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Despite the rapid growth in datasets for video activity, stable robust activity recognition with neural networks remains challenging. This is in large part due to the explosion of possible variation in video -- including lighting changes,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Yi Zhang , Xinyue Wei , Weichao Qiu , Zihao Xiao , Gregory D. Hager , Alan Yuille

Real-world time series often exhibit a non-stationary nature, degrading the performance of pre-trained forecasting models. Test-Time Adaptation (TTA) addresses this by adjusting models during inference, but existing methods typically update…

Machine Learning · Computer Science 2025-07-01 Heitor R. Medeiros , Hossein Sharifi-Noghabi , Gabriel L. Oliveira , Saghar Irandoust

Adaptations facilitate efficient training of large backbone models, including diffusion models for image generation and transformer-based language models. While various adaptation techniques enhance performance with minimal computational…

Machine Learning · Computer Science 2025-06-06 Jae Wan Park , Junhyeok Kim , Youngjun Jun , Hyunah Ko , Seong Jae Hwang

Data augmentation (DA) is a crucial technique for enhancing the sample efficiency of visual reinforcement learning (RL) algorithms. Notably, employing simple observation transformations alone can yield outstanding performance without extra…

Machine Learning · Computer Science 2023-10-30 Guozheng Ma , Linrui Zhang , Haoyu Wang , Lu Li , Zilin Wang , Zhen Wang , Li Shen , Xueqian Wang , Dacheng Tao

Time series data is fundamental to decision-making across many domains including healthcare, finance, power systems, and logistics. However, analyzing this data correctly often requires incorporating unstructured contextual information,…

Machine Learning · Computer Science 2026-03-17 Felix Parker , Nimeesha Chan , Chi Zhang , Kimia Ghobadi

Data centers handle vast volumes of data that require efficient lossless compression, yet emerging probabilistic models based methods are often computationally slow. To address this, we introduce RAS, the Range Asymmetric Numeral System…

Hardware Architecture · Computer Science 2025-11-10 Yuchao Qin , Anjunyi Fan , Bonan Yan

Despite the success of deep neural networks (DNNs) for real-world applications over time-series data such as mobile health, little is known about how to train robust DNNs for time-series domain due to its unique characteristics compared to…

Machine Learning · Computer Science 2022-07-14 Taha Belkhouja , Yan Yan , Janardhan Rao Doppa

While automatic speech recognition (ASR) systems have achieved remarkable performance with large-scale datasets, their efficacy remains inadequate in low-resource settings, encompassing dialects, accents, minority languages, and long-tail…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-23 Guanrou Yang , Fan Yu , Ziyang Ma , Zhihao Du , Zhifu Gao , Shiliang Zhang , Xie Chen

An efficient customer service management system hinges on precise forecasting of service volume. In this scenario, where data non-stationarity is pronounced, successful forecasting heavily relies on identifying and leveraging similar…

Machine Learning · Computer Science 2024-06-18 Tianfeng Wang , Gaojie Cui

Continuous efforts are being made to advance anomaly detection in various manufacturing processes to increase the productivity and safety of industrial sites. Deep learning replaced rule-based methods and recently emerged as a promising…

Machine Learning · Computer Science 2024-06-28 Kukjin Choi , Jihun Yi , Jisoo Mok , Sungroh Yoon

Time series modeling is crucial for many applications, however, it faces challenges such as complex spatio-temporal dependencies and distribution shifts in learning from historical context to predict task-specific outcomes. To address these…

Artificial Intelligence · Computer Science 2024-08-28 Chidaksh Ravuru , Sagar Srinivas Sakhinana , Venkataramana Runkana

This article introduces a novel methodology for the massive parallelization of projection-based depths, addressing the computational challenges of data depth in high-dimensional spaces. We propose an algorithmic framework based on Refined…

Computation · Statistics 2025-06-11 Leonardo Leone , Pavlo Mozharovskyi , David Bounie

Data augmentation methods have played an important role in the recent advance of deep learning models, and have become an indispensable component of state-of-the-art models in semi-supervised, self-supervised, and supervised training for…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Emirhan Kurtulus , Zichao Li , Yann Dauphin , Ekin Dogus Cubuk

Retrieval-augmented generation (RAG) pipelines have become the de-facto approach for building AI assistants with access to external, domain-specific knowledge. Given a user query, RAG pipelines typically first retrieve (R) relevant…

Human-Computer Interaction · Computer Science 2025-04-21 Quentin Romero Lauro , Shreya Shankar , Sepanta Zeighami , Aditya Parameswaran

Large Language Models (LLMs) like GPT-3.5-Turbo are increasingly used to assist software development, yet they often produce incomplete code or incorrect imports, especially when lacking access to external or project-specific documentation.…

LLMs are highly sensitive to prompt design, but handcrafting effective prompts is difficult and often requires intricate crafting of few-shot examples. We propose a fast automatic prompt construction algorithm that augments human…

Computation and Language · Computer Science 2026-04-08 Pawel Batorski , Paul Swoboda

Time series forecasting, particularly in few-shot learning scenarios, is challenging due to the limited availability of high-quality training data. To address this, we present a pilot study on using reinforcement learning (RL) for time…

Machine Learning · Computer Science 2025-05-23 Haochen Yuan , Yutong Wang , Yihong Chen , Yunbo Wang , Xiaokang Yang

In recent years, Automated Program Repair (APR) has been extensively studied in academia and even drawn wide attention from industry. However, APR techniques can be extremely time consuming since (1) a large number of patches can be…

Software Engineering · Computer Science 2024-07-03 Yiling Lou , Jun Yang , Samuel Benton , Dan Hao , Lin Tan , Zhenpeng Chen , Lu Zhang , Lingming Zhang

Retrieval-augmented generation (RAG) is a central component of modern LLM systems, particularly in scenarios where up-to-date information is crucial for accurately responding to user queries or when queries exceed the scope of the training…

Machine Learning · Computer Science 2026-04-08 Kutay Tire , Ege Onur Taga , Muhammed Emrullah Ildiz , Samet Oymak

In this work, we investigate improving the runtime performance of key computational kernels in the Python Tensor Toolbox (pyttb), a package for analyzing tensor data across a wide variety of applications. Recent runtime performance…

Mathematical Software · Computer Science 2025-10-03 Kimmie Harding , Daniel M. Dunlavy