Results 21 to 30 of about 3,174,120 (305)

Efficient 3D Image Reconstruction of Airborne TomoSAR Based on Back Projection and Improved Adaptive ISTA

IEEE Access, 2021
Airborne SAR tomography (TomoSAR) 3D image reconstruction can be realized with combination of 2D imaging algorithms and compressed sensing (CS) algorithms.
Dong Han, Liangjiang Zhou, Zekun Jiao, Bingnan Wang, Yachao Wang, Yirong Wu   +5 more
doaj   +1 more source

3D SAR Imaging Method Based on Learned Sparse Prior

Leida xuebao, 2023
The development of 3D Synthetic Aperture Radar (SAR) imaging is currently hampered by issues such as high data dimension, high system complexity, and low imaging processing efficiency.
Mou WANG, Shunjun WEI, Rong SHEN, Zichen ZHOU, Jun SHI, Xiaoling ZHANG   +5 more
doaj   +1 more source

Multi-Circular SAR Three-Dimensional Image Formation via Group Sparsity in Adjacent Sub-Apertures

Remote Sensing, 2022
Multi-circular SAR(MCSAR) can obtain holographic three-dimensional (3D) images of interesting observation targets, which is a significant research field at present.
Weixing Yang, Daiyin Zhu
doaj   +1 more source

Bidirectional SAR Imaging Mode [PDF]

, 2013
The paper introduces the Bi-Directional (BiDi) SAR imaging mode, i.e. the simultaneous imaging of two directions by one antenna into one receiving channel, and presents short-term time series of images and interferograms acquired by the TerraSAR-X and ...
Wollstadt, Steffen, Mittermayer, Josef, Moreira, Alberto, Prats, Pau, Krieger, Gerhard, Lopez-Dekker, Paco   +5 more
core   +1 more source

Review of Deep Learning for SAR 3D Imaging

Leida xuebao
With the increasing demands on imaging accuracy, efficiency, and robustness in modern three-Dimensional (3D) Synthetic Aperture Radar (SAR) imaging systems, the performance of traditional 3D imaging methods, such as matched filtering and compressed ...
Changhao LIU, Yan WANG, Siyu ZHAO, Anqi GAO   +3 more
doaj   +1 more source

Synthetic aperture sonar imaging using compressive sensing and an ultrasound transducer array [PDF]

, 2013
Includes bibliographical references.Compressive sensing (CS) also known as compressive sampling is a technique used to reconstruct or recover the full-length of a signal with only a few non-adaptive measurements.
Jideani, Josiah Chimnanu
core   +1 more source

Advances and prospects in SAR microwave vision three-dimensional imaging

National Science Open
Synthetic Aperture Radar three-dimensional (3D) imaging enables the acquisition of more comprehensive information, making it a recent hotspot in radar imaging.
Qiu Xiaolan, Jiao Zekun, Zhang Zhe, Yan Qiancheng, Ding Chibiao   +4 more
doaj   +1 more source

3D SAR Imaging Radar System at Microwave Frequencies: Experimental Results

2022 19th European Radar Conference (EuRAD), 2022
Microwave frequencies based on frequency-modulated continuous-wave (FMCW) technique as applied to synthetic aperture radar (SAR) imaging have many potential applications related to security, automotive, mapping, medical, and surveillance. In this paper, a three-dimensional (3D) SAR imaging system at K band frequencies is presented and its effective ...
Kumar, Rupesh, Molaei, Amir Masoud, Fusco, Vincent, Yurduseven, Okan   +3 more
openaire   +2 more sources

Under-Foliage Object Imaging Using SAR Tomography and Polarimetric Spectral Estimators [PDF]

, 2012
International audienceThis paper addresses the imaging of objects located under a forest cover using polarimetric synthetic aperture radar tomography (POLTOMSAR) at L-band.
Huang, Yue, Andreas Reigber, Ferro-Famil, Laurent, Yue Huang, Reigber, Andreas, Laurent Ferro-Famil   +5 more
core   +1 more source

Geometric Continuity Characterization of Urban Buildings in SAR 3D Imaging Domain and Few-tracks 3D Imaging

Leida xuebao
Synthetic Aperture Radar (SAR) is an active microwave sensing technology capable of all-weather, day-and-night operation, making it a critical source of Earth observation data.
Fengming HU, Jifan TIAN, Guozhen CHENG, Feng XU   +3 more
doaj   +1 more source