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This paper proposes an Arbitrary Lagrangian-Eulerian incompressible finite volume scheme based on Consistent Flux Reconstruction method (ALE-CFR) on deforming two-dimensional unstructured triangular grids. The scheme is further applied to…

流体动力学 · 物理学 2019-11-11 Kartik Bali , K Supradeepan

Existing methods to reconstruct vascular structures from a computed tomography (CT) angiogram rely on injection of intravenous contrast to enhance the radio-density within the vessel lumen. However, pathological changes can be present in…

图像与视频处理 · 电气工程与系统科学 2020-02-11 Anirudh Chandrashekar , Ashok Handa , Natesh Shivakumar , Pierfrancesco Lapolla , Vicente Grau , Regent Lee

Interference between vector mesons electroproduced at different longitudinal coordinates leads within Glauber approximation to a $Q^2$-dependence of nuclear effects similar to what is expected to be an onset of color transparency (CT). We…

核理论 · 物理学 2007-05-23 J. Huefner , B. Z. Kopeliovich

Binary segmentation of volumetric images of porous media is a crucial step towards gaining a deeper understanding of the factors governing biogeochemical processes at minute scales. Contemporary work primarily revolves around primitive…

Interpreting Convolutional Neural Networks (CNNs) is critical for safety-sensitive applications such as healthcare and autonomous systems. Popular visual explanation methods like Grad-CAM use a single convolutional layer, potentially…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Casey Wall , Longwei Wang , Rodrigue Rizk , KC Santosh

Cosmic ray muon computed tomography ({\mu}CT) is a new imaging modality with unique characteristics that could be particularly important for diverse applications including nuclear nonproliferation, spent nuclear fuel monitoring, cargo…

仪器与探测器 · 物理学 2018-10-17 Zhengzhi Liu , Stylianos Chatzidakis , John M. Scaglione , Can Liao , Haori Yang , Jason P. Hayward

Algebraic methods applied to the reconstruction of Sparse-view Computed Tomography (CT) can provide both a high image quality and a decrease in the dose received by patients, although with an increased reconstruction time since their…

医学物理 · 物理学 2024-12-12 M. Chillarón , G. Quintana-Ortí , V. Vidal , G. Verdú

Purpose: The goal of this study was to assess the potential added benefit of accounting for partial volume effects (PVE) in an automatic coronary lumen segmentation algorithm from coronary computed tomography angiography (CCTA). Materials…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Moti Freiman , Hannes Nickisch , Sven Prevrhal , Holger Schmitt , Mani Vembar , Pál Maurovich-Horvat , Patrick Donnelly , Liran Goshen

Cone Beam Computed Tomography (CBCT) plays a vital role in clinical imaging. Traditional methods typically require hundreds of 2D X-ray projections to reconstruct a high-quality 3D CBCT image, leading to considerable radiation exposure.…

图像与视频处理 · 电气工程与系统科学 2024-10-08 Zhentao Liu , Yu Fang , Changjian Li , Han Wu , Yuan Liu , Dinggang Shen , Zhiming Cui

We investigate the charge re-distribution upon optical excitation of various necked homodimer CQDMs using single particle emission spectroscopy. By tuning the hybridization of the electron wavefunction at a fixed center-to-center distance…

介观与纳米尺度物理 · 物理学 2023-06-27 Somnath Koley , Jiabin Cui , Yossef. E. Panfil , Yonatan Ossia , Adar Levi , Einav Scharf , Lior Verbitsky , Uri Banin

In the field of chemistry, where nuclear motion has traditionally been a focal point, we now explore the ultra-rapid electronic motion spanning attoseconds to femtoseconds, demonstrating that it is equally integral and relevant to the…

化学物理 · 物理学 2025-02-18 Alexander Riegel , Elke Fasshauer

Accurate nuclei segmentation is an essential foundation for various applications in computational pathology, including cancer diagnosis and treatment planning. Even slight variations in nuclei representations can significantly impact these…

图像与视频处理 · 电气工程与系统科学 2024-07-30 Zunaira Rauf , Abdul Rehman Khan , Asifullah Khan

Coherent exclusive vector meson electroproduction is a key physics channel at an electron-ion collider. It probes the gluon structure of nuclei over a wide range of $Q^2$, and can be used to measure nuclear shadowing and to search for gluon…

核实验 · 物理学 2019-01-16 Michael Lomnitz , Spencer Klein

Glaucoma is a chronic visual disease that may cause permanent irreversible blindness. Measurement of the cup-to-disc ratio (CDR) plays a pivotal role in the detection of glaucoma in its early stage, preventing visual disparities. Therefore,…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Rukhshanda Hussain , Hritam Basak

Multiple electron processes occur widely in atoms, molecules, clusters, and condensed matters when they are interacting with energetic particles or intense laser fields. In this work, a unified and accurate theoretical formalism is proposed…

原子物理 · 物理学 2018-04-18 Pengfei Liu , Jiaolong Zeng , Jianmin Yuan

We present a new theoretical approach for the simulations of X-ray photoelectron spectra of strongly correlated molecular systems that combines multireference algebraic diagrammatic construction theory (MR-ADC) [J. Chem. Phys., 2018, 149,…

化学物理 · 物理学 2022-05-31 Carlos E. V. de Moura , Alexander Yu. Sokolov

In industrial manufacturing processes, errors frequently occur at unpredictable times and in unknown manifestations. We tackle the problem of automatic defect detection without requiring any image samples of defective parts. Recent works…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Marco Rudolph , Tom Wehrbein , Bodo Rosenhahn , Bastian Wandt

Segmentation is one of the most significant steps in image processing. Segmenting an image is a technique that makes it possible to separate a digital image into various areas based on the different characteristics of pixels in the image.…

图像与视频处理 · 电气工程与系统科学 2024-11-20 Sina Derakhshandeh , Ali Mahloojifar

Based on an effective Lagrangian which combines chiral SU(3) dynamics with vector meson dominance, we have developed a model for the forward vector meson-nucleon scattering amplitudes. We use this as an input to calculate the low energy…

高能物理 - 唯象学 · 物理学 2007-05-23 F. Klingl , W. Weise

Single image deraining is a crucial problem because rain severely degenerates the visibility of images and affects the performance of computer vision tasks like outdoor surveillance systems and intelligent vehicles. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Hao-Hsiang Yang , Chao-Han Huck Yang , Yu-Chiang Frank Wang
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