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Compact wearable mapping system (WMS) has gained significant attention due to their convenience in various applications. Specifically, it provides an efficient way to collect prior maps for 3D structure inspection and robot-based "last-mile…

机器人学 · 计算机科学 2024-03-22 Jianping Li , Shenghai Yuan , Muqing Cao , Thien-Minh Nguyen , Kun Cao , Lihua Xie

Significance: Cervical cancer progresses through cervical intraepithelial neoplasia (CIN), which are precursor lesions of cervical cancer. In low-grade CIN, atypical cells generate inside the squamous epithelium, which causes the accuracy…

Scattering of electronic waves in square and triangular lattice half-planes by a step on the surface is analyzed using the nearest-neighbour tight binding approximation. The changes in lattice spacing and the transfer integral between…

介观与纳米尺度物理 · 物理学 2019-09-04 Basant Lal Sharma

Wireless capsule endoscopy is a medical procedure used to visualize the entire gastrointestinal tract and to diagnose intestinal conditions, such as polyps or bleeding. Current analyses are performed by manually inspecting nearly each one…

图像与视频处理 · 电气工程与系统科学 2020-10-05 Pablo Laiz , Jordi Vitrià , Hagen Wenzek , Carolina Malagelada , Fernando Azpiroz , Santi Seguí

It has always been a big challenge to identify subtle changes in Electroencephalogram (EEG) signals. Minor differences often lead to vital decisions, for example, which grade a certain tumour belong to or whether a haemorrhage can result in…

系统与控制 · 电气工程与系统科学 2022-06-01 Debojyoti Seth

Accurate segmentation of Multiple Sclerosis (MS) lesions in longitudinal MRI scans is crucial for monitoring disease progression and treatment efficacy. Although changes across time are taken into account when assessing images in clinical…

Solute transport in fluid-particle systems is a fundamental process in numerous scientific and engineering disciplines. The simulation of it necessitates the consideration of solid particles with intricate shapes and sizes. To address this…

计算工程、金融与科学 · 计算机科学 2023-08-10 Yifeng Zhao , Pei Zhang , Stan Z. Li , S. A. Galindo-Torres

This paper proposes a novel multimodal deep learning framework integrating bidirectional LSTM, multi-head attention mechanism, and variational mode decomposition (BiLSTM-AM-VMD) for early liver cancer diagnosis. Using heterogeneous data…

机器学习 · 计算机科学 2025-09-03 Cheng Cheng , Zeping Chen , Xavier Wang

Experimental analysis of cavitation bubble dynamics typically uses optical imaging. However, images are often severely affected by distortions and shadows due to refraction and total reflection at the liquid--gas interface. Here it is shown…

Purpose: Spinal instability is a widespread condition that causes pain, fatigue, and restricted mobility, profoundly affecting patients' quality of life. In clinical practice, the gold standard for diagnosis is dynamic X-ray imaging.…

医学物理 · 物理学 2026-02-16 Feng Li , Yuan Bi , Tianyu Song , Zhongliang Jiang , Nassir Navab

This work is a numerical study of a transitional shock wave boundary layer interaction (SWBLI). The main goal is to improve our understanding of the well known low-frequency SWBLI unsteadiness and especially the suspected role of triadic…

Using the Jacobi Elliptic Functions, an analytical solution is developed for the nonlinear amplitude equation of Surface Plasmon Polaritons (SPPs) in a graphene-dielectric waveguide. It is shown that the field localization of SPPs coupled…

光学 · 物理学 2020-09-15 Morteza A. Sharif

Holographic light potentials generated by phase-modulating liquid-crystal spatial light modulators (SLMs) are widely used in quantum technology applications. Accurate calibration of the wavefront and intensity profile of the laser beam at…

光学 · 物理学 2025-06-13 P. Schroff , E. Haller , S. Kuhr , A. La Rooij

In order to pursue high-precision beam position measurements for the free-electron laser (FEL) facilities, cavity beam position monitor (CBPM) is employed to measure the transverse position which can meet the requirement of position…

加速器物理 · 物理学 2017-04-14 Jian Chen , Yong-bin Leng , Lu-yang Yu , Long-wei Lai , Ren-xian Yuan

White matter hyperintensities (WMH) are radiological markers of small vessel disease and neurodegeneration, whose accurate segmentation and spatial localization are crucial for diagnosis and monitoring. While multimodal MRI offers…

图像与视频处理 · 电气工程与系统科学 2025-06-30 Julia Machnio , Sebastian Nørgaard Llambias , Mads Nielsen , Mostafa Mehdipour Ghazi

This paper presents a hybrid real-time camera pose estimation framework with a novel partitioning scheme and introduces motion averaging to monocular Simultaneous Localization and Mapping (SLAM) systems. Breaking through the limitations of…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Xinyi Li , Haibin Ling

Hard particle erosion and cavitation damage are two main wear problems that can affect the internal components of hydraulic machinery such as hydraulic turbines or pumps. If both problems synergistically act together, the damage can be more…

流体动力学 · 物理学 2018-10-30 Leonel A. Teran , Sara A. Rodriguez , Santiago Laín , Sunghwan Jung

We present a focal liver lesion detection model leveraged by custom-designed multi-phase computed tomography (CT) volumes, which reflects real-world clinical lesion detection practice using a Single Shot MultiBox Detector (SSD). We show…

计算机视觉与模式识别 · 计算机科学 2018-07-03 Sang-gil Lee , Jae Seok Bae , Hyunjae Kim , Jung Hoon Kim , Sungroh Yoon

In this study a single laser pulse spatially shaped into a ring is focused into a thin water layer, creating an annular cavitation bubble and cylindrical shock waves: an outer shock that diverges away from the excitation laser ring and an…

Accurately quantifying swelling of alloys that have undergone irradiation is essential for understanding alloy performance in a nuclear reactor and critical for the safe and reliable operation of reactor facilities. However, typical…

材料科学 · 物理学 2022-08-03 Ryan Jacobs , Priyam Patki , Matthew Lynch , Steven Chen , Dane Morgan , Kevin G. Field