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Simulation of autonomous vehicle systems requires that simulated traffic participants exhibit diverse and realistic behaviors. The use of prerecorded real-world traffic scenarios in simulation ensures realism but the rarity of safety…

Diffusion-based imitation learning improves Behavioral Cloning (BC) on multi-modal decision-making, but comes at the cost of significantly slower inference due to the recursion in the diffusion process. It urges us to design efficient…

Machine Learning · Computer Science 2024-11-25 Xixi Hu , Bo Liu , Xingchao Liu , Qiang Liu

Diffusion models have recently shown significant potential in solving decision-making problems, particularly in generating behavior plans -- also known as diffusion planning. While numerous studies have demonstrated the impressive…

Machine Learning · Computer Science 2025-03-04 Haofei Lu , Dongqi Han , Yifei Shen , Dongsheng Li

End-to-end autonomous driving is increasingly adopting a multimodal planning paradigm that generates multiple trajectory candidates and selects the final plan, making candidate-set design critical. A fixed trajectory vocabulary provides…

Robotics · Computer Science 2026-02-05 Zhengfei Wu , Shuaixi Pan , Shuohan Chen , Shuo Yang , Yanjun Huang

Target tracking plays a crucial role in real-world scenarios, particularly in drug-trafficking interdiction, where the knowledge of an adversarial target's location is often limited. Improving autonomous tracking systems will enable…

Robotics · Computer Science 2024-01-15 Sean Ye , Manisha Natarajan , Zixuan Wu , Matthew Gombolay

Diffusion models excel at creating images and videos thanks to their multimodal generative capabilities. These same capabilities have made diffusion models increasingly popular in robotics research, where they are used for generating robot…

Robotics · Computer Science 2025-04-29 Jean-Baptiste Bouvier , Kanghyun Ryu , Kartik Nagpal , Qiayuan Liao , Koushil Sreenath , Negar Mehr

Due to network operation and maintenance relying heavily on network traffic monitoring, traffic matrix analysis has been one of the most crucial issues for network management related tasks. However, it is challenging to reliably obtain the…

Networking and Internet Architecture · Computer Science 2024-12-02 Xinyu Yuan , Yan Qiao , Zhenchun Wei , Zeyu Zhang , Minyue Li , Pei Zhao , Rongyao Hu , Wenjing Li

Visual traversability estimation is critical for autonomous navigation, but existing VLM-based methods rely on hand-crafted prompts, generalize poorly across embodiments, and output only traversability maps, leaving trajectory generation to…

Dexterous manipulation with contact-rich interactions is crucial for advanced robotics. While recent diffusion-based planning approaches show promise for simple manipulation tasks, they often produce unrealistic ghost states (e.g., the…

Robotics · Computer Science 2025-06-18 Zhixuan Liang , Yao Mu , Yixiao Wang , Tianxing Chen , Wenqi Shao , Wei Zhan , Masayoshi Tomizuka , Ping Luo , Mingyu Ding

Recent advances in end-to-end autonomous driving leverage multi-view images to construct BEV representations for motion planning. In motion planning, autonomous vehicles need considering both hard constraints imposed by geometrically…

Autonomous driving systems demand trajectory planners that not only model the inherent uncertainty of future motions but also respect complex temporal dependencies and underlying physical laws. While diffusion-based generative models excel…

Robotics · Computer Science 2026-02-03 Hang Zhou , Qiang Zhang , Peiran Liu , Yihao Qin , Zhaoxu Yan , Yiding Ji

Diffusion models have recently emerged as effective generative frameworks for trajectory optimization, capable of producing high-quality and diverse solutions. However, training these models in a purely data-driven manner without explicit…

Robotics · Computer Science 2025-04-02 Anjian Li , Ryne Beeson

Significant progress has been made in training multimodal trajectory forecasting models for autonomous driving. However, effectively integrating these models with downstream planners and model-based control approaches is still an open…

Robotics · Computer Science 2024-03-13 Adam Villaflor , Brian Yang , Huangyuan Su , Katerina Fragkiadaki , John Dolan , Jeff Schneider

The exploration of high-speed movement by robots or road traffic agents is crucial for autonomous driving and navigation. Trajectory prediction at high speeds requires considering historical features and interactions with surrounding…

Robotics · Computer Science 2024-05-14 Yao Liu , Ruoyu Wang , Yuanjiang Cao , Quan Z. Sheng , Lina Yao

This paper presents a novel approach to improving autonomous vehicle control in environments lacking clear road markings by integrating a diffusion-based motion predictor within an Active Inference Framework (AIF). Using a simulated parking…

Robotics · Computer Science 2024-06-04 Yufei Huang , Yulin Li , Andrea Matta , Mohsen Jafari

Recent advances in offline Reinforcement Learning (RL) have proven that effective policy learning can benefit from imposing conservative constraints on pre-collected datasets. However, such static datasets often exhibit distribution bias,…

Machine Learning · Computer Science 2026-05-15 Yunpeng Qing , Yixiao Chi , Shuo Chen , Shunyu Liu , Kexuan Zhou , Sixu Lin , Litao Liu , Changqing Zou

Active multi-target tracking requires a mobile robot to balance exploration for undetected targets with exploitation of uncertain tracked ones. Diffusion policies have emerged as a powerful approach for capturing diverse behavioral…

Robotics · Computer Science 2026-04-07 Haotian Xiang , Qin Lu , Yaakov Bar-Shalom

The performance of optimization-based robot motion planning algorithms is highly dependent on the initial solutions, commonly obtained by running a sampling-based planner to obtain a collision-free path. However, these methods can be slow…

Robotics · Computer Science 2025-08-15 J. Carvalho , A. Le , P. Kicki , D. Koert , J. Peters

Deploying large, complex policies in the real world requires the ability to steer them to fit the needs of a situation. Most common steering approaches, like goal-conditioning, require training the robot policy with a distribution of…

Robotics · Computer Science 2025-11-11 Maximilian Du , Shuran Song

Diffusion models have demonstrated strong potential for robotic trajectory planning. However, generating coherent trajectories from high-level instructions remains challenging, especially for long-range composition tasks requiring multiple…

Robotics · Computer Science 2024-03-29 Zhixuan Liang , Yao Mu , Hengbo Ma , Masayoshi Tomizuka , Mingyu Ding , Ping Luo