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Gait recognition is one of the most promising video-based biometric technologies. The edge of silhouettes and motion are the most informative feature and previous studies have explored them separately and achieved notable results. However,…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Yan Sun , Hu Long , Xueling Feng , Mark Nixon

Data augmentation is a crucial tool in time series forecasting, especially for deep learning architectures that require a large training sample size to generalize effectively. However, extensive datasets are not always available in…

机器学习 · 计算机科学 2026-01-28 Luis Amorim , Moises Santos , Paulo J. Azevedo , Carlos Soares , Vitor Cerqueira

We propose TRACIE, a novel temporal reasoning dataset that evaluates the degree to which systems understand implicit events -- events that are not mentioned explicitly in natural language text but can be inferred from it. This introduces a…

计算与语言 · 计算机科学 2021-05-11 Ben Zhou , Kyle Richardson , Qiang Ning , Tushar Khot , Ashish Sabharwal , Dan Roth

Effective anomaly detection in time series is pivotal for modern industrial applications and financial systems. Due to the scarcity of anomaly labels and the high cost of manual labeling, reconstruction-based unsupervised approaches have…

机器学习 · 计算机科学 2025-09-25 Tiejun Wang , Rui Wang , Xudong Mou , Mengyuan Ma , Tianyu Wo , Renyu Yang , Xudong Liu

Local feature matching aims at finding correspondences between a pair of images. Although current detector-free methods leverage Transformer architecture to obtain an impressive performance, few works consider maintaining local consistency.…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Jiahuan Yu , Jiahao Chang , Jianfeng He , Tianzhu Zhang , Feng Wu

Deep learning has made significant advances in creating efficient representations of time series data by automatically identifying complex patterns. However, these approaches lack interpretability, as the time series is transformed into a…

机器学习 · 计算机科学 2023-10-26 Etienne Le Naour , Ghislain Agoua , Nicolas Baskiotis , Vincent Guigue

Time series classification is a task of paramount importance, as this kind of data often arises in safety-critical applications. However, it is typically tackled with black-box deep learning methods, making it hard for humans to understand…

机器学习 · 计算机科学 2025-11-07 Irene Ferfoglia , Simone Silvetti , Gaia Saveri , Laura Nenzi , Luca Bortolussi

Unsupervised Domain Adaptation (UDA) aims to harness labeled source data to train models for unlabeled target data. Despite extensive research in domains like computer vision and natural language processing, UDA remains underexplored for…

机器学习 · 计算机科学 2025-07-29 Hassan Ismail Fawaz , Ganesh Del Grosso , Tanguy Kerdoncuff , Aurelie Boisbunon , Illyyne Saffar

The ability of the deep learning model to recognize when a sample falls outside its learned distribution is critical for safe and reliable deployment. Recent state-of-the-art out-of-distribution (OOD) detection methods leverage activation…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Sudarshan Regmi

In this paper, we consider the problem of fast and efficient indexing techniques for sequences evolving in non-Euclidean spaces. This problem has several applications in the areas of human activity analysis, where there is a need to perform…

计算机视觉与模式识别 · 计算机科学 2015-02-17 Rushil Anirudh , Pavan Turaga

Time Series Foundation Models (TSFMs) excel at numerical forecasting but operate as black boxes lacking qualitative reasoning. Conversely, applying LLMs directly to temporal data introduces a modality gap: text tokenizers fragment…

机器学习 · 计算机科学 2026-05-12 Md Atik Ahamed , Mihir Parmar , Palash Goyal , Chun-Liang Li , Qiang Cheng , Tomas Pfister , Jinsung Yoon

We introduce MADGRAD, a novel optimization method in the family of AdaGrad adaptive gradient methods. MADGRAD shows excellent performance on deep learning optimization problems from multiple fields, including classification and…

机器学习 · 计算机科学 2021-08-27 Aaron Defazio , Samy Jelassi

We propose an efficient fine-tuning method for time series foundation models, termed TRACE: Time Series Parameter Efficient Fine-tuning. While pretrained time series foundation models are gaining popularity, they face the following…

机器学习 · 计算机科学 2025-11-24 Yuze Li , Wei Zhu

We provide a static data structure for distance estimation which supports {\it adaptive} queries. Concretely, given a dataset $X = \{x_i\}_{i = 1}^n$ of $n$ points in $\mathbb{R}^d$ and $0 < p \leq 2$, we construct a randomized data…

数据结构与算法 · 计算机科学 2020-12-17 Yeshwanth Cherapanamjeri , Jelani Nelson

Graph Domain Adaptation (GDA) transfers knowledge from labeled source graphs to unlabeled target graphs but is challenged by complex, multi-faceted distributional shifts. Existing methods attempt to reduce distributional shifts by aligning…

机器学习 · 计算机科学 2026-03-19 Wei Chen , Xingyu Guo , Shuang Li , Zhao Zhang , Yan Zhong , Fuzhen Zhuang , Deqing wang

We introduce Deep Adaptive Design (DAD), a method for amortizing the cost of adaptive Bayesian experimental design that allows experiments to be run in real-time. Traditional sequential Bayesian optimal experimental design approaches…

机器学习 · 统计学 2021-06-14 Adam Foster , Desi R. Ivanova , Ilyas Malik , Tom Rainforth

Diffusion models have demonstrated strong generative capabilities across domains ranging from image synthesis to complex reasoning tasks. However, most inference-time scaling methods rely on fixed denoising schedules, limiting their ability…

机器学习 · 计算机科学 2025-10-28 Gyubin Lee , Truong Nhat Nguyen Bao , Jaesik Yoon , Dongwoo Lee , Minsu Kim , Yoshua Bengio , Sungjin Ahn

Time series mining is an important branch of data mining, as time series data is ubiquitous and has many applications in several domains. The main task in time series mining is classification. Time series representation methods play an…

机器学习 · 计算机科学 2021-12-28 Muhammad Marwan Muhammad Fuad

The surge in the significance of time series in digital health domains necessitates advanced methodologies for extracting meaningful patterns and representations. Self-supervised contrastive learning has emerged as a promising approach for…

机器学习 · 计算机科学 2025-09-25 Kevin Garcia , Cassandra Garza , Brooklyn Berry , Yifeng Gao

Evaluating graphs learned by causal discovery algorithms is difficult: The number of edges that differ between two graphs does not reflect how the graphs differ with respect to the identifying formulas they suggest for causal effects. We…

机器学习 · 统计学 2024-07-12 Leonard Henckel , Theo Würtzen , Sebastian Weichwald