Characterization of imaging performance of a novel helical kVCT for use in image-guided and adaptive radiotherapy. [PDF]
J Appl Clin Med Phys, 2022 ClearRT helical kVCT imaging for the Radixact helical tomotherapy system recently received FDA approval and is available for clinical use. The system is intended to enhance image fidelity in radiation therapy treatment planning and delivery compared to ...
Tegtmeier RC +4 more
europepmc +2 more sources
Technical assessment of 2D and 3D imaging performance of an IGZO-based flat-panel X-ray detector. [PDF]
Med Phys, 2022 Background: Indirect detection flat-panel detectors (FPDs) consisting of hydrogenated amorphous silicon (a-Si:H) thin-film transistors (TFTs) are a prevalent technology for digital x-ray imaging.
Sheth NM +4 more
europepmc +2 more sources
Technical evaluation of the cone-beam computed tomography imaging performance of a novel, mobile, gantry-based X-ray system for brachytherapy. [PDF]
J Appl Clin Med Phys, 2022 Purpose A novel, mobile cone‐beam computed tomography (CBCT) system for image‐guided adaptive brachytherapy was recently deployed at our hospital as worldwide first site.
Karius A, Karolczak M, Strnad V, Bert C.
europepmc +2 more sources
Focusing Characteristics and Widefield Imaging Performance of the Silicon Metalens in the Visible Range [PDF]
Micromachines, 2022 Conventional optical high numerical aperture lenses are essential for high-resolution imaging, but bulky and expensive. In comparison, metalens-based optical components are the subjects of intensive investigation for their flexible manipulation of light.
Miao Zhao, Binbin Yu, Jing Du, Jing Wen
doaj +2 more sources
Formation Flying SAR: Analysis of Imaging Performance by Array Theory
IEEE Transactions on Aerospace and Electronic Systems, 2021 This article analyzes the process of image synthesis for a formation flying synthetic aperture radar (FF-SAR), which is a multistatic synthetic aperture radar (SAR) based on a cluster of receiving-only satellites flying in a close formation, in the ...
A. Renga, M. Graziano, A. Moccia
semanticscholar +1 more source
An Improved Imaging Algorithm for Multi-Receiver SAS System with Wide-Bandwidth Signal
Remote Sensing, 2021 When the multi-receiver synthetic aperture sonar (SAS) works with a wide-bandwidth signal, the performance of the range-Doppler (R-D) algorithm is seriously affected by two approximation errors, i.e., point target reference spectrum (PTRS) error and ...
Xuebo Zhang, Peixuan Yang
doaj +1 more source
Synthetic aperture imagery for high-resolution imaging sonar
Frontiers in Marine Science, 2022 Synthetic aperture sonar (SAS) can provide high-resolution underwater images. Traditional fast imaging algorithms designed for multi-receiver synthetic aperture sonar (MSAS) are complex because the point target reference spectrum (PTRS) deduction and ...
Pan Huang, Peixuan Yang
doaj +1 more source
Sensors, 2020 Like natural images, remote sensing scene images; of which the quality represents the imaging performance of the remote sensor, also suffer from the degradation caused by imaging system.
Ningshan Xu +3 more
doaj +1 more source
Back Projection Algorithm for Multi-Receiver Synthetic Aperture Sonar Based on Two Interpolators
Journal of Marine Science and Engineering, 2022 The back projection (BP) algorithm is characterized by its high performance for multi-receiver synthetic aperture sonar (SAS). For this reason, it is usually used to evaluate the imaging performance of Fourier-domain methods.
Xuebo Zhang, Peixuan Yang
doaj +1 more source
An objective structural and functional reference standard in glaucoma
Scientific Reports, 2021 The current lack of consensus for diagnosing glaucoma makes it difficult to develop diagnostic tests derived from deep learning (DL) algorithms. In the present study, we propose an objective definition of glaucomatous optic neuropathy (GON) using clearly
Eduardo B. Mariottoni +5 more
doaj +1 more source