适用于IKONOS高分辨率图像的正校正软件:GeoPixel-Ortho

IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217) Pub Date : 2001-07-09 DOI:10.1109/IGARSS.2001.976220

C. Ahn, S. Cho, J. Jeon

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引用次数: 6

摘要

介绍了geoixel - ortho作为一种增值处理模块，在geoixel遥感软件中生成正射电校正图像。为了估计传感器的方向参数，采用直接线性变换(DLT)方法。该模块在韩国首尔南部的IKONOS现场进行了测试。利用GPS接收机对地面控制点进行精确定位。虽然由于缺乏传感器相关信息，使用DLT模型很难评估高可靠的传感器参数，但测试区域水平误差的整体精度估计在1到2像素之间。进一步研究如何估计更精确的传感器参数以提高DLT模型的性能。

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Ortho-rectification software applicable for IKONOS high resolution images: GeoPixel-Ortho

GeoPixel-Ortho as a value-added processing module for generating ortho-rectified images in GeoPixel which is in-house remote sensing software, is introduced. To estimate sensor orientation parameters, a direct linear transform (DLT) method was implemented. The module was tested on an IKONOS scene over the south part of Seoul, Korea. The accurate location of ground control points (GCPs) was obtained by using GPS receivers. Although it was hard to evaluate highly reliable sensor parameters using the DLT model because of a lack of sensor related information, the overall accuracy of horizontal error on the test area was estimated to be between 1 and 2 pixels. Further research on estimating more accurate sensor parameters to improve the performance of the DLT model will be done.

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IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217)

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