|
- 2016
选择利用Wishart和K统计描述的极化SAR图像分割
|
Abstract:
为得到极化SAR图像中不同异质程度区域的准确分割,本文提出一种选择利用Wishart和K统计描述的极化SAR图像分割方法。该方法采用分形网络演化算法思想,将简单线性迭代聚类算法生成的超像素作为初始对象;再根据区域异质度指标,选择利用Wishart分布或K分布描述对象的统计相似性;最终实现综合利用Wishart和K统计描述的极化SAR图像分形网络演化分割。通过模拟数据和真实极化数据进行实验并与其它方法相比较,结果表明,本文方法在整体上能准确分割不同异质程度的地物,在局部细节上分割结果边界更精细。
[1] | BOMBRUN L, VASILE G, GAY M, et al. Hierarchical segmentation of polarimetric SAR images using heterogeneous clutter models[J]. IEEE Transactions on Geoscience and Remote Sensing, 2011, 49(2):726-737. |
[2] | DOULGERIS A P, ANFINSEN S N, ELTOFT T. Automated non-gaussian clustering of polarimetric synthetic aperture radar images[J]. IEEE Transactions on Geoscience and Remote Sensing, 2011, 49(10):3665-3676. |
[3] | BEAULIEU J M, TOUZI R. Segmentation of textured polarimetric SAR scenes by likelihood approximation[J]. IEEE Transactions on Geoscience and Remote Sensing, 2004, 42(10):2063-2072. |
[4] | 陈启浩,刘修国,陈奇. 一种综合多特征的全极化SAR图像分割方法[J]. 武汉大学学报(信息科学版), 2014, 39(12):1419-1424. CHEN Qi-hao, LIU Xiu-guo, CHEN Qi. An intergrated multi-feature segmentation method of polarimetric SAR images[J]. Geomatics and Information Science of Wuhan University, 2014, 39(12):1419-1424. |
[5] | BENZ U, POTTIER E. Object based analysis of polarimetric SAR data in alpha-entropy-anisotropy decomposition using fuzzy classification by ecognition[C]//Geoscience and Remote Sensing Symposium. Sydney, NSW:IEEE, 2001:1427-1429. |
[6] | GAO H, YANG K, JIA Y. Segmentation of polarimetric SAR image using object-oriented strategy[C]//Remote Sensing, 2nd International Conference on Environment and Transportation Engineering (RSETE). Nanjing, China:IEEE Computer Society, 2012:1-5. |
[7] | QI Zhi-xin, ANTHONY G Y, LI X, et al. A novel algorithm for land use and land cover classification using Radarsat-2 polarimetric SAR data[J]. Remote Sensing of Environment, 2012, 118(2012):21-39. |
[8] | LEE J S, GRUNES M R, KWOK R. Classification of multi-look polarimetric SAR imagery based on complex Wishart distribution[J]. International Journal of Remote Sensing, 1994, 15(11):2299-2311. |
[9] | LEE J S, POTTIER E. Polarimetric radar imaging from basics to application[M]. New York, USA:Taylor&Francis Group, 2009:266-271. |
[10] | ULABY F T, KOUYATE F. Textural information in SAR images[J]. IEEE Transactions on Geoscience and Remote Sensing, 1986, GE-24(2):235-245. |
[11] | LOPES A, TOUZI R, NEZRY E. Adaptive speckle filters and scene heterogeneity[J]. IEEE Transactions on Geoscience and Remote Sensing, 1990, 28(6):992-1000. |
[12] | KHAN S, GUIDA R. On fractional moments of multilook polarimetric whitening filter for polarimetric SAR data[J]. IEEE Transactions on Geoscience and Remote Sensing, 2014, 52(6):3502-3512. |
[13] | AKBARI V, DOULGERIS A P, MOSER G, et al. A textural-contextual model for unsupervised segmentation of multipolarization synthetic aperture radar images[J]. IEEE Transactions on Geoscience and Remote Sensing, 2013, 51(4):2442-2453. |
[14] | SHAJI A, SMITH K, LUCCHI A, et al. SLIC superpixels compared to state-of-the-art superpixel methods[J]. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2012, 34(11):2274-2282. |
[15] | QIN Fa-chao, GUO Ji-ming, LANG Feng-kai. Superpixel segmentation for polarimetric SAR imagery using local iterative clustering[J]. IEEE Transactions on Geoscience and Remote Sensing Letters, 2015, 12(1):13-17. |
[16] | CAO F, HONG W, WU Y R, et al. An unsupervised segmentation with an adaptive number of clusters using the SPAN/H/α/A space and the complex Wishart clustering for fully polarimetric SAR data analysis[J]. IEEE Transactions on Geoscience and Remote Sensing, 2007, 45(11):3454-3467. |
[17] | 吴永辉, 计科峰, 李禹, 等. 基于Wishart分布和MRF的多视全极化SAR图像分割[J]. 电子学报, 2007, 35(12):2302-2306. WU Yong-hui, JI Ke-feng, LI Yu, et al. Segmenation of multi-look fully polarimetric SAR images based on wishart distribution and MRF[J]. Acta Electronica Sinica, 2007, 35(12):2302-2306. |
[18] | YIN J J, YANG J. A modified level set approach for segmentation of multiband polarimetric SAR images[J]. IEEE Transactions on Geoscience and Remote Sensing, 2014, 52(11):7222-7232. |