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Online High-Definition (HD) map construction is pivotal for autonomous driving. While recent approaches leverage historical temporal fusion to improve performance, we identify a critical safety flaw in this paradigm: it is inherently…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Ruikai Li , Xinrun Li , Mengwei Xie , Hao Shan , Shoumeng Qiu , Xinyuan Chang , Yizhe Fan , Feng Xiong , Han Jiang , Yilong Ren , Haiyang Yu , Mu Xu , Yang Long , Varun Ojha , Zhiyong Cui

Diffusion-based generative models have achieved remarkable success in image generation. Their guidance formulation allows an external model to plug-and-play control the generation process for various tasks without finetuning the diffusion…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Hyojun Go , Yunsung Lee , Jin-Young Kim , Seunghyun Lee , Myeongho Jeong , Hyun Seung Lee , Seungtaek Choi

Generative models, especially diffusion and flow-based models, have been promising in offline multi-agent reinforcement learning. However, integrating powerful generative models into this framework poses unique challenges. In particular,…

Machine Learning · Computer Science 2026-03-02 Zhuoran Li , Xun Wang , Hai Zhong , Qingxin Xia , Lihua Zhang , Longbo Huang

Diffusion models have emerged as powerful tools for a wide range of vision tasks, including text-guided image generation and editing. In this work, we explore their potential for object grounding in remote sensing imagery. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Geet Sethi , Panav Shah , Ashutosh Gandhe , Soumitra Darshan Nayak

Dynamic point cloud pretraining is still dominated by masked reconstruction objectives. However, these objectives inherit two key limitations. Existing methods inject ground-truth tube centers as decoder positional embeddings, causing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Zhuoyue Zhang , Jihua Zhu , Chaowei Fang , Jian Liu , Ajmal Saeed Mian

Recent developments in the field of diffusion models have demonstrated an exceptional capacity to generate high-quality prompt-conditioned image edits. Nevertheless, previous approaches have primarily relied on textual prompts for image…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Goirik Chakrabarty , Aditya Chandrasekar , Ramya Hebbalaguppe , Prathosh AP

Diffusion models have recently gained prominence in offline reinforcement learning due to their ability to effectively learn high-performing, generalizable policies from static datasets. Diffusion-based planners facilitate long-horizon…

Machine Learning · Computer Science 2025-10-27 Donghyeon Ki , JunHyeok Oh , Seong-Woong Shim , Byung-Jun Lee

Safe swarm navigation in cluttered indoor environment requires long-horizon planning, reactive obstacle avoidance, and adaptive compliance. We propose ImpedanceDiffusion, a hierarchical framework that leverages image-conditioned…

Generative tabular augmentation is appealing in data-scarce domains, yet the prevailing focus on distributional fidelity does not reliably translate into better downstream models. We formalize a fidelity-utility gap: common generative…

Machine Learning · Computer Science 2026-05-12 Zheyu Zhang , Shuo Yang , Bardh Prenkaj , Gjergji Kasneci

Large language model (LLM) agents have recently demonstrated strong capabilities in interactive decision-making, yet they remain fundamentally limited in long-horizon tasks that require structured planning and reliable execution. Existing…

Artificial Intelligence · Computer Science 2026-05-06 Hongbo Jin , Rongpeng Zhu , Jiayu Ding , Guibo Luo , Ge Li

Robust fine-tuning aims to adapt large foundation models to downstream tasks while preserving their robustness to distribution shifts. Existing methods primarily focus on constraining and projecting current model towards the pre-trained…

Machine Learning · Computer Science 2025-06-24 Chengyue Huang , Junjiao Tian , Brisa Maneechotesuwan , Shivang Chopra , Zsolt Kira

Diffusion models have become a powerful backbone for text-to-image generation, producing high-quality visuals from natural language prompts. However, when prompts involve multiple objects alongside global or local style instructions, the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Ankit Sanjyal

Diffusion models have risen as a promising approach to data-driven planning, and have demonstrated impressive robotic control, reinforcement learning, and video planning performance. Given an effective planner, an important question to…

Robotics · Computer Science 2023-10-17 Siyuan Zhou , Yilun Du , Shun Zhang , Mengdi Xu , Yikang Shen , Wei Xiao , Dit-Yan Yeung , Chuang Gan

The bifurcation of generative modeling into autoregressive approaches for discrete data (text) and diffusion approaches for continuous data (images) hinders the development of truly unified multimodal systems. While Masked Language Models…

Computation and Language · Computer Science 2026-01-08 Yuanfeng Xu , Yuhao Chen , Liang Lin , Guangrun Wang

Deep Metric Learning (DML) methods have been proven relevant for visual similarity learning. However, they sometimes lack generalization properties because they are trained often using an inappropriate sample selection strategy or due to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Jorge Gonzalez-Zapata , Ivan Reyes-Amezcua , Daniel Flores-Araiza , Mauricio Mendez-Ruiz , Gilberto Ochoa-Ruiz , Andres Mendez-Vazquez

Optimizing complex and high-dimensional black-box functions is ubiquitous in science and engineering fields. Unfortunately, the online evaluation of these functions is restricted due to time and safety constraints in most cases. In offline…

Machine Learning · Computer Science 2024-07-03 Taeyoung Yun , Sujin Yun , Jaewoo Lee , Jinkyoo Park

Streaming adaptations of manifold learning based dimensionality reduction methods, such as Isomap, are based on the assumption that a small initial batch of observations is enough for exact learning of the manifold, while remaining…

Machine Learning · Statistics 2020-07-20 Suchismit Mahapatra , Varun Chandola

Sequential decision-making in high-dimensional continuous action spaces, particularly in stochastic environments, faces significant computational challenges. We explore this challenge in the traditional offline RL setting, where an agent…

Machine Learning · Computer Science 2025-03-04 Baiting Luo , Ava Pettet , Aron Laszka , Abhishek Dubey , Ayan Mukhopadhyay

Deep generative priors are a powerful tool for reconstruction problems with complex data such as images and text. Inverse problems using such models require solving an inference problem of estimating the input and hidden units of the…

Information Theory · Computer Science 2019-03-05 Parthe Pandit , Mojtaba Sahraee , Sundeep Rangan , Alyson K. Fletcher

Generating 3D human motion from text descriptions remains challenging due to the diverse and complex nature of human motion. While existing methods excel within the training distribution, they often struggle with out-of-distribution…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Zongye Zhang , Bohan Kong , Qingjie Liu , Yunhong Wang