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Driven by artificial intelligence, data science, and high-resolution simulations, I/O workloads and hardware on high-performance computing (HPC) systems have become increasingly complex. This complexity can lead to large I/O overheads and…

分布式、并行与集群计算 · 计算机科学 2025-01-03 Hammad Ather , Jean Luca Bez , Chen Wang , Hank Childs , Allen D. Malony , Suren Byna

Hypercomplex image processing extends conventional techniques in a unified paradigm encompassing algebraic and geometric principles. This work leverages quaternions and the two-dimensional orthogonal planes split framework (splitting of a…

Very high resolution (VHR) mapping through remote sensing (RS) imagery presents a new opportunity to inform decision-making and sustainable practices in countless domains. Efficient processing of big VHR data requires automated tools…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Henry Cording , Yves Plancherel , Pablo Brito-Parada

High performance computing (HPC) has driven collaborative science discovery for decades. Exascale computing platforms, currently in the design stage, will be deployed around 2022. The next generation of supercomputers is expected to utilize…

人机交互 · 计算机科学 2015-10-22 Nan-Chen Chen , Sarah S. Poon , Lavanya Ramakrishnan , Cecilia R. Aragon

Accurate and comprehensive measurements of a range of sustainable development outcomes are fundamental inputs into both research and policy. We synthesize the growing literature that uses satellite imagery to understand these outcomes, with…

计算机与社会 · 计算机科学 2020-10-15 Marshall Burke , Anne Driscoll , David B. Lobell , Stefano Ermon

We present a high-performance, graphics processing unit (GPU)-based framework for the efficient analysis and visualization of (nearly) terabyte (TB)-sized 3-dimensional images. Using a cluster of 96 GPUs, we demonstrate for a 0.5 TB image:…

天体物理仪器与方法 · 物理学 2015-06-12 A. H. Hassan , C. J. Fluke , D. G. Barnes , V. A. Kilborn

High-resolution spectrographs open a detailed window onto the atmospheres of stars and planets. As the number of systems observed with different instruments grows, it is crucial to develop a standard in analyzing spectral time series of…

Satellites have become more widely available due to the reduction in size and cost of their components. As a result, there has been an advent of smaller organizations having the ability to deploy satellites with a variety of data-intensive…

机器学习 · 计算机科学 2023-06-28 Robert Bayer , Julian Priest , Pınar Tözün

In situ approaches can accelerate the pace of scientific discoveries by allowing scientists to perform data analysis at simulation time. Current in situ workflow systems, however, face challenges in handling the growing complexity and…

分布式、并行与集群计算 · 计算机科学 2024-04-05 Orcun Yildiz , Dmitriy Morozov , Arnur Nigmetov , Bogdan Nicolae , Tom Peterka

As the particle physics community needs higher and higher precisions in order to test our current model of the subatomic world, larger and larger datasets are necessary. With upgrades scheduled for the detectors of colliding-beam…

数据分析、统计与概率 · 物理学 2025-09-09 Fotis I. Giasemis

Many creative ideas are being proposed for image sensor designs, and these may be useful in applications ranging from consumer photography to computer vision. To understand and evaluate each new design, we must create a corresponding image…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Haomiao Jiang , Qiyuan Tian , Joyce Farrell , Brian Wandell

High-Performance Computing (HPC) systems provide input/output (IO) performance growing relatively slowly compared to peak computational performance and have limited storage capacity. Computational Fluid Dynamics (CFD) applications aiming to…

性能 · 计算机科学 2024-07-31 Yi Ju , Adalberto Perez , Stefano Markidis , Philipp Schlatter , Erwin Laure

The growth of the amount of medical image data produced on a daily basis in modern hospitals forces the adaptation of traditional medical image analysis and indexing approaches towards scalable solutions. The number of images and their…

分布式、并行与集群计算 · 计算机科学 2015-10-26 Dimitrios Markonis , Roger Schaer , Ivan Eggel , Henning Müller , Adrien Depeursinge

The scale of scientific High Performance Computing (HPC) and High Throughput Computing (HTC) has increased significantly in recent years, and is becoming sensitive to total energy use and cost. Energy-efficiency has thus become an important…

分布式、并行与集群计算 · 计算机科学 2014-10-14 David Abdurachmanov , Peter Elmer , Giulio Eulisse , Robert Knight , Tapio Niemi , Jukka K. Nurminen , Filip Nyback , Goncalo Pestana , Zhonghong Ou , Kashif Khan

Pulsar data analysis pipelines have historically been comprised of bespoke software systems, supporting the off-line analysis of data. However modern data acquisition systems are making off-line analyses impractical. They often output…

天体物理仪器与方法 · 物理学 2018-10-16 R. J. Lyon , B. W. Stappers , L. Levin , M. B. Mickaliger , A. Scaife

Molecular dynamics (MD) simulations are widely used to study large-scale molecular systems. HPC systems are ideal platforms to run these studies, however, reaching the necessary simulation timescale to detect rare processes is challenging,…

分布式、并行与集群计算 · 计算机科学 2022-08-22 Tu Mai Anh Do , Loïc Pottier , Rafael Ferreira da Silva , Frédéric Suter , Silvina Caíno-Lores , Michela Taufer , Ewa Deelman

The exploitation of large-scale population data has the potential to improve healthcare by discovering and understanding patterns and trends within this data. To enable high throughput analysis of cardiac imaging data automatically, a…

图像与视频处理 · 电气工程与系统科学 2019-01-14 Rahman Attar , Marco Pereanez , Ali Gooya , Xenia Alba , Le Zhang , Stefan K. Piechnik , Stefan Neubauer , Steffen E. Petersen , Alejandro F. Frangi

In our former works we have made serious efforts to improve the performance of medical image analysis methods with using ensemble-based systems. In this paper, we present a novel hardware-based solution for the efficient adoption of our…

图像与视频处理 · 电气工程与系统科学 2018-06-19 Laszlo Kovacs , Roland Kovacs , Andras Hajdu

Scientific workflows are critical to scientific data analysis and often involve computationally intensive processing of large datasets on compute clusters. As such, their execution tends to be long-running and resource-intensive, resulting…

分布式、并行与集群计算 · 计算机科学 2026-03-09 Kathleen West , Youssef Moawad , Fabian Lehmann , Vasilis Bountris , Ulf Leser , Yehia Elkhatib , Lauritz Thamsen

The advent of experimental science facilities-instruments and observatories, such as the Large Hadron Collider, the Laser Interferometer Gravitational Wave Observatory, and the upcoming Large Synoptic Survey Telescope-has brought about…

分布式、并行与集群计算 · 计算机科学 2019-02-12 E. A. Huerta , Roland Haas , Shantenu Jha , Mark Neubauer , Daniel S. Katz