缨帽变换的遥感图像水边线信息提取方法
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摘要
针对悬浮泥沙含量较大的海域水边线信息提取困难这一问题,该文提出了一种基于缨帽变换的遥感图像水边线信息提取方法。首先,针对悬浮泥沙含量较多,导致传统的水体信息提取方法失效这一问题,提出基于缨帽变换提取水体信息;其次,基于长度、距离和方向等特征知识,开展噪声去除、断线连接研究,提取水边线信息;最后,将水边线信息提取结果与原始图像叠加,进行精度评价。实验结果表明,该方法得到的水边线信息边界清晰,准确性较高,对于泥沙含量较高海域的水边线信息提取较为有效。
Aiming at the problem that it was difficult to extract shoreline information in the higher suspended sediment area,a new method of extracting shoreline information from remote sensing image based on Tasseled Cap transformation had been put forward in this paper.First of all,according to the problem of higher suspended sediment content which leads to the failure of traditional water information extraction method,the paper proposed to extract water information based on Tasseled Cap transformation;Secondly,based on the characteristics of length,distance and direction,noise reduction and broken line connection were studied to extract shoreline information;finally,the results of the shoreline extraction were superimposed on the original image to evaluate the accuracy.The experimental results showed that the shoreline information obtained by this method was clear in boundary and high in accuracy,and the method was more effective for extracting shoreline information in the higher suspended sediment area.
Aiming at the problem that it was difficult to extract shoreline information in the higher suspended sediment area,a new method of extracting shoreline information from remote sensing image based on Tasseled Cap transformation had been put forward in this paper.First of all,according to the problem of higher suspended sediment content which leads to the failure of traditional water information extraction method,the paper proposed to extract water information based on Tasseled Cap transformation;Secondly,based on the characteristics of length,distance and direction,noise reduction and broken line connection were studied to extract shoreline information;finally,the results of the shoreline extraction were superimposed on the original image to evaluate the accuracy.The experimental results showed that the shoreline information obtained by this method was clear in boundary and high in accuracy,and the method was more effective for extracting shoreline information in the higher suspended sediment area.
引文
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[16]孙伟富,马毅,张杰,等.不同类型海岸线遥感解译标志建立和提取方法研究[J].测绘通报,2011,(3):41-44.(SUN Weifu,MA Yi,ZHANG Jie,et al.Study of remote sensing interpretation keys and extraction technique of different types of shoreline[J].Bulletin of Surveying and Mapping,2011,(3):41-44.)
[17]RASULY A,NAGHDIFAR R,RASOLI M.Monitoring of Caspian Sea coastline changes using objectoriented techniques[J].Procedia Environmental Sciences,2010,2(1):416-426.
[2]严海兵,李秉柏,陈敏东.遥感技术提取海岸线的研究进展[J].地域研究与开发,2009,28(1):101-105.(YAN Haibing,LI Bingbai,CHEN Mindong.Progress of researches in coastline extraction based on RS technique[J].Areal Research and Development,2009,28(1):101-105.)
[3]张旭凯,张霞,杨邦会,等.结合海岸类型和潮位校正的海岸线遥感提取[J].国土资源遥感,2013,25(4):91-97.(ZHANG Xukai,ZHANG Xia,YANG Banghui,et al.Coastline extraction using remote sensing based on coastal type and tidal correction[J].Remote Sensing for Land and Resources,2013,25(4):91-97.)
[4]巢子豪,高一博,李彦辉,等.基于遥感和GIS的海州湾海岸线提取方法研究[J].淮海工学院学报(自然科学版),2014,23(4):87-91.(CHAO Zihao,GAO Yibo,LI Yanhui,et al.Study on the method to extract coastline of Haizhou bay based on remote sensing and GIS[J].Journal of Huaihai Institute of Technology(Natural Sciences Edition),2014,23(4):87-91.)
[5]李宗梅,罗玉忠,满旺,等.基于遥感和GIS的福建省海岸线的提取和变化研究[J].应用海洋学学报,2017,36(1):125-134.(LI Zongmei,LUO Yuzhong,MAN Wang,et al.Extraction and analysis of coastline of Fujian province based on RS and GIS[J].Journal of Applied Oceanography,2017,36(1):125-134.)
[6]王力彦,李鹏,李四海,等.高分辨率遥感影像海岸线提取方法研究:以WorldView-2数据为例[J].测绘与空间地理信息,2016,39(10):75-78.(WANG Liyan,LI Peng,LI Sihai,et al.Study on coastline extraction of high spatial resolution images:take the WorldView-2data for example[J].Geomatics &Spatial Information Technology,2016,39(10):75-78.)
[7]LIU H,JWZEK K C.Automated extraction of coastline from satellite imagery by intergrating canny edge detection and locally adaptive thresholding methods[J].International Journal of Remote Sensing,2004,25(5):937-958.
[8]KULELI T,GUNEROGLU A,KARSLI F,et al.Automatic detection of shoreline change on coastal Ramsar wetlands of Turkey[J].Ocean Engineering,2011,38(10):1141-1149.
[9]李雪红,赵莹.基于遥感影像的海岸线提取技术研究进展[J].海洋测绘,2016,36(4):67-71.(LI Xuehong,ZHAO Ying.Research progress of techniques of coastline extraction based on remote sensing images[J].Hydrographic Surveying and Charting,2016,36(4):67-71.)
[10]刘善伟,张杰,马毅,等.海岸线遥感判绘与提取系统实现[J].测绘科学,2013,38(3):181-183.(LIU Shanwei,ZHANG Jie,MA Yi,et al.Realization of the system for coastline protraction and extraction[J].Science of Surveying and Mapping,2013,38(3):181-183.)
[11]RYAN T W,SEMENTILLI P J,YUEN P,et al.Extraction of shoreline features by neural nets and image processing[J].Photogrammetric Engineering and Remote Sensing,1991,57(7):947-955.
[12]GHOSH M K,KUMAR L,ROY C.Monitoring the coastline change of Hatiya Island in Bangladesh using remote sensing techniques[J].ISPRS Journal of Photogrammetry &Remote Sensing,2015,101(3):137-144.
[13]罗开盛,陶福禄.融合面向对象与缨帽变换的湿地覆被类别遥感提取方法[J].农业工程学报,2017,33(3):198-203.(LUO Kaisheng,TAO Fulu.Method for wetland type extraction using remote sensing combing object-oriented and tasseled cap transformation[J].Transactions of the Chinese Society of Agricultural Engineering,2017,33(3):198-203.)
[14]韩晨.融合K-T和K-L数据的洽川湿地水体提取[J].价值工程,2016,35(31):138-139.(HAN Chen.Water extraction in Qiachuan wetland using K-T and K-L data[J].Value Engineering,2016,35(31):138-139.)
[15]冯里涛,骆光飞.数学形态学在遥感影像云层识别中的应用[J].测绘科学,2015,40(5):80-83.(FENG Litao,LUO Guangfei.Cloud determination in remote sensing images based on mathematical morphology[J].Science of Surveying and Mapping,2015,40(5):80-83.)
[16]孙伟富,马毅,张杰,等.不同类型海岸线遥感解译标志建立和提取方法研究[J].测绘通报,2011,(3):41-44.(SUN Weifu,MA Yi,ZHANG Jie,et al.Study of remote sensing interpretation keys and extraction technique of different types of shoreline[J].Bulletin of Surveying and Mapping,2011,(3):41-44.)
[17]RASULY A,NAGHDIFAR R,RASOLI M.Monitoring of Caspian Sea coastline changes using objectoriented techniques[J].Procedia Environmental Sciences,2010,2(1):416-426.