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The sedimentation process of granular materials exists ubiquitously in nature and many fields which involve the solid-liquid separation. This paper employs the coupled computational fluid dynamics and discrete element method (CFD-DEM) to…

流体动力学 · 物理学 2017-11-07 Shan-Lin Xu , Rui Sun , Yuan-Qiang Cai , Hong-Lei Sun

Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) is a medical imaging technique that plays a crucial role in the detailed visualization and identification of tissue perfusion in abnormal lesions and radiological suggestions…

图像与视频处理 · 电气工程与系统科学 2025-02-06 Divya Bharti , Sriprabha Ramanarayanan , Sadhana S , Kishore Kumar M , Keerthi Ram , Harsh Agarwal , Ramesh Venkatesan , Mohanasankar Sivaprakasam

This article introduces an experimental emulation of a novel chunk-based flexible multi-DoF aerial 3D printing framework. The experimental demonstration of the overall autonomy focuses on precise motion planning and task allocation for a…

机器人学 · 计算机科学 2024-02-09 Marios-Nektarios Stamatopoulos , Avijit Banerjee , George Nikolakopoulos

The formation process and composition of the acrylonitrile/urea inclusion compounds (AN/UIC) with different aging times and AN/urea molar feed ratios are studied by differential scanning calorimetry (DSC) and X-ray diffraction (XRD). It is…

化学物理 · 物理学 2015-06-11 Jun-Ting Zou , Yu-Song Wang , Wen-Min Pang , Lei Shi , Fei Lu

Ultra-peripheral collisions (UPCs), studied using the ALICE detector, allow us to investigate the low-$x$ behavior of the gluon distribution of the colliding particles. Two new measurements of coherent J/$\psi$ photoproduction cross section…

核实验 · 物理学 2021-07-29 T. Herman

This paper considers a novel application of deep AUC maximization (DAM) for multi-instance learning (MIL), in which a single class label is assigned to a bag of instances (e.g., multiple 2D slices of a CT scan for a patient). We address a…

机器学习 · 计算机科学 2023-06-07 Dixian Zhu , Bokun Wang , Zhi Chen , Yaxing Wang , Milan Sonka , Xiaodong Wu , Tianbao Yang

Weakly supervised disease classification of CT imaging suffers from poor localization owing to case-level annotations, where even a positive scan can hold hundreds to thousands of negative slices along multiple planes. Furthermore, although…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Anindo Saha , Fakrul I. Tushar , Khrystyna Faryna , Vincent M. D'Anniballe , Rui Hou , Maciej A. Mazurowski , Geoffrey D. Rubin , Joseph Y. Lo

Tissue deformation in ultrasound (US) imaging leads to geometrical errors when measuring tissues due to the pressure exerted by probes. Such deformation has an even larger effect on 3D US volumes as the correct compounding is limited by the…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Zhongliang Jiang , Yue Zhou , Yuan Bi , Mingchuan Zhou , Thomas Wendler , Nassir Navab

The Suborbital Particle Aggregation and Collision Experiment (SPACE) is a novel approach to study the collision properties of submillimeter-sized, highly porous dust aggregates. The experiment was designed, built and carried out to increase…

天体物理仪器与方法 · 物理学 2015-06-16 Julie Brisset , Daniel Heißelmann , Stefan Kothe , René Weidling , Jürgen Blum

Unified multimodal models (UMMs) have emerged as a powerful paradigm in fundamental cross-modality research, demonstrating significant potential in both image understanding and generation. However, existing research in the face domain…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Junzhe Li , Sifan Zhou , Liya Guo , Xuerui Qiu , Linrui Xu , Delin Qu , Tingting Long , Chun Fan , Ming Li , Hehe Fan , Jun Liu , Shuicheng Yan

Anderson localization is a universal phenomenon affecting non-interacting quantum particles in disorder. In three spatial dimensions it becomes particularly interesting to study because of the presence of a quantum phase transition from…

Coronary artery calcium (CAC) is biomarker of advanced subclinical coronary artery disease and predicts myocardial infarction and death prior to age 60 years. The slice-wise manual delineation has been regarded as the gold standard of…

Layered manufacturing inherently suffers from staircase defects along surfaces that are gently slopped with respect to the build direction. Reducing the slice thickness improves the situation but never resolves it completely as flat layers…

图形学 · 计算机科学 2017-04-11 Hai-Chuan Song , Nicolas Ray , Dmitry Sokolov , Sylvain Lefebvre

High-throughput 2D and 3D scanning electron microscopy, which relies on automation and dependable control algorithms, requires high image quality with minimal human intervention. Classical focus and astigmatism correction algorithms attempt…

仪器与探测器 · 物理学 2023-05-10 Philipp Johannes Schubert , Rangoli Saxena , Joergen Kornfeld

The future of 3D printing utilizing unmanned aerial vehicles (UAVs) presents a promising capability to revolutionize manufacturing and to enable the creation of large-scale structures in remote and hard- to-reach areas e.g. in other…

机器人学 · 计算机科学 2023-08-24 Marios-Nektarios Stamatopoulos , Avijit Banerjee , George Nikolakopoulos

Very soft grain assemblies have unique shape-changing capabilities that allow them to be compressed far beyond the rigid jammed state by filling void spaces more effectively. However, accurately following the formation of these systems by…

Analysing coronary artery plaque segments with respect to their functional significance and therefore their influence to patient management in a non-invasive setup is an important subject of current research. In this work we compare and…

图像与视频处理 · 电气工程与系统科学 2019-12-16 Felix Denzinger , Michael Wels , Katharina Breininger , Anika Reidelshöfer , Joachim Eckert , Michael Sühling , Axel Schmermund , Andreas Maier

Atomic Layer Deposition (ALD) is a promising technique for growing ultrathin, pristine dielectrics on metal substrates, which is essential to many electronic devices. Tunnel junctions are an excellent example which require a leak-free,…

材料科学 · 物理学 2015-06-19 Alan J. Elliot , Gary A. Malek , Rongtao Lu , Siyuan Han , Haifeng Yiu , Shiping Zhao , Judy Z. Wu

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

A novel autonomous chunk-based aerial additive manufacturing framework is presented, supported with experimental demonstration advancing aerial 3D printing. An optimization-based decomposition algorithm transforms structures into…