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Existing research on action recognition treats activities as monolithic events occurring in videos. Recently, the benefits of formulating actions as a combination of atomic-actions have shown promise in improving action understanding with…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Nishant Rai , Haofeng Chen , Jingwei Ji , Rishi Desai , Kazuki Kozuka , Shun Ishizaka , Ehsan Adeli , Juan Carlos Niebles

We present Agent-to-Sim (ATS), a framework for learning interactive behavior models of 3D agents from casual longitudinal video collections. Different from prior works that rely on marker-based tracking and multiview cameras, ATS learns…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Gengshan Yang , Andrea Bajcsy , Shunsuke Saito , Angjoo Kanazawa

Successful Human-Robot collaboration requires a predictive model of human behavior. The robot needs to be able to recognize current goals and actions and to predict future activities in a given context. However, the spatio-temporal sequence…

Computer Vision and Pattern Recognition · Computer Science 2018-09-20 Judith Bütepage , Danica Kragic

Multi-agent systems often require agents to collaborate with or compete against other agents with diverse goals, behaviors, or strategies. Agent modeling is essential when designing adaptive policies for intelligent machine agents in…

Multiagent Systems · Computer Science 2025-07-29 Wenhao Ma , Yu-Cheng Chang , Jie Yang , Yu-Kai Wang , Chin-Teng Lin

In this paper, a new reinforcement learning approach is proposed which is based on a powerful concept named Active Learning Method (ALM) in modeling. ALM expresses any multi-input-single-output system as a fuzzy combination of some…

Artificial Intelligence · Computer Science 2010-11-09 Hesam Sagha , Saeed Bagheri Shouraki , Hosein Khasteh , Ali Akbar Kiaei

Temporal action localization (TAL), which involves recognizing and locating action instances, is a challenging task in video understanding. Most existing approaches directly predict action classes and regress offsets to boundaries, while…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Jiayi Shao , Xiaohan Wang , Ruijie Quan , Junjun Zheng , Jiang Yang , Yi Yang

CNN visualization and interpretation methods, like class-activation maps (CAMs), are typically used to highlight the image regions linked to class predictions. These models allow to simultaneously classify images and extract class-dependent…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Soufiane Belharbi , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

We present a new latent model of natural images that can be learned on large-scale datasets. The learning process provides a latent embedding for every image in the training dataset, as well as a deep convolutional network that maps the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 ShahRukh Athar , Evgeny Burnaev , Victor Lempitsky

Continual Learning (CL) is a powerful tool that enables agents to learn a sequence of tasks, accumulating knowledge learned in the past and using it for problem-solving or future task learning. However, existing CL methods often assume that…

Machine Learning · Computer Science 2025-06-09 Chaofan Pan , Jiafen Liu , Yanhua Li , Linbo Xiong , Fan Min , Wei Wei , Xin Yang

Unsupervised representation learning seeks to recover latent generative factors, yet standard methods relying on statistical independence often fail to capture causal dependencies. A central challenge is identifiability: as established in…

Machine Learning · Computer Science 2025-12-30 Hans Jarett J. Ong , Brian Godwin S. Lim , Dominic Dayta , Renzo Roel P. Tan , Kazushi Ikeda

This paper revisits camera pose estimation through the lens of self-supervised pretraining, focusing on inverse-dynamics pretraining as a scalable alternative to the current trend of fully supervised training with 3D annotations.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Zhengqing Wang , Saurabh Nair , Prajwal Chidananda , Pujith Kachana , Samuel Li , Matthew Brown , Yasutaka Furukawa

Action recognition has typically treated actions and activities as monolithic events that occur in videos. However, there is evidence from Cognitive Science and Neuroscience that people actively encode activities into consistent…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Jingwei Ji , Ranjay Krishna , Li Fei-Fei , Juan Carlos Niebles

A general-purpose intelligent robot must be able to learn autonomously and be able to accomplish multiple tasks in order to be deployed in the real world. However, standard reinforcement learning approaches learn separate task-specific…

Robotics · Computer Science 2018-10-17 Gregory Kahn , Adam Villaflor , Pieter Abbeel , Sergey Levine

Despite growing interest in developing legged robots that emulate biological locomotion for agile navigation of complex environments, acquiring a diverse repertoire of skills remains a fundamental challenge in robotics. Existing methods can…

Robotics · Computer Science 2025-09-29 Ning Huang , Zhentao Xie , Qinchuan Li

Generative modeling of high-dimensional data is a key problem in machine learning. Successful approaches include latent variable models and autoregressive models. The complementary strengths of these approaches, to model global and local…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Thomas Lucas , Jakob Verbeek

Spurious correlations in real-world datasets cause machine learning models to rely on irrelevant patterns, undermining reliability, generalization, and fairness. Active learning offers a promising way to address this failure mode by…

Machine Learning · Computer Science 2026-05-21 Kin Whye Chew , Jingxian Wang

This paper presents a phase-conditioned, force-aware framework for robust deformable object manipulation. Standard imitation learning policies such as Action Chunking with Transformers (ACT) rely on a Markovian assumption at inference,…

Robotics · Computer Science 2026-05-29 Dayuan Chen , Kai Tang , Yukuan Zhang , Kazuhiro Kosuge , Yasuhisa Hirata

To synthesize a realistic action sequence based on a single human image, it is crucial to model both motion patterns and diversity in the action video. This paper proposes an Action Conditional Temporal Variational AutoEncoder (ACT-VAE) to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Xiaogang Xu , Yi Wang , Liwei Wang , Bei Yu , Jiaya Jia

The unsupervised Pretraining method has been widely used in aiding human action recognition. However, existing methods focus on reconstructing the already present frames rather than generating frames which happen in future.In this paper, We…

Computer Vision and Pattern Recognition · Computer Science 2017-12-13 Yu Runsheng , Shi Zhenyu , Ma Qiongxiong , Qing Laiyun

Active learning aims to alleviate the amount of labor involved in data labeling by automating the selection of unlabeled samples via an acquisition function. For example, variational adversarial active learning (VAAL) leverages an…

Machine Learning · Computer Science 2024-08-26 Zongyao Lyu , William J. Beksi