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Diffusion models have shown promising capabilities in trajectory generation for planning in offline reinforcement learning (RL). However, conventional diffusion-based planning methods often fail to account for the fact that generating…

人工智能 · 计算机科学 2026-02-25 Hanping Zhang , Yuhong Guo

Despite recent advancements in latent diffusion models that generate high-dimensional image data and perform various downstream tasks, there has been little exploration into perceptual consistency within these models on the task of…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Shreshth Saini , Ru-Ling Liao , Yan Ye , Alan C. Bovik

Diffusion-based planners have emerged as a promising approach for human-like trajectory generation in autonomous driving. Recent works incorporate reinforcement fine-tuning to enhance the robustness of diffusion planners through…

Diffusion models emerged as a leading approach in text-to-image generation, producing high-quality images from textual descriptions. However, attempting to achieve detailed control to get a desired image solely through text remains a…

计算机视觉与模式识别 · 计算机科学 2026-02-12 Pablo Domingo-Gregorio , Javier Ruiz-Hidalgo

Multi-Agent Path Finding (MAPF) in crowded environments presents a challenging problem in motion planning, aiming to find collision-free paths for all agents in the system. MAPF finds a wide range of applications in various domains,…

机器人学 · 计算机科学 2025-01-06 Phu Pham , Aniket Bera

Motivated by the problem of pursuit-evasion, we present a motion planning framework that combines energy-based diffusion models with artificial potential fields for robust real time trajectory generation in complex environments. Our…

机器人学 · 计算机科学 2025-10-17 Wondmgezahu Teshome , Kian Behzad , Octavia Camps , Michael Everett , Milad Siami , Mario Sznaier

Diffusion models form an important class of generative models today, accounting for much of the state of the art in cutting edge AI research. While numerous extensions beyond image and video generation exist, few of such approaches address…

机器学习 · 计算机科学 2025-04-30 Hao Luan , See-Kiong Ng , Chun Kai Ling

We present a mutually aligned diffusion framework for cross-modal biomechanical motion generation, guided by a dynamical systems perspective. By treating each modality, e.g., observed joint angles ($X$) and ground reaction forces ($Y$), as…

机器学习 · 计算机科学 2025-03-18 Sharmita Dey , Sarath Ravindran Nair

Generating physically realistic 3D molecular structures remains a core challenge in molecular generative modeling. While diffusion models equipped with equivariant neural networks have made progress in capturing molecular geometries, they…

机器学习 · 计算机科学 2025-08-25 Zhijian Zhou , Junyi An , Zongkai Liu , Yunfei Shi , Xuan Zhang , Fenglei Cao , Chao Qu , Yuan Qi

In this paper, we address the problem of plausible object placement for the challenging task of realistic image composition. We propose DiffPop, the first framework that utilizes plausibility-guided denoising diffusion probabilistic model…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Jiacheng Liu , Hang Zhou , Shida Wei , Rui Ma

Offline black-box optimization aims to discover novel designs with high property scores using only a static dataset, a task fundamentally challenged by the out-of-distribution (OOD) extrapolation problem. Existing approaches typically…

机器学习 · 计算机科学 2026-05-22 Yonghan Yang , Ye Yuan , Zipeng Sun , Linfeng Du , Bowei He , Haolun Wu , Can Chen , Xue Liu

Depth estimation aims to predict dense depth maps. In autonomous driving scenes, sparsity of annotations makes the task challenging. Supervised models produce concave objects due to insufficient structural information. They overfit to valid…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Jiaqi Li , Yiran Wang , Zihao Huang , Jinghong Zheng , Ke Xian , Zhiguo Cao , Jianming Zhang

Recently, diffusion models have been used to solve various inverse problems in an unsupervised manner with appropriate modifications to the sampling process. However, the current solvers, which recursively apply a reverse diffusion step…

机器学习 · 计算机科学 2024-05-21 Hyungjin Chung , Byeongsu Sim , Dohoon Ryu , Jong Chul Ye

High-level autonomous driving requires motion planners capable of modeling multimodal future uncertainties while remaining robust in closed-loop interactions. Although diffusion-based planners are effective at modeling complex trajectory…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Hao Gao , Shaoyu Chen , Yifan Zhu , Yuehao Song , Wenyu Liu , Qian Zhang , Xinggang Wang

3D LiDAR sensors are indispensable for the robust vision of autonomous mobile robots. However, deploying LiDAR-based perception algorithms often fails due to a domain gap from the training environment, such as inconsistent angular…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Kazuto Nakashima , Yumi Iwashita , Ryo Kurazume

Multi-agent path finding (MAPF) is an essential component of many large-scale, real-world robot deployments, from aerial swarms to warehouse automation. However, despite the community's continued efforts, most state-of-the-art MAPF planners…

机器人学 · 计算机科学 2021-02-02 Guillaume Sartoretti , Justin Kerr , Yunfei Shi , Glenn Wagner , T. K. Satish Kumar , Sven Koenig , Howie Choset

Planning with pretrained diffusion models has emerged as a promising approach for solving test-time guided control problems. Standard gradient guidance typically performs optimally under convex, differentiable reward landscapes. However, it…

人工智能 · 计算机科学 2025-11-11 Hyeonseong Jeon , Cheolhong Min , Jaesik Park

Recent advances in denoising diffusion models have enabled rapid generation of optimized structures for topology optimization. However, these models often rely on surrogate predictors to enforce physical constraints, which may fail to…

机器学习 · 计算机科学 2025-08-05 Euihyun Kim , Keun Park , Yeoneung Kim

Bimanual manipulation is crucial in robotics, enabling complex tasks in industrial automation and household services. However, it poses significant challenges due to the high-dimensional action space and intricate coordination requirements.…

机器人学 · 计算机科学 2025-07-16 Huilin Xu , Jian Ding , Jiakun Xu , Ruixiang Wang , Jun Chen , Jinjie Mai , Yanwei Fu , Bernard Ghanem , Feng Xu , Mohamed Elhoseiny

Structural topology optimization, which aims to find the optimal physical structure that maximizes mechanical performance, is vital in engineering design applications in aerospace, mechanical, and civil engineering. Generative adversarial…

机器学习 · 计算机科学 2022-12-07 François Mazé , Faez Ahmed