基于Atrous-HIS变换的多光谱遥感影像多核并行融合方法
摘要:
为适应遥感影像高效融合的应用需求,提出了一种基于Atrous-HIS变换的多光谱与全色影像并行融合方法.首先设计了一种结合了Atrous和HIS变换的遥感影像串行融合算法,分析了它的详细处理步骤.随后在该算法中引入OpenMP并行技术,并且制定了并行策略,优化了处理流程,最终实现了一种高效的并行影像融合算法.实验结果表明,该方法可以实现多光谱与全色影像的快速融合,具有良好的加速比,可扩展性好,并行效率高.
To meet the application requirements of efficient fusion of remote sensing images,a parallel fusion method of multispectral and panchromatic images based on Atrous-HIS transform is proposed.Firstly,a serial fusion algorithm of remote sensing image combining Atrous and HIS transform is designed,and its detailed processing steps are analyzed.Then,the OpenMP parallel technology is introduced into the algorithm,the parallel strategy is designed,the processing flow is optimized,and an efficient parallel image fusion algorithm is realized.The experimental results show that the method can achieve fast fusion of multispectral and panchromatic images,having a good speedup ratio,good scalability and high parallel efficiency.
作者:
范明虎 薛昊润 臧文乾 张旭升 谢毅
Fan Minghu;Xue Haorun;Zang Wenqian;Zhang Xusheng;Xie Yi(Henan Key Laboratory of Big Data Analysis and Processing,Henan University,Kaifeng 475004,China;International School,Beijing University of Posts and Telecommunications,Beijing 100876,China;Institute of Aerospace Information Innovation,Chinese Academy of Sciences,Beijing 100101,China)
机构地区:
河南大学河南省大数据分析与处理重点实验室 北京邮电大学国际学院 中国科学院空天信息创新研究院
出处:
《betway官方app 学报:自然科学版》 CAS 北大核心 2022年第4期76-81,共6页
Journal of Henan Normal University(Natural Science Edition)
基金:
国家自然科学基金(62176087) 民用航天技术预先研究项目(Y7K00100KJ) 河南省科技厅科技攻关项目(202102210368)。
关键词:
遥感图像融合 Atrous-HIS变换 并行计算 OpenMP
remote sensing image fusion Atrous-HIS parallel computing OpenMP
分类号:
TP79 [自动化与计算机技术—检测技术与自动化装置]