| 基于有理函数模型的线阵推扫式卫星近似核线影像的生成 |
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| 引用本文： | 聂倩,赵茹,叶晓婷.基于有理函数模型的线阵推扫式卫星近似核线影像的生成[J].城市勘测,2013(5):60-62. |
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| 作者姓名： | 聂倩 赵茹 叶晓婷 |
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| 作者单位： | 1. 宁波市测绘设计研究院,浙江宁波,315042
2. 广州地铁设计研究院有限公司,广东广州,510010 |
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| 摘 要： | 针对线阵推扫式传感器的成像几何特点，提出一种基于有理函数模型的线阵推扫式卫星近似核线影像的生成方法。该方法以有理函数模型描述推扫式传感器的成像几何关系，并采用投影轨迹法建立线阵推扫式影像的扩展核线模型。试验表明该方法能生成子像素级的近似核线影像，算法简单可靠。
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| 关 键 词： | 有理函数模型 核线 投影轨迹法 线阵推扫式成像 |
Generation of Approximate Epipolar Image from Linear Pushbroom Satellite Based on Rational Function Model |
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| Nie Qian
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Zhao Ru
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Ye Xiaoting.Generation of Approximate Epipolar Image from Linear Pushbroom Satellite Based on Rational Function Model[J].Urban Geotechnical Investigation & Surveying,2013(5):60-62. |
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| Authors: | Nie Qian Zhao Ru Ye Xiaoting |
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| Affiliation: | 1. Ningbo Institution of Surveying and Mapping, Ningbo 315042, China ; 2. Guangzhou Metro Design ＆ Research Institute Co. ,Ltd. Guangzhou 510010,China) |
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| Abstract: | This paper proposes a practical epipolarity model for linear pushbroom satellite stereo-imagery based on Rational Function Model. The method uses Rational Function Model to describe the imaging geometry of linear pushb- room satellite, and projective locus method is introduced to calculate approximate epipolarity. Test results using IKONOS images show that by adopting this method, quasi-rigorous epipolar image pairs with the subpixel level of vertical-paralla- xes are available. Results show the correctness and reliability of the method. |
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| Keywords: | rational function model epipolarity projective locus method linear pushbroom satellite image |
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