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Accurate and long-term spatiotemporal prediction for complex physical systems remains a fundamental challenge in scientific computing. While deep learning models, as powerful parametric approximators, have shown remarkable success, they…

Machine Learning · Computer Science 2025-10-29 Hao Jia , Penghao Zhao , Hao Wu , Yuan Gao , Yangyu Tao , Bin Cui

Vision-Language-Action (VLA) models enable embodied decision-making but rely heavily on imitation learning, leading to compounding errors and poor robustness under distribution shift. Reinforcement learning (RL) can mitigate these issues…

Improving the generalization capabilities of general-purpose robotic manipulation agents in the real world has long been a significant challenge. Existing approaches often rely on collecting large-scale robotic data which is costly and…

Robotics · Computer Science 2025-02-10 Jiange Yang , Wenhui Tan , Chuhao Jin , Keling Yao , Bei Liu , Jianlong Fu , Ruihua Song , Gangshan Wu , Limin Wang

World models play a crucial role in decision-making within embodied environments, enabling cost-free explorations that would otherwise be expensive in the real world. To facilitate effective decision-making, world models must be equipped…

Lane segment topology reasoning provides comprehensive bird's-eye view (BEV) road scene understanding, which can serve as a key perception module in planning-oriented end-to-end autonomous driving systems. Existing lane topology reasoning…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Yiming Yang , Hongbin Lin , Yueru Luo , Suzhong Fu , Chao Zheng , Xinrui Yan , Shuqi Mei , Kun Tang , Shuguang Cui , Zhen Li

Fine-tuning Video Diffusion Models (VDMs) at the user level to generate videos that reflect specific attributes of training data presents notable challenges, yet remains underexplored despite its practical importance. Meanwhile, recent work…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Sungwon Hwang , Hyojin Jang , Kinam Kim , Minho Park , Jaegul Choo

Geospatial pixel reasoning aims to generate segmentation masks in remote sensing imagery directly from natural-language instructions. Most existing approaches follow a paradigm that fine-tunes multimodal large language models under…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Chengjie Jiang , Yunqi Zhou , Jiafeng Yan , Jing Li , Jiayang Li , Yue Zhou , Hongjie He , Jonathan Li

Real-world instructional videos are long, noisy, and often contain extended background segments, repeated actions, and execution variability that do not correspond to meaningful procedural steps. We propose **REMAP**, an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Soumyadeep Chandra , Kaushik Roy

Memory is critical for long-horizon and history-dependent robotic manipulation. Such tasks often involve counting repeated actions or manipulating objects that become temporarily occluded. Recent vision-language-action (VLA) models have…

Robotics · Computer Science 2026-05-27 Yinpei Dai , Hongze Fu , Jayjun Lee , Yuejiang Liu , Haoran Zhang , Jianing Yang , Chelsea Finn , Nima Fazeli , Joyce Chai

To effectively interrogate UAV-based images for detecting objects of interest, such as humans, it is essential to acquire large-scale UAV-based datasets that include human instances with various poses captured from widely varying viewing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Yi-Ting Shen , Hyungtae Lee , Heesung Kwon , Shuvra Shikhar Bhattacharyya

Robotic manipulation policies are commonly initialized through imitation learning, but their performance is limited by the scarcity and narrow coverage of expert data. Reinforcement learning can refine polices to alleviate this limitation,…

Robotics · Computer Science 2026-03-23 Zhennan Jiang , Kai Liu , Yuxin Qin , Shuai Tian , Yupeng Zheng , Mingcai Zhou , Chao Yu , Haoran Li , Dongbin Zhao

Humanoid locomotion is a challenging task due to its inherent complexity and high-dimensional dynamics, as well as the need to adapt to diverse and unpredictable environments. In this work, we introduce a novel learning framework for…

Robotics · Computer Science 2025-10-16 Hyunyoung Jung , Zhaoyuan Gu , Ye Zhao , Hae-Won Park , Sehoon Ha

Leveraging future observation modeling to facilitate action generation presents a promising avenue for enhancing the capabilities of Vision-Language-Action (VLA) models. However, existing approaches struggle to strike a balance between…

Machine learning approaches to spatiotemporal physical systems have primarily focused on next-frame prediction, with the goal of learning an accurate emulator for the system's evolution in time. However, these emulators are computationally…

Machine Learning · Computer Science 2026-03-16 Helen Qu , Rudy Morel , Michael McCabe , Alberto Bietti , François Lanusse , Shirley Ho , Yann LeCun

World models simulate environment dynamics from raw sensory inputs like video. However, using them for planning can be challenging due to the vast and unstructured search space. We propose a robust and highly parallelizable planner that…

Machine Learning · Computer Science 2026-02-03 Michael Psenka , Michael Rabbat , Aditi Krishnapriyan , Yann LeCun , Amir Bar

Forecasting from partial observations is central to world modeling. Many recent methods represent the world through images, and reduce forecasting to stochastic video generation. Although such methods excel at realism and visual fidelity,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Gabrijel Boduljak , Yushi Lan , Christian Rupprecht , Andrea Vedaldi

Deep learning-based multi-view facial capture methods have shown impressive accuracy while being several orders of magnitude faster than a traditional mesh registration pipeline. However, the existing systems (e.g. TEMPEH) are strictly…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Jing Li , Di Kang , Zhenyu He

Despite advances in Vision-Language-Action (VLA) models, robotic manipulation struggles with fine-grained tasks because current models lack mechanisms for active visual attention allocation. Human gaze naturally encodes intent, planning,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Anupam Pani , Yanchao Yang

Recent advances in reinforcement learning (RL) have significantly enhanced the reasoning capabilities of large language models (LLMs). Group Relative Policy Optimization (GRPO), a lightweight variant of Proximal Policy Optimization (PPO),…

Machine Learning · Computer Science 2025-10-13 Chen Wang , Lai Wei , Yanzhi Zhang , Chenyang Shao , Zedong Dan , Weiran Huang , Yuzhi Zhang , Yue Wang

Designing reward functions for continuous-control robotics often leads to subtle misalignments or reward hacking, especially in complex tasks. Preference-based RL mitigates some of these pitfalls by learning rewards from comparative…

Artificial Intelligence · Computer Science 2025-03-19 Anukriti Singh , Amisha Bhaskar , Peihong Yu , Souradip Chakraborty , Ruthwik Dasyam , Amrit Bedi , Pratap Tokekar