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The past year has witnessed a rapid development of masked image modeling (MIM). MIM is mostly built upon the vision transformers, which suggests that self-supervised visual representations can be done by masking input image parts while…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Yunjie Tian , Lingxi Xie , Jiemin Fang , Mengnan Shi , Junran Peng , Xiaopeng Zhang , Jianbin Jiao , Qi Tian , Qixiang Ye

In this paper, we study imitation learning under the challenging setting of: (1) only a single demonstration, (2) no further data collection, and (3) no prior task or object knowledge. We show how, with these constraints, imitation learning…

机器人学 · 计算机科学 2023-10-19 Pietro Vitiello , Kamil Dreczkowski , Edward Johns

Masked Image Modeling (MIM) has emerged as a promising method for deriving visual representations from unlabeled image data by predicting missing pixels from masked portions of images. It excels in region-aware learning and provides strong…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yibing Wei , Abhinav Gupta , Pedro Morgado

Applying imitation learning (IL) is challenging to nonprehensile manipulation tasks of invisible objects with partial observations, such as excavating buried rocks. The demonstrator must make such complex action decisions as exploring to…

机器人学 · 计算机科学 2025-03-24 Hirotaka Tahara , Takamitsu Matsubara

Behavioral cloning is an imitation learning technique that teaches an agent how to behave through expert demonstrations. Recent approaches use self-supervision of fully-observable unlabeled snapshots of the states to decode state-pairs into…

机器学习 · 计算机科学 2020-08-14 Nathan Gavenski , Juarez Monteiro , Roger Granada , Felipe Meneguzzi , Rodrigo C. Barros

The success of machine learning on a given task dependson, among other things, which learning algorithm is selected and its associated hyperparameters. Selecting an appropriate learning algorithm and setting its hyperparameters for a given…

机器学习 · 计算机科学 2014-07-09 Michael R. Smith , Logan Mitchell , Christophe Giraud-Carrier , Tony Martinez

How data is represented and operationalized is critical for building computational solutions that are both effective and efficient. A common approach is to represent data objects as binary vectors, denoted \textit{hash codes}, which require…

信息检索 · 计算机科学 2021-09-07 Casper Hansen

Few-shot learning aims to adapt knowledge learned from previous tasks to novel tasks with only a limited amount of labeled data. Research literature on few-shot learning exhibits great diversity, while different algorithms often excel at…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Chi Zhang , Henghui Ding , Guosheng Lin , Ruibo Li , Changhu Wang , Chunhua Shen

Imitation learning (IL) is a frequently used approach for data-efficient policy learning. Many IL methods, such as Dataset Aggregation (DAgger), combat challenges like distributional shift by interacting with oracular experts.…

机器人学 · 计算机科学 2021-06-08 Mandy Xie , Anqi Li , Karl Van Wyk , Frank Dellaert , Byron Boots , Nathan Ratliff

Imitation Learning offers a promising approach to learn directly from data without requiring explicit models, simulations, or detailed task definitions. During inference, actions are sampled from the learned distribution and executed on the…

机器人学 · 计算机科学 2025-10-28 Amirreza Razmjoo , Sylvain Calinon , Michael Gienger , Fan Zhang

We propose a structured prediction approach for robot imitation learning from demonstrations. Among various tools for robot imitation learning, supervised learning has been observed to have a prominent role. Structured prediction is a form…

机器人学 · 计算机科学 2023-09-27 Anqing Duan , Iason Batzianoulis , Raffaello Camoriano , Lorenzo Rosasco , Daniele Pucci , Aude Billard

Embeddings extracted by pre-trained Large Language Models (LLMs) have significant potential to improve information retrieval and search. Beyond the zero-shot setup in which they are being conventionally used, being able to take advantage of…

机器学习 · 计算机科学 2024-08-26 Jinsung Yoon , Sercan O Arik , Yanfei Chen , Tomas Pfister

Imitation learning algorithms learn a policy from demonstrations of expert behavior. We show that, for deterministic experts, imitation learning can be done by reduction to reinforcement learning with a stationary reward. Our theoretical…

机器学习 · 统计学 2022-03-16 Kamil Ciosek

This article reviews meta-learning also known as learning-to-learn which seeks rapid and accurate model adaptation to unseen tasks with applications in highly automated AI, few-shot learning, natural language processing and robotics. Unlike…

机器学习 · 计算机科学 2020-10-27 Huimin Peng

Existing image captioning models do not generalize well to out-of-domain images containing novel scenes or objects. This limitation severely hinders the use of these models in real world applications dealing with images in the wild. We…

计算机视觉与模式识别 · 计算机科学 2017-07-21 Peter Anderson , Basura Fernando , Mark Johnson , Stephen Gould

The goal of inductive logic programming (ILP) is to search for a hypothesis that generalises training examples and background knowledge (BK). To improve performance, we introduce an approach that, before searching for a hypothesis, first…

机器学习 · 计算机科学 2022-12-06 Andrew Cropper , Céline Hocquette

This paper aims to investigate direct imitation learning from human drivers for the task of lane keeping assistance in highway and country roads using grayscale images from a single front view camera. The employed method utilizes…

Proposing new materials by atom substitution based on periodic table similarity is a conventional strategy of searching for materials with desired property. We introduce a machine learning frame work that promotes this paradigm to be…

材料科学 · 物理学 2019-04-19 Lei Gu , Ruqian Wu

Beam search is widely used in neural machine translation, and usually improves translation quality compared to greedy search. It has been widely observed that, however, beam sizes larger than 5 hurt translation quality. We explain why this…

计算与语言 · 计算机科学 2018-10-30 Yilin Yang , Liang Huang , Mingbo Ma

This paper addresses the Restricted Longest Common Subsequence (RLCS) problem, an extension of the well-known Longest Common Subsequence (LCS) problem. This problem has significant applications in bioinformatics, particularly for…

人工智能 · 计算机科学 2024-10-17 Marko Djukanović , Jaume Reixach , Ana Nikolikj , Tome Eftimov , Aleksandar Kartelj , Christian Blum