基于稀疏分解和改進(jìn)MRF模型的SAR海冰圖像分割方法
[Abstract]:The accurate segmentation of synthetic Aperture Radar (SAR) (SAR) sea ice image is the premise of accurately interpreting the sea ice distribution information. However, the existing segmentation methods are seriously affected by speckle noise, and the segmentation error is large, and the interpretation result is low reliability. A method of SAR sea ice image segmentation based on low rank sparse representation is proposed. Firstly, the sparse component of the image is extracted by robust principal component analysis (PCA), and then the image detail information is enhanced by using bilateral filtering. Aiming at the problem that the MRF segmentation model based on the fixed potential function can not accurately reflect the correlation between the image regions, the MRF segmentation model based on the interaction potential function is established according to the Bayesian confidence propagation algorithm to accurately segment the sea ice image. The performance of the algorithm is verified by using Radarsat series satellite data. The results show that compared with the traditional algorithm, the proposed algorithm can not only maintain the connectivity of the segmented image, but also enhance the detail information of the image, and has a higher segmentation accuracy.
【作者單位】: 內(nèi)蒙古科技大學(xué)信息工程學(xué)院;
【基金】:國家自然科學(xué)基金項(xiàng)目(61261028) 國家海洋局海洋遙測工程技術(shù)研究中心創(chuàng)新青年基金(2014003) 內(nèi)蒙古自治區(qū)高等學(xué)!扒嗄昕萍加⒉胖С钟(jì)劃”青年科技骨干項(xiàng)目(NJYT-14-B11) 內(nèi)蒙古自然科學(xué)基金項(xiàng)目(2014MS0610) 內(nèi)蒙古科技大學(xué)創(chuàng)新基金(2014QNGG07);內(nèi)蒙古科技大學(xué)教改項(xiàng)目(YJSJGX2015006)資助
【分類號】:TN957.52
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