以SRTM-DEM为控制的光学卫星遥感立体影像正射纠正
针对全球测图缺少统一的控制基准的问题,提出了利用SRTM-DEM作为控制基准,对光学卫星遥感影像进行正射纠正的方法。首先,对光学卫星影像构建的立体影像对进行自由网平差并制作DEM;然后,以SRTM-DEM作为控制,将DEM作为单元模型,进行独立模型法DEM区域网平差,获得单元模型的定向参数;最后,改正立体影像的成像几何模型参数,进行正射纠正。选取湖北咸宁和江西某地两个测区的资源三号数据进行试验,试验结果表明,资源三号正视全色影像的平面定向精度由12.93像素提高到6.85像素。...
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| Published in | 测绘学报 Vol. 45; no. 3; pp. 326 - 331 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国地质大学资源学院,湖北 武汉,430074%武汉大学测绘遥感信息工程国家重点实验室,湖北 武汉 430079
2016
国家测绘地理信息局卫星测绘应用中心,北京 100830%武汉大学遥感信息工程学院,湖北 武汉,430079 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1595 |
Cover
| Abstract | 针对全球测图缺少统一的控制基准的问题,提出了利用SRTM-DEM作为控制基准,对光学卫星遥感影像进行正射纠正的方法。首先,对光学卫星影像构建的立体影像对进行自由网平差并制作DEM;然后,以SRTM-DEM作为控制,将DEM作为单元模型,进行独立模型法DEM区域网平差,获得单元模型的定向参数;最后,改正立体影像的成像几何模型参数,进行正射纠正。选取湖北咸宁和江西某地两个测区的资源三号数据进行试验,试验结果表明,资源三号正视全色影像的平面定向精度由12.93像素提高到6.85像素。 |
|---|---|
| AbstractList | 针对全球测图缺少统一的控制基准的问题,提出了利用SRTM-DEM作为控制基准,对光学卫星遥感影像进行正射纠正的方法。首先,对光学卫星影像构建的立体影像对进行自由网平差并制作DEM;然后,以SRTM-DEM作为控制,将DEM作为单元模型,进行独立模型法DEM区域网平差,获得单元模型的定向参数;最后,改正立体影像的成像几何模型参数,进行正射纠正。选取湖北咸宁和江西某地两个测区的资源三号数据进行试验,试验结果表明,资源三号正视全色影像的平面定向精度由12.93像素提高到6.85像素。 P237; 针对全球测图缺少统一的控制基准的问题,提出了利用SRTM-DEM作为控制基准,对光学卫星遥感影像进行正射纠正的方法.首先,对光学卫星影像构建的立体影像对进行自由网平差并制作DEM;然后,以SRTM-DEM作为控制,将DEM作为单元模型,进行独立模型法DEM区域网平差,获得单元模型的定向参数;最后,改正立体影像的成像几何模型参数,进行正射纠正.选取湖北咸宁和江西某地两个测区的资源三号数据进行试验,试验结果表明,资源三号正视全色影像的平面定向精度由12.93像素提高到6.85像素. |
| Abstract_FL | In response to the problem of lacking of control base in the project of global mapping,a method to ortho-rectify satellite remote sensing images is proposed,which uses SRTM-DEM as control base.First, stereo images pairs which compose of optical images are adjusted by block adjustment of free networks and DEMs are extracted.Then SRTM-DEMis used as control base,the single DEM is the cell model and DEM block adjustment of independent models is implemented to get orientation parameters of each model. Finally,the geometric model parameters of each stereo image pair are corrected to ortho-rectify the nadir image.The ZY-3 images in Xianning and Jiangxi are taken as test data and the results show that the planar orientation accuracy of the pan nadir image is improved from 12.93 pixels to 6.85 pixels. |
| Author | 张浩 张过 蒋永华 汪韬阳 |
| AuthorAffiliation | 中国地质大学资源学院,湖北武汉430074 武汉大学测绘遥感信息工程国家重点实验室,湖北武汉430079 国家测绘地理信息局卫星测绘应用中心,北京100830 武汉大学遥感信息工程学院,湖北武汉430079 |
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| Author_FL | ZHANG Hao WANG Taoyang JIANG Yonghua ZHANG Guo |
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| DocumentTitleAlternate | A SRTM-DEM-controlled Ortho-rectification Method for Optical Satellite Remote Sensing Stereo Images |
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| Keywords | stereo images pair globalmapping image orientation accuracy independent model DEM区域网平差 DEM block adjustment 立体像对 全球测图 独立模型法 影像定向精度 |
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| Notes | ZHANG Hao ,ZHANG Guo ,JIANG Yonghua ,WANG Taoyang（1. Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China; 2. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China; 3. Satellite Surveying and Mapping Application Center, State Bureau of Surveying, Mapping and Geoinforrnation, Beijing ]00830, China; 4. School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China） 11-2089/P global mapping; stereo images pair; independent model; DEM block adjustment; image orientation accuracy In response to the problem of lacking of control base in the project of global mapping,a method to ortho-rectify satellite remote sensing images is proposed,which uses SRTM-DEM as control base.First,stereo images pairs which compose of optical images are adjusted by block adjustment of free networks and DEMs are extracted.Then SRTM-DEM is used as control base,the single DEM is the cell model and DEM block adjustm |
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| Publisher | 中国地质大学资源学院,湖北 武汉,430074%武汉大学测绘遥感信息工程国家重点实验室,湖北 武汉 430079 国家测绘地理信息局卫星测绘应用中心,北京 100830%武汉大学遥感信息工程学院,湖北 武汉,430079 |
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| SubjectTerms | DEM区域网平差 全球测图 影像定向精度 独立模型法 立体像对 |
| Title | 以SRTM-DEM为控制的光学卫星遥感立体影像正射纠正 |
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