基于多源影像融合去云的水深遥感反演研究——以哨兵-2A和资源三号为例  

Shallow Water Depth Retrieval from Multi-scale Multi-spectral Satellite Data:Take Sentinel-2A and Resource 3 as an Example

作　　者：吴忠强 毛志华 王正[1,2,3] 邱耀炜 沈蔚 WU Zhongqiang;MAO Zhihua;WANG Zheng;QIU Yaowei;SHEN Wei(School of Geographic and Oceanographic Sciences,Nanjing University,Nanjing 210023,China;Collaborative Innovation Center for the South China Sea Studies,Nanjing 210023,China;States Key Laboratory of Satellite Ocean Environment Dynamics,Second Institute of Oceanography,State Oceanic Administration,Hangzhou 310012,China;College of Marine Sciences,Shanghai Ocean University,Shanghai 201306,China;Estuarine and Oceanographic Mapping Engineering Research Center of Shanghai Municipal Ocean Bureau,Shanghai 201306,China)

机构地区：[1]南京大学地理与海洋科学学院,江苏南京210023 [2]中国南海研究协同创新中心,江苏南京210023 [3]国家海洋局第二海洋研究所卫星海洋环境动力学国家重点实验室,浙江杭州310012 [4]上海海洋大学海洋科学学院,上海201306 [5]上海市海洋局河口海洋测绘工程技术研究中心,上海201306

出　　处：《测绘与空间地理信息》2019年第11期12-16,共5页Geomatics & Spatial Information Technology

基　　金：基于国产高分辨率卫星的海洋测绘关键技术研究(14590502200)资助

摘　　要：利用Worldview-2、资源三号、Sentinel-2A、高分一号,以及Landsat-8等5种光学卫星数据和电子海图数据,在研究多光谱遥感水深反演机理以及基本流程的基础上,探究了多源遥感数据去云融合与水深反演。一方面,以不同空间分辨率的影像融合为切入点,用GM融合算法、小波融合探讨不同空间尺度、不同数据源融合影像对水深反演结果的影响,探讨水深反演过程中遥感影像去云融合的可行性。另一方面,以多源遥感水深反演为切入点,基于双波段比值法,反演实验区域20 m以内的水深,并进行精度评价。实验表明,利用小波融合去云可以改善水深遥感反演中有云区域的影响,一定程度上提高反演精度和制图资料的完整性。In this paper,by using Worldview-2,ZY-3,Sentinel-2A,GAOFEN-1 and Landsat-8 image data,the multispectral remote sensing water depth inversion mechanism and basic process has been researched,thus the key technologies of explores the multi-scale depth inversion by using remote sensing data has been explored.On the one hand,by using the different scale images fusion as the breakthrough point,with GM fusion algorithm and wavelet fusion effects of different scales,effects on water depth inversion results with different data sources fusion image has been researched,Water depth inversion process is discussed when the feasibility of the remote sensing image fusion to cloud,on the other hand,with multi-scale water depth remote sensing inversion as the breakthrough point,based on the dual band ratio method,inversed the experimental area 20 meters in shallow water depth,and give the precision evaluation.

关 键 词：水深遥感 多光谱水深反演 双波段比值法 精度评估 

分 类 号：P237[天文地球—摄影测量与遥感]