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Influence function, a technique rooted in robust statistics, has been adapted in modern machine learning for a novel application: data attribution -- quantifying how individual training data points affect a model's predictions. However, the…

Machine Learning · Computer Science 2024-12-03 Junwei Deng , Weijing Tang , Jiaqi W. Ma

Visual imitation learning provides an effective framework to learn skills from demonstrations. However, the quality of the provided demonstrations usually significantly affects the ability of an agent to acquire desired skills. Therefore,…

Robotics · Computer Science 2023-03-02 Ray Chen Zheng , Kaizhe Hu , Zhecheng Yuan , Boyuan Chen , Huazhe Xu

The majority of language model training builds on imitation learning. It covers pretraining, supervised fine-tuning, and affects the starting conditions for reinforcement learning from human feedback (RLHF). The simplicity and scalability…

Vortex-induced vibration (VIV) is a typical nonlinear fluid-structure interaction phenomenon, which widely exists in practical engineering (the flexible riser, the bridge and the aircraft wing, etc). The conventional finite element model…

Fluid Dynamics · Physics 2021-12-30 Hesheng Tang , Hu Yang , Yangyang Liao , Liyu Xie

Inverse Reinforcement Learning (IRL) is a powerful set of techniques for imitation learning that aims to learn a reward function that rationalizes expert demonstrations. Unfortunately, traditional IRL methods suffer from a computational…

Machine Learning · Computer Science 2024-01-31 Gokul Swamy , Sanjiban Choudhury , J. Andrew Bagnell , Zhiwei Steven Wu

Vertical Federated Learning (VFL) has garnered significant attention as a privacy-preserving machine learning framework for sample-aligned feature federation. However, traditional VFL approaches do not address the challenges of class and…

Machine Learning · Computer Science 2025-08-06 Shuo Wang , Keke Gai , Jing Yu , Liehuang Zhu , Qi Wu

Imitation learning demonstrates remarkable performance in various domains. However, imitation learning is also constrained by many prerequisites. The research community has done intensive research to alleviate these constraints, such as…

Neural and Evolutionary Computing · Computer Science 2023-01-19 Boyuan Zheng , Jianlong Zhou , Fang Chen

Wi-Fi sensing detects human motions and activities by analysing the channel state information (CSI) derived from Wi-Fi transmissions. However, the impact of variable transmission traffic, which dictates the effective sampling rate and…

Machine Learning · Computer Science 2026-05-12 Guolin Yin , Junqing Zhang , Guanxiong Shen , Simon L. Cotton

Plasticity and stability are needed in class-incremental learning in order to learn from new data while preserving past knowledge. Due to catastrophic forgetting, finding a compromise between these two properties is particularly challenging…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Grégoire Petit , Adrian Popescu , Eden Belouadah , David Picard , Bertrand Delezoide

Visual imitation learning (VIL) provides an efficient and intuitive strategy for robotic systems to acquire novel skills. Recent advancements in foundation models, particularly Vision Language Models (VLMs), have demonstrated remarkable…

Robotics · Computer Science 2025-07-29 Guangyan Chen , Meiling Wang , Te Cui , Yao Mu , Haoyang Lu , Zicai Peng , Mengxiao Hu , Tianxing Zhou , Mengyin Fu , Yi Yang , Yufeng Yue

Variational Bayes (VB) is a popular estimation method for Bayesian inference. However, most existing VB algorithms are restricted to cases where the likelihood is tractable, which precludes their use in many important situations. Tran et…

Methodology · Statistics 2017-05-19 David Gunawan , Minh-Ngoc Tran , Robert Kohn

Continual learning focuses on incrementally training a model on a sequence of tasks with the aim of learning new tasks while minimizing performance drop on previous tasks. Existing approaches at the intersection of Continual Learning and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Malvina Nikandrou , Georgios Pantazopoulos , Ioannis Konstas , Alessandro Suglia

Video frame interpolation (VFI) works generally predict intermediate frame(s) by first estimating the motion between inputs and then warping the inputs to the target time with the estimated motion. This approach, however, is not optimal…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Dawit Mureja Argaw , In So Kweon

With the development of Vision Foundation Models (VFMs) in recent years, Visual In-Context Learning (VICL) has become a better choice compared to modifying models in most scenarios. Different from retraining or fine-tuning model, VICL does…

Artificial Intelligence · Computer Science 2025-01-16 Yan Zhu , Huan Ma , Changqing Zhang

Few-Shot Class Incremental Learning (FSCIL) is a challenging continual learning task, where limited training examples are available during several learning sessions. To succeed in this task, it is necessary to avoid over-fitting new classes…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Marco D'Alessandro , Alberto Alonso , Enrique Calabrés , Mikel Galar

Imitation learning trains a policy from expert demonstrations. Imitation learning approaches have been designed from various principles, such as behavioral cloning via supervised learning, apprenticeship learning via inverse reinforcement…

Machine Learning · Computer Science 2019-11-19 Tian Xu , Ziniu Li , Yang Yu

Video frame interpolation (VFI) is the task that synthesizes the intermediate frame given two consecutive frames. Most of the previous studies have focused on appropriate frame warping operations and refinement modules for the warped…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Sangjin Lee , Hyeongmin Lee , Chajin Shin , Hanbin Son , Sangyoun Lee

Video frame interpolation (VFI) aims to generate predictive frames by warping learnable motions from the bidirectional historical references. Most existing works utilize spatio-temporal semantic information extractor to realize motion…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Meiqin Liu , Chenming Xu , Chao Yao , Chunyu Lin , Yao Zhao

Real-time video frame interpolation (VFI) is very useful in video processing, media players, and display devices. We propose RIFE, a Real-time Intermediate Flow Estimation algorithm for VFI. To realize a high-quality flow-based VFI method,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Zhewei Huang , Tianyuan Zhang , Wen Heng , Boxin Shi , Shuchang Zhou

Continual learning refers to the ability to acquire and transfer knowledge without catastrophically forgetting what was previously learned. In this work, we consider \emph{few-shot} continual learning in classification tasks, and we propose…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Mengmi Zhang , Tao Wang , Joo Hwee Lim , Gabriel Kreiman , Jiashi Feng