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Lossy compression is one of the most effective methods for reducing the size of scientific data containing multiple data fields. It reduces information density through prediction or transformation techniques to compress the data. Previous…

机器学习 · 计算机科学 2024-09-30 Youyuan Liu , Wenqi Jia , Taolue Yang , Miao Yin , Sian Jin

As supercomputers advance towards exascale capabilities, computational intensity increases significantly, and the volume of data requiring storage and transmission experiences exponential growth. Adaptive Mesh Refinement (AMR) has emerged…

分布式、并行与集群计算 · 计算机科学 2023-07-20 Daoce Wang , Jesus Pulido , Pascal Grosset , Jiannan Tian , Sian Jin , Houjun Tang , Jean Sexton , Sheng Di , Zarija Lukić , Kai Zhao , Bo Fang , Franck Cappello , James Ahrens , Dingwen Tao

The explosive growth of multi-source multimedia data has significantly increased the demands for transmission and storage, placing substantial pressure on bandwidth and storage infrastructures. While Autoregressive Compression Models (ACMs)…

信息论 · 计算机科学 2025-07-28 Zeyi Lu , Xiaoxiao Ma , Yujun Huang , Minxiao Chen , Bin Chen , Baoyi An , Shu-Tao Xia

Brain-computer interfaces (BCIs) decode recorded neural signals from the brain and/or stimulate the brain with encoded neural signals. BCIs span both hardware and software and have a wide range of applications in restorative medicine, from…

软件工程 · 计算机科学 2022-03-22 Cailin Winston , Caleb Winston , Chloe N Winston , Claris Winston , Cleah Winston , Rajesh PN Rao , René Just

This paper studies the problem of fault detection and estimation (FDE) for linear time-invariant (LTI) systems with a particular focus on frequency content information of faults, possibly as multiple disjoint continuum ranges, and under…

系统与控制 · 电气工程与系统科学 2024-10-02 Jingwei Dong , Kaikai Pan , Sergio Pequito , Peyman Mohajerin Esfahani

While physics-based computing can offer speed and energy efficiency compared to digital computing, it also is subject to errors that must be mitigated. For example, many error mitigation methods have been proposed for quantum computing.…

新兴技术 · 计算机科学 2024-01-30 Maxwell Aifer , Denis Melanson , Kaelan Donatella , Gavin Crooks , Thomas Ahle , Patrick J. Coles

While neural lossy compression techniques have markedly advanced the efficiency of Channel State Information (CSI) compression and reconstruction for feedback in MIMO communications, efficient algorithms for more challenging and practical…

In scientific simulations, observations, and experiments, the cost of transferring data to and from disk and across networks has become a significant bottleneck that particularly impacts subsequent data analysis and visualization. To…

数据库 · 计算机科学 2023-08-24 Victor A. P. Magri , Peter Lindstrom

The rise of AI-powered classification techniques has ushered in a new era for data-driven Fault Detection and Diagnosis in smart building systems. While extensive research has championed supervised FDD approaches, the real-world application…

系统与控制 · 电气工程与系统科学 2023-12-19 Farivar Rajabi , J. J. McArthur

Nowadays, improving the energy efficiency of high-performance computing (HPC) systems is one of the main drivers in scientific and technological research. As large-scale HPC systems require some fault-tolerant method, the opportunities to…

分布式、并行与集群计算 · 计算机科学 2023-11-15 Marina Moran , Javier Balladini , Dolores Rexachs , Enzo Rucci

We consider the problem of identifying a pattern of faults from a set of noisy linear measurements. Unfortunately, maximum a posteriori probability estimation of the fault pattern is computationally intractable. To solve the fault…

信息论 · 计算机科学 2015-03-13 Danny Bickson , Dror Baron , Alex T. Ihler , Harel Avissar , Danny Dolev

Low Density Parity Check (LDPC) codes are linear error correcting codes used in communication systems for Forward Error Correction (FEC). But, intensive computation is required for encoding and decoding of LDPC codes, making it difficult…

分布式、并行与集群计算 · 计算机科学 2022-01-13 Bhargav Gokalgandhi , Ivan Seskar

In this work, we present a novel inner product design for stochastic computing. Stochastic computing is an emerging computing technique, that encodes a number in the probability of observing a one in a random bit stream. This leads to…

新兴技术 · 计算机科学 2018-11-21 Werner Haselmayr , Daniel Wiesinger , Michael Lunglmayr

The sequential fully implicit (SFI) scheme was introduced (Jenny et al. 2006) for solving coupled flow and transport problems. Each time step for SFI consists of an outer loop, in which there are inner Newton loops to implicitly and…

数值分析 · 数学 2021-08-05 Jiamin Jiang , Pavel Tomin , Yifan Zhou

Satellites are used for a multitude of applications, including communications, Earth observation, and space science. Neural networks and deep learning-based approaches now represent the state-of-the-art to enhance the performance and…

机器学习 · 计算机科学 2025-11-18 Gabriele Greco , Carlo Cena , Umberto Albertin , Mauro Martini , Marcello Chiaberge

Compressing integer keys is a fundamental operation among multiple communities, such as database management (DB), information retrieval (IR), and high-performance computing (HPC). Recent advances in \emph{learned indexes} have inspired the…

数据库 · 计算机科学 2024-12-17 Qiyu Liu , Siyuan Han , Jianwei Liao , Jin Li , Jingshu Peng , Jun Du , Lei Chen

Application partitioning and code offloading are being researched extensively during the past few years. Several frameworks for code offloading have been proposed. However, fewer works attempted to address issues occurred with its…

分布式、并行与集群计算 · 计算机科学 2021-09-21 Nevin Vunka Jungum , Nawaz Mohamudally , Nimal Nissanke

A standard format used for storing the output of high-throughput sequencing experiments is the FASTQ format. It comprises three main components: (i) headers, (ii) bases (nucleotide sequences), and (iii) quality scores. FASTQ files are…

数据结构与算法 · 计算机科学 2023-04-19 Veronica Guerrini , Felipe A. Louza , Giovanna Rosone

Today's large-scale scientific applications running on high-performance computing (HPC) systems generate vast data volumes. Thus, data compression is becoming a critical technique to mitigate the storage burden and data-movement cost.…

分布式、并行与集群计算 · 计算机科学 2023-05-04 Boyuan Zhang , Jiannan Tian , Sheng Di , Xiaodong Yu , Yunhe Feng , Xin Liang , Dingwen Tao , Franck Cappello

The error floor phenomenon, associated with iterative decoders, is one of the most significant limitations to the applications of low-density parity-check (LDPC) codes. A variety of techniques from code design to decoder implementation have…

信息论 · 计算机科学 2022-02-16 Yaoyu Tao , Shuanghong Sun , Zhengya Zhang