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Road user trajectory prediction in dynamic environments is a challenging but crucial task for various applications, such as autonomous driving. One of the main challenges in this domain is the multimodal nature of future trajectories…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Younwoo Choi , Ray Coden Mercurius , Soheil Mohamad Alizadeh Shabestary , Amir Rasouli

In autonomous driving scenarios, the collected LiDAR point clouds can be challenged by occlusion and long-range sparsity, limiting the perception of autonomous driving systems. Scene completion methods can infer the missing parts of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Andrea Matteazzi , Dietmar Tutsch

Learning robust visuomotor policies that generalize across diverse objects and interaction dynamics remains a central challenge in robotic manipulation. Most existing approaches rely on direct observation-to-action mappings or compress…

Robotics · Computer Science 2025-09-24 Sangjun Noh , Dongwoo Nam , Kangmin Kim , Geonhyup Lee , Yeonguk Yu , Raeyoung Kang , Kyoobin Lee

In order to anticipate dangerous events, like a collision, an agent needs to make long-term predictions. However, those are challenging due to uncertainties in internal and external variables and environment dynamics. A sensorimotor model…

Robotics · Computer Science 2012-10-04 Arturo Ribes , Jesús Cerquides , Yiannis Demiris , Ramón López de Mántaras

In this study, we introduce a learning-based method for generating high-quality human motion sequences from text descriptions (e.g., ``A person walks forward"). Existing techniques struggle with motion diversity and smooth transitions in…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Weilin Wan , Yiming Huang , Shutong Wu , Taku Komura , Wenping Wang , Dinesh Jayaraman , Lingjie Liu

Legged locomotion demands controllers that are both robust and adaptable, while remaining compatible with task and safety considerations. However, model-free reinforcement learning (RL) methods often yield a fixed policy that can be…

Robotics · Computer Science 2025-10-07 Runhan Huang , Haldun Balim , Heng Yang , Yilun Du

The ability of predicting the future is important for intelligent systems, e.g. autonomous vehicles and robots to plan early and make decisions accordingly. Future scene parsing and optical flow estimation are two key tasks that help agents…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Xiaojie Jin , Huaxin Xiao , Xiaohui Shen , Jimei Yang , Zhe Lin , Yunpeng Chen , Zequn Jie , Jiashi Feng , Shuicheng Yan

Controlling generative models is computationally expensive. This is because optimal alignment with a reward function--whether via inference-time steering or fine-tuning--requires estimating the value function. This task demands access to…

Machine Learning · Statistics 2026-01-22 Peter Potaptchik , Adhi Saravanan , Abbas Mammadov , Alvaro Prat , Michael S. Albergo , Yee Whye Teh

Deep generative models have made rapid progress in image, text, audio, and video generation, and are increasingly being applied to structured records. For tabular data, however, generative modeling remains difficult: a dataset may contain…

Machine Learning · Computer Science 2026-05-25 Zhong Li , Qi Huang , Lincen Yang , Jiayang Shi , Zhao Yang , Niki van Stein , Thomas Bäck , Matthijs van Leeuwen

Generative recommendation has emerged as a transformative paradigm for capturing the dynamic evolution of user intents in sequential recommendation. While flow-based methods improve the efficiency of diffusion models, they remain hindered…

Information Retrieval · Computer Science 2026-04-07 Ke Shi , Yao Zhang , Feng Guo , Jinyuan Zhang , JunShuo Zhang , Shen Gao , Shuo Shang

We introduce Categorical Flow Maps, a flow-matching method for accelerated few-step generation of categorical data via self-distillation. Building on recent variational formulations of flow matching and the broader trend towards accelerated…

Multi-agent trajectory forecasting in autonomous driving requires an agent to accurately anticipate the behaviors of the surrounding vehicles and pedestrians, for safe and reliable decision-making. Due to partial observability in these…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Seong Hyeon Park , Gyubok Lee , Manoj Bhat , Jimin Seo , Minseok Kang , Jonathan Francis , Ashwin R. Jadhav , Paul Pu Liang , Louis-Philippe Morency

The rapid development of autonomous vehicles (AVs) holds vast potential for transportation systems through improved safety, efficiency, and access to mobility. However, the progression of these impacts, as AVs are adopted, is not well…

Artificial Intelligence · Computer Science 2022-01-03 Cathy Wu , Aboudy Kreidieh , Kanaad Parvate , Eugene Vinitsky , Alexandre M Bayen

Safety-critical traffic scenarios are integral to the development and validation of autonomous driving systems. These scenarios provide crucial insights into vehicle responses under high-risk conditions rarely encountered in real-world…

Robotics · Computer Science 2024-10-08 Jinxiong Lu , Shoaib Azam , Gokhan Alcan , Ville Kyrki

Thanks to the powerful generative capacity of diffusion models, recent years have witnessed rapid progress in human motion generation. Existing diffusion-based methods employ disparate network architectures and training strategies. The…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Yiheng Huang , Hui Yang , Chuanchen Luo , Yuxi Wang , Shibiao Xu , Zhaoxiang Zhang , Man Zhang , Junran Peng

In order to plan a safe maneuver an autonomous vehicle must accurately perceive its environment, and understand the interactions among traffic participants. In this paper, we aim to learn scene-consistent motion forecasts of complex urban…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Sergio Casas , Cole Gulino , Simon Suo , Katie Luo , Renjie Liao , Raquel Urtasun

Predicting the behavior of surrounding traffic participants is crucial for advanced driver assistance systems and autonomous driving. Most researchers however do not consider contextual knowledge when predicting vehicle motion. Extending…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Florian Wirthmüller , Julian Schlechtriemen , Jochen Hipp , Manfred Reichert

Mobility-on-demand (MoD) systems represent a rapidly developing mode of transportation wherein travel requests are dynamically handled by a coordinated fleet of vehicles. Crucially, the efficiency of an MoD system highly depends on how well…

Machine Learning · Statistics 2022-05-05 Daniele Gammelli , Filipe Rodrigues

Learning long-horizon robotic manipulation requires jointly achieving expressive behavior modeling, real-time inference, and stable execution, which remains challenging for existing generative policies. Diffusion-based approaches offer…

Robotics · Computer Science 2026-05-19 Wu Songwei , Jiang Zhiduo , Sun Wandong , Xie Guanghu , Zhao Rui , Liu Hong , Liu Yang

Recent diffusion- and flow-based VTON methods achieve strong results with pretrained generative models, but their reliance on multi-step sampling incurs high inference cost, while existing acceleration methods largely overlook the intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Xianbing Sun , Jiahui Zhan , Liqing Zhang , Jianfu Zhang