中国科学院长春光学精密机械与物理研究所

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	Concatenating wide-parallax satellite orthoimages for simplified regional mapping via utilizing line-point consistency
	Z. M. Tu, X. B. Yang, Z. Q. Fu, S. N. Gao, G. Yang, L. Jiang, M. Wu and S. E. Wang
	2023
发表期刊	International Journal of Remote Sensing
ISSN	0143-1161
卷号	44期号:16页码:4857-4882
摘要	Block adjustment is a common way for achieving large-scale mapping from several ortho-rectified satellite images derived from wide-parallax pushbroom (WPP) imaging. However, block adjustment's accuracy can be affected by the amount of ground control points (GCPs), resolution of digital evaluation model (DEM) and unexpected and unpredictable imaging drift. In addition, block adjustment requires sensor model, which is hard to obtain and needs adjustment in real time. In view of these problems, this paper proposes a WPP blocks concatenation method for simplified regional mapping. First, considering distortions along different blocks, an adaptive-RPC model is proposed to ortho-rectified images. Then, a novel algorithm for stitching the ortho-rectified images is proposed, which consists of line-point consistency for matching neighbourhoods between two images, and a new energy function for suppressing artefact and distortions. Stitching experiments carried out on images from Orbita Satellite show that the stitching accuracy reaches 0.87 pixels, better than state-of-the-art methods, and absolute cumulative accuracy after stitching 10 orthoimages is only 3.99% higher than original one. Further simulation experiments with variable in satellite swing angles verify its robustness under complex scenes, while the estimation of cumulative error reiterates the necessity of performing orthorectification in prior. All results demonstrate that the proposed method can obtain accurate large regional mapping with distortions and artefact effectively suppressed.
DOI	10.1080/01431161.2023.2240033
URL	查看原文
收录类别	sci
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67901
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Z. M. Tu, X. B. Yang, Z. Q. Fu, S. N. Gao, G. Yang, L. Jiang, M. Wu and S. E. Wang. Concatenating wide-parallax satellite orthoimages for simplified regional mapping via utilizing line-point consistency[J]. International Journal of Remote Sensing,2023,44(16):4857-4882.
APA	Z. M. Tu, X. B. Yang, Z. Q. Fu, S. N. Gao, G. Yang, L. Jiang, M. Wu and S. E. Wang.(2023).Concatenating wide-parallax satellite orthoimages for simplified regional mapping via utilizing line-point consistency.International Journal of Remote Sensing,44(16),4857-4882.
MLA	Z. M. Tu, X. B. Yang, Z. Q. Fu, S. N. Gao, G. Yang, L. Jiang, M. Wu and S. E. Wang."Concatenating wide-parallax satellite orthoimages for simplified regional mapping via utilizing line-point consistency".International Journal of Remote Sensing 44.16(2023):4857-4882.

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