文献类型：期刊文献

英文题名：Noise reduction based on the characteristics of X-band marine radar images for oil spill detection

作者：Liu, Peng[1];Shao, Pengzhe[1];Zhao, Xingquan[1];Wang, Xuchong[1];Chen, Peng[1];Zhu, Xueyuan[1];Li, Ying[1];Xu, Jin[2];Liu, Bingxin[1]

机构：[1]Dalian Maritime Univ, Nav Coll, Dalian 116026, Peoples R China;[2]Guangdong Ocean Univ, Maritime Coll, Zhanjiang, Peoples R China

年份：2026

卷号：17

期号：2

起止页码：190

外文期刊名：REMOTE SENSING LETTERS

收录：SCI-EXPANDED(收录号：WOS:001662485200001)、、EI(收录号：20260419944466)、Scopus(收录号：2-s2.0-105027730248)、WOS

基金：This research was funded by National Natural Science Foundation of China [52271359] and Fundamental Research Funds for the Central Universities [3132025141].

语种：英文

外文关键词：Oil spill; marine radar imagery; co-channel interference; salt-and-pepper noise; noise reduction

外文摘要：Marine oil spills cause significant environmental damage worldwide. Marine radar imagery is used for oil spill detection. However, the presence of co-channel interference and salt-and-pepper noise in marine radar imagery compromises oil spill identification and extraction. To reduce the co-channel interference, a reduction method combining Otsu's thresholding with aspect ratio analysis is proposed. For salt-and-pepper noise, a restoration algorithm is designed by integrating transverse, vertical and environmental fittings. The proposed methods demonstrate superior noise suppression of co-channel interference and salt-and-pepper noise compared to conventional approaches while maintaining the original characteristics of the surface radar echo in the marine radar imagery.