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In recent years, two competitive time series classification models, namely, ROCKET and MINIROCKET, have garnered considerable attention due to their low training cost and high accuracy. However, they rely on a large number of random 1-D…

机器学习 · 计算机科学 2024-07-26 Shaowu Chen , Weize Sun , Lei Huang , Xiaopeng Li , Qingyuan Wang , Deepu John

Few-for-many (F4M) optimization, recently introduced as a novel paradigm in multi-objective optimization, aims to find a small set of solutions that effectively handle a large number of conflicting objectives. Unlike traditional…

神经与进化计算 · 计算机科学 2026-01-13 Ke Shang , Hisao Ishibuchi , Zexuan Zhu , Qingfu Zhang

Recent studies have introduced various approaches for prompt-tuning black-box vision-language models, referred to as black-box prompt-tuning (BBPT). While BBPT has demonstrated considerable potential, it is often found that many existing…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Seonghwan Park , Jaehyeon Jeong , Yongjun Kim , Jaeho Lee , Namhoon Lee

Changepoint detection is the problem of finding abrupt or gradual changes in time series data when the distribution of the time series changes significantly. There are many sophisticated statistical algorithms for solving changepoint…

统计方法学 · 统计学 2020-10-14 Ritwik Bhaduri , Subhrajyoty Roy , Sankar K. Pal

Process monitoring and control requires detection of structural changes in a data stream in real time. This article introduces an efficient sequential Monte Carlo algorithm designed for learning unknown changepoints in continuous time. The…

应用统计 · 统计学 2015-09-29 Melissa J. M. Turcotte , Nicholas A. Heard

Pattern matching of streaming time series with lower latency under limited computing resource comes to a critical problem, especially as the growth of Industry 4.0 and Industry Internet of Things. However, against traditional single pattern…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Rong Kang , Chen Wang , Peng Wang , Yuting Ding , Jianmin Wang

Statistical change point (CP) detection methods typically rely on likelihood-based inference and ignore contextual information about plausible CP locations beyond the observed sequence. Although informative priors provide a natural way to…

统计方法学 · 统计学 2026-05-05 Jonathon Jacobs , Shanshan Chen

Token reduction accelerates Multimodal Large Language Models (MLLMs) by reducing excessive tokens, but overlooks structural redundancy differences, where critical and redundant modules process identical token loads. For fine-grained…

机器学习 · 计算机科学 2025-11-14 Aoming Liu , Reuben Tan , Boqing Gong , Bryan A. Plummer

This work introduces a kernel-independent, multilevel, adaptive algorithm for efficiently evaluating a discrete convolution kernel with a given source distribution. The method is based on linear algebraic tools such as low rank…

数值分析 · 数学 2025-07-11 Anna Yesypenko , Chao Chen , Per-Gunnar Martinsson

Predicting the long-term behavior of chaotic systems remains a formidable challenge due to their extreme sensitivity to initial conditions and the inherent limitations of traditional data-driven modeling approaches. This paper introduces a…

机器学习 · 计算机科学 2024-10-10 Dibyajyoti Chakraborty , Seung Whan Chung , Ashesh Chattopadhyay , Romit Maulik

Software fault localization remains challenging due to limited feature diversity and low precision in traditional methods. This paper proposes a novel approach that integrates multi-objective optimization with deep learning models to…

软件工程 · 计算机科学 2024-11-27 Xiaolei Hu , Dongcheng Li , W. Eric Wong , Ya Zou

In this paper, we focus on a class of constrained nonlinear optimization problems (NLP), where some of its equality constraints define a closed embedded submanifold $\mathcal{M}$ in $\mathbb{R}^n$. Although NLP can be solved directly by…

最优化与控制 · 数学 2023-04-05 Nachuan Xiao , Xin Liu , Kim-Chuan Toh

This paper introduces a new method of partitioning the solution space of a multi-objective optimisation problem for parallel processing, called Efficient Projection Partitioning. This method projects solutions down into a single dimension,…

最优化与控制 · 数学 2017-11-23 William Pettersson , Melih Ozlen

We consider the nonlinear optimization problem with least $\ell_1$-norm measure of constraint violations and introduce the concepts of the D-stationary point, the DL-stationary point and the DZ-stationary point with the help of exact…

最优化与控制 · 数学 2023-09-26 Xin-Wei Liu , Yu-Hong Dai

Efficient real-time disparity estimation is critical for the application of stereo vision systems in various areas. Recently, stereo network based on coarse-to-fine method has largely relieved the memory constraints and speed limitations of…

计算机视觉与模式识别 · 计算机科学 2020-11-19 He Dai , Xuchong Zhang , Yongli Zhao , Hongbin Sun

Pruning is an effective method for compressing Large Language Models, but finding an optimal, non-uniform layer-wise sparsity allocation remains a key challenge. While heuristic methods are fast but yield suboptimal performance, more…

机器学习 · 计算机科学 2025-11-25 Xin Yuan , Siqi Li , Jiateng Wei , Chengrui Zhu , Yanming Wu , Qingpeng Li , Jiajun Lv , Xiaoke Lan , Jun Chen , Yong Liu

We study policy optimization problems for deterministic Markov decision processes (MDPs) with metric state and action spaces, which we refer to as Metric Policy Optimization Problems (MPOPs). Our goal is to establish theoretical results on…

最优化与控制 · 数学 2022-07-14 Victor D. Dorobantu , Kamyar Azizzadenesheli , Yisong Yue

We give an improved branch-and-bound solver for the multiterminal cut problem, based on the recent work of Henzinger et al.. We contribute new, highly effective data reduction rules to transform the graph into a smaller equivalent instance.…

数据结构与算法 · 计算机科学 2020-04-27 Monika Henzinger , Alexander Noe , Christian Schulz

Asymmetric distributed constraint optimization problems (ADCOPs) are an emerging model for coordinating agents with personal preferences. However, the existing inference-based complete algorithms which use local eliminations cannot be…

多智能体系统 · 计算机科学 2019-06-05 Yanchen Deng , Ziyu Chen , Dingding Chen , Wenxin Zhang , Xingqiong Jiang

We study the fixed design segmented regression problem: Given noisy samples from a piecewise linear function $f$, we want to recover $f$ up to a desired accuracy in mean-squared error. Previous rigorous approaches for this problem rely on…

机器学习 · 计算机科学 2016-07-15 Jayadev Acharya , Ilias Diakonikolas , Jerry Li , Ludwig Schmidt