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Learning to plan for multi-step, multi-manipulator tasks is notoriously difficult because of the large search space and the complex constraint satisfaction problems. We present Generative Factor Chaining~(GFC), a composable generative model…

机器人学 · 计算机科学 2024-09-25 Utkarsh A. Mishra , Yongxin Chen , Danfei Xu

We consider the general problem of geometric task allocation, wherein a large, decentralised swarm of simple mobile agents must detect the locations of tasks in the plane and position themselves nearby. The tasks are represented by an a…

多智能体系统 · 计算机科学 2022-10-17 Michael Amir , Yigal Koifman , Yakov Bloch , Ariel Barel , Alfred M. Bruckstein

Offline meta-reinforcement learning (meta-RL) methods, which adapt to unseen target tasks with prior experience, are essential in robot control tasks. Current methods typically utilize task contexts and skills as prior experience, where…

机器学习 · 计算机科学 2023-12-12 Hongcai He , Anjie Zhu , Shuang Liang , Feiyu Chen , Jie Shao

Bayesian inference promises to ground and improve the performance of deep neural networks. It promises to be robust to overfitting, to simplify the training procedure and the space of hyperparameters, and to provide a calibrated measure of…

机器学习 · 计算机科学 2019-08-12 Jonathan Heek , Nal Kalchbrenner

Generative adversarial networks (GANs) were initially proposed to generate images by learning from a large number of samples. Recently, GANs have been used to emulate complex physical systems such as turbulent flows. However, a critical…

计算物理 · 物理学 2020-11-24 Zeng Yang , Jin-Long Wu , Heng Xiao

While the Matrix Generalized Inverse Gaussian ($\mathcal{MGIG}$) distribution arises naturally in some settings as a distribution over symmetric positive semi-definite matrices, certain key properties of the distribution and effective ways…

机器学习 · 统计学 2016-08-23 Farideh Fazayeli , Arindam Banerjee

Generative Adversarial Networks (GANs) are proficient at generating synthetic data but continue to suffer from mode collapse, where the generator produces a narrow range of outputs that fool the discriminator but fail to capture the full…

机器学习 · 计算机科学 2025-11-03 Mahsa Valizadeh , Rui Tuo , James Caverlee

Unsupervised domain mapping has attracted substantial attention in recent years due to the success of models based on the cycle-consistency assumption. These models map between two domains by fooling a probabilistic discriminator, thereby…

机器学习 · 计算机科学 2019-01-25 Matthew Amodio , Smita Krishnaswamy

Bayesian inverse problems often involve sampling posterior distributions on infinite-dimensional function spaces. Traditional Markov chain Monte Carlo (MCMC) algorithms are characterized by deteriorating mixing times upon mesh-refinement,…

统计计算 · 统计学 2017-03-08 Alexandros Beskos , Mark Girolami , Shiwei Lan , Patrick E. Farrell , Andrew M. Stuart

Cyclic peptides are attractive therapeutic modalities because their closed-ring topology can improve stability and target specificity. However, de novo cyclic peptide design remains challenging for diffusion generators, as macrocyclization…

计算工程、金融与科学 · 计算机科学 2026-05-25 Jingjie Zhang , Hanqun Cao , Haosen Shi , He Mutian , Yu Wang , Zijun Gao , Fang Wu , Xiaojun Yao , Chang-Yu Hsieh , Sinno Jialin Pan , Pranam Chatterjee , Chunbin Gu , Pheng-Ann Heng

Unified multimodal models can encode visual understanding and image generation within a shared backbone, yet understanding does not automatically translate into control: models may infer objects, relations, or knowledge cues but fail to…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Fuxiang Zhai , Sixiang Chen , Yingjin Li , Shuaibo Li , Jianyu Lai , Tengjun Huang , Lei Zhu

Generative Adversarial Networks (GANs) have been widely applied in modeling diverse image distributions. However, despite its impressive applications, the structure of the latent space in GANs largely remains as a black-box, leaving its…

计算机视觉与模式识别 · 计算机科学 2022-09-05 Zikun Chen , Ruowei Jiang , Brendan Duke , Han Zhao , Parham Aarabi

In learning from demonstrations, many generative models of trajectories make simplifying assumptions of independence. Correctness is sacrificed in the name of tractability and speed of the learning phase. The ignored dependencies, which…

机器人学 · 计算机科学 2020-11-09 Emmanuel Pignat , Hakan Girgin , Sylvain Calinon

Latent diffusion models have established a new state-of-the-art in high-resolution visual generation. Integrating Vision Foundation Model priors improves generative efficiency, yet existing latent designs remain largely heuristic. These…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Hangyu Liu , Jianyong Wang , Yutao Sun

Recently, Gaussian Splatting, a method that represents a 3D scene as a collection of Gaussian distributions, has gained significant attention in addressing the task of novel view synthesis. In this paper, we highlight a fundamental…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Haoxuan Qu , Zhuoling Li , Hossein Rahmani , Yujun Cai , Jun Liu

Data availability has dramatically increased in recent years, driving model-based control methods to exploit learning techniques for improving the system description, and thus control performance. Two key factors that hinder the practical…

系统与控制 · 电气工程与系统科学 2022-11-22 Elena Arcari , Andrea Carron , Melanie N. Zeilinger

Reinforcement learning often needs to deal with the exponential growth of states and actions when exploring optimal control in high-dimensional spaces (often known as the curse of dimensionality). In this work, we address this issue by…

机器学习 · 计算机科学 2023-06-23 Yining Li , Peizhong Ju , Ness Shroff

Graph diffusion models have made significant progress in learning structured graph data and have demonstrated strong potential for predictive tasks. Existing approaches typically embed node, edge, and graph-level features into a unified…

机器学习 · 计算机科学 2025-12-12 Yisen Gao , Xingcheng Fu , Qingyun Sun , Jianxin Li , Xianxian Li

Long-horizon tasks, usually characterized by complex subtask dependencies, present a significant challenge in manipulation planning. Skill chaining is a practical approach to solving unseen tasks by combining learned skill priors. However,…

机器人学 · 计算机科学 2024-01-09 Utkarsh A. Mishra , Shangjie Xue , Yongxin Chen , Danfei Xu

Generative Bayesian Filtering (GBF) provides a powerful and flexible framework for performing posterior inference in complex nonlinear and non-Gaussian state-space models. Our approach extends Generative Bayesian Computation (GBC) to…

统计方法学 · 统计学 2025-11-07 Edoardo Marcelli , Sean O'Hagan , Veronika Rockova
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