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Dynamic Time Warping (DTW) is a well-known similarity measure for time series. The standard dynamic programming approach to compute the DTW distance of two length-$n$ time series, however, requires~$O(n^2)$ time, which is often too slow for…

数据结构与算法 · 计算机科学 2020-04-21 Vincent Froese , Brijnesh Jain , Maciej Rymar , Mathias Weller

We propose Stochastic Weight Averaging in Parallel (SWAP), an algorithm to accelerate DNN training. Our algorithm uses large mini-batches to compute an approximate solution quickly and then refines it by averaging the weights of multiple…

机器学习 · 计算机科学 2020-01-09 Vipul Gupta , Santiago Akle Serrano , Dennis DeCoste

This study proposes a coupled velocity model (CVM) that establishes the relation between the orientation and velocity using their correlation, avoiding that the existing extended object tracking (EOT) models treat them as two independent…

系统与控制 · 电气工程与系统科学 2023-08-25 Zhifei Li , Yan Liang , Linfeng Xu

The Burrows-Wheeler transform (BWT) is used by the bzip2 family of compressors. In this paper, we present a hardware architecture that implements an inplace algorithm to compute the BWT. Our design does not have explicit storage for the…

信号处理 · 电气工程与系统科学 2022-09-07 Kleber Stangherlin , Andrew Kennings

Burrows-Wheeler transform (BWT) is an invertible text transformation that, given a text $T$ of length $n$, permutes its symbols according to the lexicographic order of suffixes of $T$. BWT is one of the most heavily studied algorithms in…

数据结构与算法 · 计算机科学 2020-12-09 Dominik Kempa , Tomasz Kociumaka

This paper presents a comparative analysis of distributed training strategies for large-scale neural networks, focusing on data parallelism, model parallelism, and hybrid approaches. We evaluate these strategies on image classification…

分布式、并行与集群计算 · 计算机科学 2025-04-01 Vishnu Vardhan Baligodugula , Fathi Amsaad

Transformer models trained on long sequences often achieve higher accuracy than short sequences. Unfortunately, conventional transformers struggle with long sequence training due to the overwhelming computation and memory requirements.…

分布式、并行与集群计算 · 计算机科学 2023-11-09 Xiao Wang , Isaac Lyngaas , Aristeidis Tsaris , Peng Chen , Sajal Dash , Mayanka Chandra Shekar , Tao Luo , Hong-Jun Yoon , Mohamed Wahib , John Gouley

In this paper, we introduce Target-Aware Weighted Training (TAWT), a weighted training algorithm for cross-task learning based on minimizing a representation-based task distance between the source and target tasks. We show that TAWT is easy…

机器学习 · 计算机科学 2022-03-02 Shuxiao Chen , Koby Crammer , Hangfeng He , Dan Roth , Weijie J. Su

In recent years, the focus of bioinformatics research has moved from individual sequences to collections of sequences. Given the fundamental role of the Burrows-Wheeler Transform (BWT) in string processing, a number of dedicated tools have…

数据结构与算法 · 计算机科学 2025-05-28 Davide Cenzato , Zsuzsanna Lipták

The challenge of image generation has been effectively modeled as a problem of structure priors or transformation. However, existing models have unsatisfactory performance in understanding the global input image structures because of…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Pourya Shamsolmoali , Masoumeh Zareapoor , Huiyu Zhou , Xuelong Li , Yue Lu

DTW calculates the similarity or alignment between two signals, subject to temporal warping. However, its computational complexity grows exponentially with the number of time-series. Although there have been algorithms developed that are…

机器学习 · 计算机科学 2019-03-25 Soheil Khorram , Melvin G McInnis , Emily Mower Provost

The Burrows-Wheeler transform (BWT) is a permutation whose applications are prevalent in data compression and text indexing. The bijective BWT (BBWT) is a bijective variant of it. Although it is known that the BWT can be constructed in…

数据结构与算法 · 计算机科学 2021-04-23 Hideo Bannai , Juha Kärkkäinen , Dominik Köppl , Marcin Picatkowski

This paper studies parallelization schemes for stochastic Vector Quantization algorithms in order to obtain time speed-ups using distributed resources. We show that the most intuitive parallelization scheme does not lead to better…

机器学习 · 统计学 2012-05-14 Matthieu Durut , Benoît Patra , Fabrice Rossi

Due to the exponential growth of genomic data, constructing dedicated data structures has become the principal bottleneck in common bioinformatics applications. In particular, the Burrows-Wheeler Transform (BWT) is the basis of some of the…

数据结构与算法 · 计算机科学 2023-05-15 Francesco Masillo

We present a new scalable, lightweight algorithm to incrementally construct the BWT and FM-index of large string sets such as those produced by Next Generation Sequencing. The algorithm is designed for massive parallelism and can…

数据结构与算法 · 计算机科学 2014-10-03 Jacopo Pantaleoni

Ultra low-bit quantization brings substantial efficiency for Transformer-based models, but the accuracy degradation and limited GPU support hinder its wide usage. In this paper, we analyze zero-point distortion in binarization and propose a…

机器学习 · 计算机科学 2026-04-07 Yifu Ding , Xianglong Liu , Shenghao Jin , Jinyang Guo , Jiwen Lu

The past few years have witnessed growth in the computational requirements for training deep convolutional neural networks. Current approaches parallelize training onto multiple devices by applying a single parallelization strategy (e.g.,…

机器学习 · 计算机科学 2018-06-12 Zhihao Jia , Sina Lin , Charles R. Qi , Alex Aiken

Most neural video codecs rely on temporal conditioning, which makes them susceptible to error propagation over long sequences. While Transformer-based architectures like the VCT offer a drift-free alternative, they suffer from high…

图像与视频处理 · 电气工程与系统科学 2026-05-21 Alexander Kopte , André Kaup

In an attempt to solve the lengthy training times of neural networks, we proposed Parallel Circuits (PCs), a biologically inspired architecture. Previous work has shown that this approach fails to maintain generalization performance in…

神经与进化计算 · 计算机科学 2016-12-16 Kien Tuong Phan , Tomas Henrique Maul , Tuong Thuy Vu , Lai Weng Kin

Weight averaging is a widely used technique for accelerating training and improving the generalization of deep neural networks (DNNs). While existing approaches like stochastic weight averaging (SWA) rely on pre-set weighting schemes, they…

机器学习 · 计算机科学 2025-02-11 Tao Li , Zhehao Huang , Yingwen Wu , Zhengbao He , Qinghua Tao , Xiaolin Huang , Chih-Jen Lin