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Learning from Demonstration is increasingly used for transferring operator manipulation skills to robots. In practice, it is important to cater for limited data and imperfect human demonstrations, as well as underlying safety constraints.…

Robotics · Computer Science 2020-04-03 Ya-Yen Tsai , Bo Xiao , Edward Johns , Guang-Zhong Yang

Imitation learning enables robots to acquire manipulation skills from demonstrations, yet deploying a policy across tasks with heterogeneous dynamics remains challenging, as models tend to average over distinct behavioral modes present in…

We investigate a reinforcement approach for distributed sensing based on the latent space derived from multi-modal deep generative models. Our contribution provides insights to the following benefits: Detections can be exchanged effectively…

Machine Learning · Computer Science 2018-09-13 Timo Korthals , Jürgen Leitner , Ulrich Rückert

Most existing federated learning methods are unable to estimate model/predictive uncertainty since the client models are trained using the standard loss function minimization approach which ignores such uncertainties. In many situations,…

Machine Learning · Computer Science 2023-10-03 Shrey Bhatt , Aishwarya Gupta , Piyush Rai

Federated learning (FL) is an emerging distributed machine learning paradigm that avoids data sharing among training nodes so as to protect data privacy. Under coordination of the FL server, each client conducts model training using its own…

Machine Learning · Computer Science 2021-01-01 Binbin Guo , Yuan Mei , Danyang Xiao , Weigang Wu , Ye Yin , Hongli Chang

In robotics, there is need of an interactive and expedite learning method as experience is expensive. Robot Learning from Demonstration (RLfD) enables a robot to learn a policy from demonstrations performed by teacher. RLfD enables a human…

Robotics · Computer Science 2018-10-01 Sulabh Kumra , Ferat Sahin

In this work, we propose a generalized product of experts (gPoE) framework for combining the predictions of multiple probabilistic models. We identify four desirable properties that are important for scalability, expressiveness and…

Machine Learning · Computer Science 2015-11-25 Yanshuai Cao , David J. Fleet

Learning from Demonstration (LfD) is a paradigm that allows robots to learn complex manipulation tasks that can not be easily scripted, but can be demonstrated by a human teacher. One of the challenges of LfD is to enable robots to acquire…

Robotics · Computer Science 2021-02-08 Miguel Arduengo , Adrià Colomé , Júlia Borràs , Luis Sentis , Carme Torras

Personal robots assisting humans must perform complex manipulation tasks that are typically difficult to specify in traditional motion planning pipelines, where multiple objectives must be met and the high-level context be taken into…

Robotics · Computer Science 2019-03-21 Hejia Zhang , Eric Heiden , Stefanos Nikolaidis , Joseph J. Lim , Gaurav S. Sukhatme

Automating robotic surgery via learning from demonstration (LfD) techniques is extremely challenging. This is because surgical tasks often involve sequential decision-making processes with complex interactions of physical objects and have…

Robotics · Computer Science 2024-10-11 Zohre Karimi , Shing-Hei Ho , Bao Thach , Alan Kuntz , Daniel S. Brown

Learning from Demonstration (LfD) is a popular method of reproducing and generalizing robot skills from human-provided demonstrations. In this paper, we propose a novel optimization-based LfD method that encodes demonstrations as elastic…

Robotics · Computer Science 2024-07-01 Brendan Hertel , Matthew Pelland , S. Reza Ahmadzadeh

Normative models in neuroimaging learn the brain patterns of healthy population distribution and estimate how disease subjects like Alzheimer's Disease (AD) deviate from the norm. Existing variational autoencoder (VAE)-based normative…

Machine Learning · Computer Science 2026-02-06 Sayantan Kumar , Philip Payne , Aristeidis Sotiras

Modern neural models capture rich priors and have complementary knowledge over shared data domains, e.g., images and videos. Integrating diverse knowledge from multiple sources -- including visual generative models, visual language models,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Yunzhi Zhang , Carson Murtuza-Lanier , Zizhang Li , Yilun Du , Jiajun Wu

Mixture-of-Experts (MoE) models have shown remarkable capability in instruction tuning, especially when the number of tasks scales. However, previous methods simply merge all training tasks (e.g. creative writing, coding, and mathematics)…

Computation and Language · Computer Science 2024-06-18 Tong Zhu , Daize Dong , Xiaoye Qu , Jiacheng Ruan , Wenliang Chen , Yu Cheng

Imitation learning from observation (LfO) is more preferable than imitation learning from demonstration (LfD) due to the nonnecessity of expert actions when reconstructing the expert policy from the expert data. However, previous studies…

Robotics · Computer Science 2020-10-19 Zhihao Cheng , Liu Liu , Aishan Liu , Hao Sun , Meng Fang , Dacheng Tao

Automating the segregation process is a need for every sector experiencing a high volume of materials handling, repetitive and exhaustive operations, in addition to risky exposures. Learning automated pick-and-place operations can be…

Machine Learning · Computer Science 2024-04-30 Hariharan Arunachalam , Marc Hanheide , Sariah Mghames

This paper proposes a learning-from-demonstration method using probability densities on the workspaces of robot manipulators. The method, named "PRobabilistically-Informed Motion Primitives (PRIMP)", learns the probability distribution of…

Robotics · Computer Science 2023-05-26 Sipu Ruan , Weixiao Liu , Xiaoli Wang , Xin Meng , Gregory S. Chirikjian

Learning from demonstration (LfD) is an intuitive framework allowing non-expert users to easily (re-)program robots. However, the quality and quantity of demonstrations have a great influence on the generalization performances of LfD…

Robotics · Computer Science 2020-08-07 Hakan Girgin , Emmanuel Pignat , Noémie Jaquier , Sylvain Calinon

Learning from demonstration (LfD) has the potential to greatly increase the applicability of robotic manipulators in modern industrial applications. Recent progress in LfD methods have put more emphasis in learning robustness than in…

Robotics · Computer Science 2023-02-09 Fouad Sukkar , Victor Hernandez Moreno , Teresa Vidal-Calleja , Jochen Deuse

Sparse Mixture of Experts (MoE) models offer a scalable and efficient architecture for training large neural networks by activating only a subset of parameters ("experts") for each input. A learned router computes a distribution over these…

Machine Learning · Computer Science 2025-10-14 Nabil Omi , Siddhartha Sen , Ali Farhadi