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Fast exact algorithms are known for Hamiltonian paths in undirected and directed bipartite graphs through elegant though involved algorithms that are quite different from each other. We devise algorithms that are simple and similar to each…

数据结构与算法 · 计算机科学 2025-12-10 V. Arvind , Srijan Chakraborty , Samir Datta , Asif Khan

Current diffusion-based acceleration methods for long-portrait animation struggle to ensure identity (ID) consistency. This paper presents FlashPortrait, an end-to-end video diffusion transformer capable of synthesizing ID-preserving,…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Shuyuan Tu , Yueming Pan , Yinming Huang , Xintong Han , Zhen Xing , Qi Dai , Kai Qiu , Chong Luo , Zuxuan Wu

The life of the modern world essentially depends on the work of the large artificial homogeneous networks, such as wired and wireless communication systems, networks of roads and pipelines. The support of their effective continuous…

最优化与控制 · 数学 2017-01-25 Dmitry Yu. Ignatov , Alexander N. Filippov , Andrey D. Ignatov , Xuecang Zhang

Order-independent transparency schemes rely on low-order approximations of transmittance as a function of depth. We introduce a new wavelet representation of this function and an algorithm for building and evaluating it efficiently on a…

图形学 · 计算机科学 2022-01-04 Maksim Aizenshtein , Niklas Smal , Morgan McGuire

Federated learning (FL) has received a surge of interest in recent years thanks to its benefits in data privacy protection, efficient communication, and parallel data processing. Also, with appropriate algorithmic designs, one could achieve…

机器学习 · 计算机科学 2022-08-19 Xin Zhang , Minghong Fang , Zhuqing Liu , Haibo Yang , Jia Liu , Zhengyuan Zhu

Working with exhaustive search on large dataset is infeasible for several reasons. Recently, developed techniques that made pattern set mining feasible by a general solver with long execution time that supports heuristic search and are…

人工智能 · 计算机科学 2015-07-21 Shanjida Khatun , Hasib Ul Alam , Swakkhar Shatabda

We introduce fast algorithms for correlation clustering with respect to the Min Max objective that provide constant factor approximations on complete graphs. Our algorithms are the first purely combinatorial approximation algorithms for…

数据结构与算法 · 计算机科学 2023-01-31 Sami Davies , Benjamin Moseley , Heather Newman

Affine correspondences have received significant attention due to their benefits in tasks like image matching and pose estimation. Existing methods for extracting affine correspondences still have many limitations in terms of performance;…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Pengju Sun , Banglei Guan , Zhenbao Yu , Yang Shang , Qifeng Yu , Daniel Barath

Edges are a basic and fundamental feature in image processing, that are used directly or indirectly in huge amount of applications. Inspired by the expansion of image resolution and processing power dilated convolution techniques appeared.…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Ciprian Orhei , Victor Bogdan , Cosmin Bonchis

Today, the adoption of new technologies has increased power system dynamics significantly. Traditional long-term planning studies that most utility companies perform based on discrete power levels such as peak or average values cannot…

机器学习 · 计算机科学 2021-11-05 Ming Dong

Finding efficient representations is one of the most challenging and heavily sought problems in mathematics. Representation using shearlets recently receives a lot of attention due to their desirable properties in both theory and…

数值分析 · 数学 2013-08-29 Bin Han , Xiaosheng Zhuang

Computing the Sparse Fast Fourier Transform(sFFT) of a K-sparse signal of size N has emerged as a critical topic for a long time. The sFFT algorithms decrease the runtime and sampling complexity by taking advantage of the signal inherent…

信号处理 · 电气工程与系统科学 2020-11-12 Bin Li , Zhikang Jiang , Jie Chen

MapReduce is becoming the de facto framework for storing and processing massive data, due to its excellent scalability, reliability, and elasticity. In many MapReduce applications, obtaining a compact accurate summary of data is essential.…

数据库 · 计算机科学 2011-11-01 Jeffrey Jestes , Ke Yi , Feifei Li

In radar systems, high resolution in the Doppler dimension is important for detecting slow-moving targets as it allows for more distinct separation between these targets and clutter, or stationary objects. However, achieving sufficient…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Denisa Qosja , Kilian Barth , Simon Wagner

This paper focuses on network pruning for image retrieval acceleration. Prevailing image retrieval works target at the discriminative feature learning, while little attention is paid to how to accelerate the model inference, which should be…

计算机视觉与模式识别 · 计算机科学 2020-01-27 Xiaodong Wang , Zhedong Zheng , Yang He , Fei Yan , Zhiqiang Zeng , Yi Yang

Modeling long-range interactions, the propagation of information across distant parts of a graph, is a central challenge in graph machine learning. Graph wavelets, inspired by multi-resolution signal processing, provide a principled way to…

机器学习 · 计算机科学 2025-10-14 Filippo Guerranti , Fabrizio Forte , Simon Geisler , Stephan Günnemann

We propose a new method to generate a sequence of random numbers with long-range power-law correlations that overcomes known difficulties associated with large systems. The new method presents an improvement on the commonly-used methods. We…

凝聚态物理 · 物理学 2009-10-28 Hernán A. Makse , Shlomo Havlin , Moshe Schwartz , H. Eugene Stanley

In federated learning, model personalization can be a very effective strategy to deal with heterogeneous training data across clients. We introduce WAFFLE (Weighted Averaging For Federated LEarning), a personalized collaborative machine…

机器学习 · 计算机科学 2021-12-14 Martin Beaussart , Felix Grimberg , Mary-Anne Hartley , Martin Jaggi

The Fast Fourier Transform (FFT) over a finite field $\mathbb{F}_q$ computes evaluations of a given polynomial of degree less than $n$ at a specifically chosen set of $n$ distinct evaluation points in $\mathbb{F}_q$. If $q$ or $q-1$ is a…

计算复杂性 · 计算机科学 2023-10-24 Songsong Li , Chaoping Xing

2D convolution is a staple of digital image processing. The advent of large format imagers makes it possible to literally ``pave'' with silicon the focal plane of an optical sensor, which results in very large images that can require a…

天体物理学 · 物理学 2015-05-26 Jeremy Kepner