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相关论文: SAR Tomography at the Limit: Building Height Recon…

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Multi-baseline interferometric synthetic aperture radar (InSAR) techniques are effective approaches for retrieving the 3-D information of urban areas. In order to obtain a plausible reconstruction, it is necessary to use large-stack…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Yilei Shi , Richard Bamler , Yuanyuan Wang , Xiao Xiang Zhu

Multipass SAR interferometry (InSAR) techniques based on meter-resolution spaceborne SAR satellites, such as TerraSAR-X or COSMO-Skymed, provide 3D reconstruction and the measurement of ground displacement over large urban areas.…

信号处理 · 电气工程与系统科学 2020-08-26 Jian Kang , Yuanyuan Wang , Xiao Xiang Zhu

SAR (Synthetic Aperture Radar) tomography reconstructs 3-D volumes from stacks of SAR images. High-resolution satellites such as TerraSAR-X provide images that can be combined to produce 3-D models. In urban areas, sparsity priors are…

计算机视觉与模式识别 · 计算机科学 2021-03-15 Clément Rambour , Loïc Denis , Florence Tupin , Hélène Oriot , Yue Huang , Laurent Ferro-Famil

Synthetic aperture radar (SAR) interferometry (InSAR) is performed using repeat-pass geometry. InSAR technique is used to estimate the topographic reconstruction of the earth surface. The main problem of the range-Doppler focusing technique…

信号处理 · 电气工程与系统科学 2018-03-15 Gabriele Costante , Thomas A. Ciarfuglia , Filippo Biondi

Multi-baseline synthetic aperture radar interferometry (MB-InSAR), capable of mapping 3D surface model with high precision, is able to overcome the ill-posed problem in the single-baseline InSAR by use of the baseline diversity. Single pass…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Fengming Hu , Feng Xu , Xiaolan Qiu , Chibiao Ding , Yaqiu Jin

This paper presents a nonlocal InSAR filter with the goal of generating digital elevation models of higher resolution and accuracy from bistatic TanDEM-X strip map interferograms than with the processing chain used in production. The…

图像与视频处理 · 电气工程与系统科学 2018-12-05 Gerald Baier , Cristian Rossi , Marie Lachaise , Xiao Xiang Zhu , Richard Bamler

Radar is a low-cost and ubiquitous automotive sensor, but is limited by array resolution and sensitivity when performing direction of arrival analysis. Synthetic Aperture Radar (SAR) is a class of techniques to improve azimuth resolution…

信号处理 · 电气工程与系统科学 2025-01-16 Leyla A. Kabuli , Griffin Foster

Tomographic SAR (TomoSAR) inversion of urban areas is an inherently sparse reconstruction problem and, hence, can be solved using compressive sensing (CS) algorithms. This paper proposes solutions for two notorious problems in this field:…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Yilei Shi , Xiao Xiang Zhu , Richard Bamler

Building height retrieval from synthetic aperture radar (SAR) imagery is of great importance for urban applications, yet highly challenging owing to the complexity of SAR data. This paper addresses the issue of building height retrieval in…

图像与视频处理 · 电气工程与系统科学 2021-11-19 Yao Sun , Lichao Mou , Yuanyuan Wang , Sina Montazeri , Xiao Xiang Zhu

Synthetic aperture radar (SAR) tomography (TomoSAR) enables the reconstruction and three-dimensional (3D) localization of targets based on multiple two-dimensional (2D) observations of the same scene. The resolving along the elevation…

信号处理 · 电气工程与系统科学 2022-04-27 Silin Gao , Zhe Zhang , Bingchen Zhang , Yirong Wu

We present an efficient, elastic 3D LiDAR reconstruction framework which can reconstruct up to maximum LiDAR ranges (60 m) at multiple frames per second, thus enabling robot exploration in large-scale environments. Our approach only…

Interferometric Synthetic Aperture Radar (InSAR) Imaging methods are usually based on algorithms of match-filtering type, without considering the scene's characteristic, which causes limited imaging quality. Besides, post-processing steps…

信号处理 · 电气工程与系统科学 2022-10-07 Xu Zhan , Xiaoling Zhang , Shunjun Wei , Jun Shi

Array synthetic aperture radar (Array-SAR), also known as tomographic SAR (TomoSAR), has demonstrated significant potential for high-quality 3D mapping, particularly in urban areas.While deep learning (DL) methods have recently shown…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Yu Ren , Xu Zhan , Yunqiao Hu , Xiangdong Ma , Liang Liu , Mou Wang , Jun Shi , Shunjun Wei , Tianjiao Zeng , Xiaoling Zhang

3D reconstruction of a scene from Synthetic Aperture Radar (SAR) images mainly relies on interferometric measurements, which involve strict constraints on the acquisition process. These last years, progress in deep learning has…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Emile Barbier--Renard , Florence Tupin , Nicolas Trouvé , Loïc Denis

Reliable building height estimation is essential for various urban applications. Spaceborne SAR tomography (TomoSAR) provides weather-independent, side-looking observations that capture facade-level structure, offering a promising…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Zhaiyu Chen , Yuanyuan Wang , Yilei Shi , Xiao Xiang Zhu

This paper reports the repeat-pass interferometric SAR results of Gaofen-3, a Chinese civil SAR satellite, acquired in November 2016 and March 2017 from Ningbo area. With the spatial baseline about 600 m and time baseline 116 days, the…

地球物理 · 物理学 2017-04-05 Tao Zhang , Xiaolei Lv , Bing Han , Bin Lei , Jun Hong

Radar interferometry usually exploits two complex-valued radar images with the same resolution to extract terrain elevation information. This paper considers the interferometry using two radar images with different resolutions, which we…

信息论 · 计算机科学 2018-12-14 Huizhang Yang , Chengzhi Chen , Shengyao Chen , Feng Xi , Zhong Liu

Tree height estimation serves as an important proxy for biomass estimation in ecological and forestry applications. While traditional methods such as photogrammetry and Light Detection and Ranging (LiDAR) offer accurate height measurements,…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Grace Colverd , Jumpei Takami , Laura Schade , Karol Bot , Joseph A. Gallego-Mejia

In this paper we discuss the potential and challenges regarding SAR-optical stereogrammetry for urban areas, using very-high-resolution (VHR) remote sensing imagery. Since we do this mainly from a geometrical point of view, we first analyze…

图像与视频处理 · 电气工程与系统科学 2018-02-27 Chunping Qiu , Michael Schmitt , Xiao Xiang Zhu

Synthetic aperture radar tomography (TomoSAR) has been extensively employed in 3-D reconstruction in dense urban areas using high-resolution SAR acquisitions. Compressive sensing (CS)-based algorithms are generally considered as the state…

信号处理 · 电气工程与系统科学 2022-05-04 Kun Qian , Yuanyuan Wang , Yilei Shi , Xiao Xiang Zhu
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