Results 51 to 60 of about 104,786 (306)

A nonquadratic regularization-based technique for joint SAR imaging and model error correction [PDF]

, 2008
Regularization based image reconstruction algorithms have successfully been applied to the synthetic aperture radar (SAR) imaging problem. Such algorithms assume that the mathematical model of the imaging system is perfectly known.
Cetin, Mujdat, Onhon, Ozben Naime, Çetin, Müjdat, Önhon, Özben Naime   +3 more
core   +1 more source

Fractal dimension images from SAR images [PDF]

2014 IEEE International Conference on Image Processing (ICIP), 2014
In this paper we present the description of the image-processing issues underlying the estimation of the fractal dimension of natural surfaces from their corresponding synthetic aperture radar images. The choice of the spectral-estimation method is a key issue, due to the special nature of the problem at hand.
RICCIO, DANIELE, DI MARTINO, GERARDO, IODICE, ANTONIO, RUELLO, GIUSEPPE, ZINNO, IVANA   +4 more
openaire   +3 more sources

New Onset of Fibromyalgia After Exposure to a Combat Environment: A Longitudinal Cohort Study

Arthritis Care &Research, EarlyView.
Objective Traumatic life events are hypothesized to be triggers for the onset of fibromyalgia. Posttraumatic stress disorder (PTSD) is a common comorbidity of fibromyalgia. However, limited prospective data are available on the development of fibromyalgia after exposure to high‐magnitude stress.
Jay B. Higgs, Willie J. Hale, Casey L. Straud, Jim Mintz, Stacey Young‐McCaughan, Kimberly D. Gomes, Chelsea J. Sterne, Katrina M. Lawrence‐Wolff, Alan J. Bartholomew, Kevin M. Kelly, Douglas M. Maurer, Catherine Vriend, Brett T. Litz, Douglas E. Williamson, Alan L. Peterson, for the STRONG STAR Consortium   +15 more
wiley   +1 more source

Unambiguous Imaging of Static Scenes and Moving Targets with the First Chinese Dual-Channel Spaceborne SAR Sensor

Sensors, 2017
Multichannel synthetic aperture radar (SAR) is a breakthrough given the inherent limitation between high-resolution and wide-swath (HRWS) faced with conventional SAR.
Tingting Jin, Xiaolan Qiu, Donghui Hu, Chibiao Ding   +3 more
doaj   +1 more source

Sparse representation-based synthetic aperture radar imaging [PDF]

, 2011
There is increasing interest in using synthetic aperture radar (SAR) images in automated target recognition and decision-making tasks. The success of such tasks depends on how well the reconstructed SAR images exhibit certain features of the underlying ...
Cetin, Mujdat, Masnadi-Shirazi, Mohammad Ali, Samadi, Sadegh, Çetin, Müjdat   +3 more
core   +1 more source

Characteristics and outcomes of male participants in the Australian Scleroderma Cohort Study (ASCS).

Arthritis Care &Research, Accepted Article.
Objective To determine the differences in demographic, serologic and clinical characteristics between male and female patients with systemic sclerosis (SSc) in an Australian cohort. Methods Retrospective observational study using data from the Australian Scleroderma Cohort Study (ASCS). Males (M) were compared to females (F) using chi‐squared, Wilcoxon
Emily Lin, Dylan Hansen, Laura Ross, Gene‐Siew Ngian, Susanna Proudman, Gabor Major, Maryam Tabesh, Mandana Nikpour, Jennifer Walker, Lauren Host, Nava Ferdowsi, Alannah Quinlivan, Wendy Stevens, Joanne Sahhar, Diane Apostolopoulos   +14 more
wiley   +1 more source

Foundations of radar synthesis theory of phantom objects formation in SAR images

Радіоелектронні і комп'ютерні системи
The primary research area is developing a theory of false object formation in aerospace radar images. This process involves adding the spatial and temporal trajectory signals of the object information features that are absent on the underlying surface ...
Volodymyr Pavlikov, Simeon Zhyla, Pavlo Pozdniakov, Denys Kolesnikov, Hlib Cherepnin, Olexandr Shmatko, Oleksii Odokiienko, Pavlo Malashta, Eduard Tserne   +8 more
doaj   +1 more source

Design Considerations for Murine Retinal Imaging Using Scattering Angle Resolved Optical Coherence Tomography

Applied Sciences, 2018
Optical coherence tomography (OCT), an optical imaging approach enabling cross-sectional analysis of turbid samples, is routinely used for retinal imaging in human and animal models of diseases affecting the retina.
Michael R. Gardner, Nitesh Katta, Ayesha S. Rahman, Henry G. Rylander, Thomas E. Milner   +4 more
doaj   +1 more source

Key Technology and Preliminary Progress of Microwave Vision 3D SAR Experimental System

Leida xuebao, 2022
Three-Dimensional (3D) Synthetic Aperture Radar (SAR) imaging has considerable application potential in steep-terrain mapping and target recognition in complex environments and is an important development direction in the current SAR field.
Xiaolan QIU, Zekun JIAO, Zhenli YANG, Yao CHENG, Bei LIN, Yitong LUO, Wei WANG, Yongwei DONG, Liangjiang ZHOU, Chibiao DING   +9 more
doaj   +1 more source

Fast Compressed Sensing SAR Imaging based on Approximated Observation

, 2013
In recent years, compressed sensing (CS) has been applied in the field of synthetic aperture radar (SAR) imaging and shows great potential. The existing models are, however, based on application of the sensing matrix acquired by the exact observation ...
Fang, Jian, Hong, Wen, Wu, Yirong, Xu, Zongben, Zhang, Bingchen   +4 more
core   +1 more source