
专题模式识别国家重点实验室_先进数据分析与学习
通讯作者Xu Yuan
作者单位中国科学院自动化研究所
推荐引用方式
GB/T 7714
Xu Y,Ding Kun,Huo Chunlei,et al. Multiscale Region-Level VHR Image Change Detection via Sparse Change Descriptor and Robust Discriminative Dictionary Learning[J]. Scientific World Journal,2015(2014):1-15.
APA Xu Y.,Ding Kun.,Huo Chunlei.,Zhong Zisha.,Li Haichang.,...&Xu Yuan.(2015).Multiscale Region-Level VHR Image Change Detection via Sparse Change Descriptor and Robust Discriminative Dictionary Learning.Scientific World Journal(2014),1-15.
MLA Xu Y,et al."Multiscale Region-Level VHR Image Change Detection via Sparse Change Descriptor and Robust Discriminative Dictionary Learning".Scientific World Journal .2014(2015):1-15.
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