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Breadth-first search (BFS) is a fundamental graph algorithm that presents significant challenges for parallel implementation due to irregular memory access patterns, load imbalance and synchronization overhead. In this paper, we introduce a…

分布式、并行与集群计算 · 计算机科学 2025-03-04 Marati Bhaskar , Raghavendra Kanakagiri

Jointly utilizing global and local features to improve model accuracy is becoming a popular approach for the person re-identification (ReID) problem, because previous works using global features alone have very limited capacity at…

计算机视觉与模式识别 · 计算机科学 2020-09-09 Wenpeng Li , Yongli Sun , Jinjun Wang , Han Xu , Xiangru Yang , Long Cui

Although remarkable progress has been made on single image super-resolution due to the revival of deep convolutional neural networks, deep learning methods are confronted with the challenges of computation and memory consumption in…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Dehua Song , Chang Xu , Xu Jia , Yiyi Chen , Chunjing Xu , Yunhe Wang

We present a shared-memory parallelization of flow-based refinement, which is considered the most powerful iterative improvement technique for hypergraph partitioning at the moment. Flow-based refinement works on bipartitions, so current…

数据结构与算法 · 计算机科学 2022-01-06 Lars Gottesbüren , Tobias Heuer , Peter Sanders

We propose a result-level category-specific fusion architecture called ClassWise-CRF. This architecture employs a two-stage process: first, it selects expert networks that perform well in specific categories from a pool of candidate…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Qinfeng Zhu , Yunxi Jiang , Lei Fan

Re-identification (ReID) is to identify the same instance across different cameras. Existing ReID methods mostly utilize alignment-based or attention-based strategies to generate effective feature representations. However, most of these…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Bingliang Jiao , Xin Tan , Jinghao Zhou , Lu Yang , Yunlong Wang , Peng Wang

Content addressable memory (CAM) is widely used in associative search tasks for its highly parallel pattern matching capability. To accommodate the increasingly complex and data-intensive pattern matching tasks, it is critical to keep…

In the framework of multidimensional Compressed Sensing (CS), we introduce an analytical reconstruction formula that allows one to recover an $N$th-order $(I_1\times I_2\times \cdots \times I_N)$ data tensor $\underline{\mathbf{X}}$ from a…

信息论 · 计算机科学 2015-06-19 Cesar F. Caiafa , Andrzej Cichocki

Recent advancements in federated learning (FL) seek to increase client-level performance by fine-tuning client parameters on local data or personalizing architectures for the local task. Existing methods for such personalization either…

机器学习 · 计算机科学 2024-06-11 Rishub Tamirisa , John Won , Chengjun Lu , Ron Arel , Andy Zhou

This paper considers a convolutional neural network transformation that reduces computation complexity and thus speedups neural network processing. Usage of convolutional neural networks (CNN) is the standard approach to image recognition…

计算机视觉与模式识别 · 计算机科学 2020-02-19 Elena Limonova , Alexander Sheshkus , Dmitry Nikolaev

The Breadth First Search (BFS) algorithm is the foundation and building block of many higher graph-based operations such as spanning trees, shortest paths and betweenness centrality. The importance of this algorithm increases each day due…

分布式、并行与集群计算 · 计算机科学 2017-04-04 Julian Romera

Computational protein structure determination involves optimization in a problem space much too large to exhaustively search. Existing approaches include optimization algorithms such as gradient descent and simulated annealing, but these…

分布式、并行与集群计算 · 计算机科学 2020-08-04 Michael Bryson , Xijiang Miao , Homayoun Valafar

We study the capacity of the self-attention key-query channel: for a fixed budget, how many distinct token-token relations can a single layer reliably encode? We introduce Relational Graph Recognition, where the key-query channel encodes a…

机器学习 · 计算机科学 2026-02-04 Micah Adler

This thesis develops signal-processing algorithms and implementation schemes under constraints of minimal parallelism and memory space, with the goal of improving energy efficiency of low-power computing hardware. We propose (i) a…

信号处理 · 电气工程与系统科学 2025-12-30 Sergey Salishev

Solutions to fractional models inherently exhibit non-smooth behavior, which significantly deteriorates the accuracy and therefore efficiency of existing numerical methods. We develop a two-stage data-infused computational framework for…

数值分析 · 数学 2018-10-30 Jorge L. Suzuki , Mohsen Zayernouri

Generating intelligent robot behavior in contact-rich settings is a research problem where zeroth-order methods currently prevail. Developing methods that make use of first/second order information about rigid-body dynamics in the presence…

机器人学 · 计算机科学 2026-05-26 Onur Beker , Andreas René Geist , Anselm Paulus , Georg Martius

The incremental singular value decomposition (SVD) updates a truncated SVD as new columns arrive, replacing a single large SVD with a sequence of small ones. In floating-point arithmetic, each update multiplies the running singular basis by…

数值分析 · 数学 2026-05-05 Yangwen Zhang

We present a novel method to reconstruct a fluid's 3D density and motion based on just a single sequence of images. This is rendered possible by using powerful physical priors for this strongly under-determined problem. More specifically,…

图形学 · 计算机科学 2018-06-20 Marie-Lena Eckert , Wolfgang Heidrich , Nils Thuerey

This paper proposes CF-NADE, a neural autoregressive architecture for collaborative filtering (CF) tasks, which is inspired by the Restricted Boltzmann Machine (RBM) based CF model and the Neural Autoregressive Distribution Estimator…

信息检索 · 计算机科学 2016-06-01 Yin Zheng , Bangsheng Tang , Wenkui Ding , Hanning Zhou

This paper presents a comprehensive analysis of an enhanced asynchronous AdaBoost framework for federated learning (FL), focusing on its application across five distinct domains: computer vision on edge devices, blockchain-based model…

机器学习 · 计算机科学 2025-06-12 Arthur Oghlukyan , Nuria Gomez Blas