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Supervised imitation learning, also known as behavioral cloning, suffers from distribution drift leading to failures during policy execution. One approach to mitigate this issue is to allow an expert to correct the agent's actions during…

Robotics · Computer Science 2023-12-11 Trevor Ablett , Filip Marić , Jonathan Kelly

Learning embeddings that are invariant to the pose of the object is crucial in visual image retrieval and re-identification. The existing approaches for person, vehicle, or animal re-identification tasks suffer from high intra-class…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

Imitation learning, which enables robots to learn behaviors from demonstrations by human, has emerged as a promising solution for generating robot motions in such environments. The imitation learning-based robot motion generation method,…

Robotics · Computer Science 2025-03-17 Hyeonjun Park , Daegyu Lim , Seungyeon Kim , Sumin Park

This paper introduces an algorithm for the detection of change-points and the identification of the corresponding subsequences in transient multivariate time-series data (MTSD). The analysis of such data has become more and more important…

Signal Processing · Electrical Eng. & Systems 2023-04-05 Jonas Köhne , Lars Henning , Clemens Gühmann

Automatic workflow composition (AWC) is a relevant problem in automated machine learning (AutoML) that allows finding suitable sequences of preprocessing and prediction models together with their optimal hyperparameters. This problem can be…

Machine Learning · Computer Science 2024-02-29 Rafael Barbudo , Aurora Ramírez , José Raúl Romero

Masked image modeling has been demonstrated as a powerful pretext task for generating robust representations that can be effectively generalized across multiple downstream tasks. Typically, this approach involves randomly masking patches…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Neelu Madan , Nicolae-Catalin Ristea , Kamal Nasrollahi , Thomas B. Moeslund , Radu Tudor Ionescu

Acoustic word embeddings (AWEs) are vector representations of spoken word segments. AWEs can be learned jointly with embeddings of character sequences, to generate phonetically meaningful embeddings of written words, or acoustically…

Computation and Language · Computer Science 2020-06-26 Yushi Hu , Shane Settle , Karen Livescu

This paper investigates how learning can be used to ease the design of high-quality paths for the assembly of deformable objects. Object dynamics plays an important role when manipulating deformable objects; thus, detailed models are often…

Robotics · Computer Science 2025-06-02 Yitaek Kim , Christoffer Sloth

While visual imitation learning offers one of the most effective ways of learning from visual demonstrations, generalizing from them requires either hundreds of diverse demonstrations, task specific priors, or large, hard-to-train…

Robotics · Computer Science 2021-12-07 Jyothish Pari , Nur Muhammad Shafiullah , Sridhar Pandian Arunachalam , Lerrel Pinto

In this work, we present a lightweight pipeline for robust behavioral cloning of a human driver using end-to-end imitation learning. The proposed pipeline was employed to train and deploy three distinct driving behavior models onto a…

Robotics · Computer Science 2021-10-19 Tanmay Vilas Samak , Chinmay Vilas Samak , Sivanathan Kandhasamy

Imitation learning trains control policies by mimicking pre-recorded expert demonstrations. In partially observable settings, imitation policies must rely on observation histories, but many seemingly paradoxical results show better…

Machine Learning · Computer Science 2021-06-14 Chuan Wen , Jierui Lin , Jianing Qian , Yang Gao , Dinesh Jayaraman

Recent advances in learning aligned multimodal representations have been primarily driven by training large neural networks on massive, noisy paired-modality datasets. In this work, we ask whether it is possible to achieve similar results…

Machine Learning · Computer Science 2022-10-11 Elan Rosenfeld , Preetum Nakkiran , Hadi Pouransari , Oncel Tuzel , Fartash Faghri

Imitation from observation is a computational technique that teaches an agent on how to mimic the behavior of an expert by observing only the sequence of states from the expert demonstrations. Recent approaches learn the inverse dynamics of…

Artificial Intelligence · Computer Science 2020-04-29 Juarez Monteiro , Nathan Gavenski , Roger Granada , Felipe Meneguzzi , Rodrigo Barros

In cooperation, the workers must know how co-workers behave. However, an agent's policy, which is embedded in a statistical machine learning model, is hard to understand, and requires much time and knowledge to comprehend. Therefore, it is…

Artificial Intelligence · Computer Science 2018-10-23 Yosuke Fukuchi , Masahiko Osawa , Hiroshi Yamakawa , Michita Imai

Machine learning models have been found to learn shortcuts -- unintended decision rules that are unable to generalize -- undermining models' reliability. Previous works address this problem under the tenuous assumption that only a single…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Zhiheng Li , Ivan Evtimov , Albert Gordo , Caner Hazirbas , Tal Hassner , Cristian Canton Ferrer , Chenliang Xu , Mark Ibrahim

While robot learning has demonstrated promising results for enabling robots to automatically acquire new skills, a critical challenge in deploying learning-based systems is scale: acquiring enough data for the robot to effectively…

We propose the Motion Capsule Autoencoder (MCAE), which addresses a key challenge in the unsupervised learning of motion representations: transformation invariance. MCAE models motion in a two-level hierarchy. In the lower level, a…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Ziwei Xu , Xudong Shen , Yongkang Wong , Mohan S Kankanhalli

Language-guided robotic manipulation is a challenging task that requires an embodied agent to follow abstract user instructions to accomplish various complex manipulation tasks. Previous work trivially fitting the data without revealing the…

Robotics · Computer Science 2024-10-17 Kaidong Zhang , Pengzhen Ren , Bingqian Lin , Junfan Lin , Shikui Ma , Hang Xu , Xiaodan Liang

In policy learning for robotic manipulation, sample efficiency is of paramount importance. Thus, learning and extracting more compact representations from camera observations is a promising avenue. However, current methods often assume full…

Imitation learning enables robots to learn and replicate human behavior from training data. Recent advances in machine learning enable end-to-end learning approaches that directly process high-dimensional observation data, such as images.…

Robotics · Computer Science 2024-01-22 Koki Yamane , Sho Sakaino , Toshiaki Tsuji