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A key challenge in satisficing planning is to use multiple heuristics within one heuristic search. An aggregation of multiple heuristic estimates, for example by taking the maximum, has the disadvantage that bad estimates of a single…

人工智能 · 计算机科学 2021-04-13 David Speck , André Biedenkapp , Frank Hutter , Robert Mattmüller , Marius Lindauer

We provide a framework for accelerating reinforcement learning (RL) algorithms by heuristics constructed from domain knowledge or offline data. Tabula rasa RL algorithms require environment interactions or computation that scales with the…

机器学习 · 计算机科学 2021-11-23 Ching-An Cheng , Andrey Kolobov , Adith Swaminathan

We present unsupervised parameter learning in a Gaussian variational inference setting that combines classic trajectory estimation for mobile robots with deep learning for rich sensor data, all under a single learning objective. The…

机器人学 · 计算机科学 2021-02-23 David J. Yoon , Haowei Zhang , Mona Gridseth , Hugues Thomas , Timothy D. Barfoot

In this article, we use the theory of quantum channels and open quantum systems to provide an efficient unitary characterization of a class of stochastic generators known as quantum hidden Markov models (QHMMs). By utilizing the unitary…

量子物理 · 物理学 2025-02-27 Vanio Markov , Vladimir Rastunkov , Amol Deshmukh , Daniel Fry , Charlee Stefanski

It is well known that for some tasks, labeled data sets may be hard to gather. Therefore, we wished to tackle here the problem of having insufficient training data. We examined learning methods from unlabeled data after an initial training…

机器学习 · 计算机科学 2018-04-06 Gal Hyams , Daniel Greenfeld , Dor Bank

This paper introduces a new nonlinear dictionary learning method for histograms in the probability simplex. The method leverages optimal transport theory, in the sense that our aim is to reconstruct histograms using so-called displacement…

Neural networks have demonstrated exceptional performance in supervised learning, benefiting from abundant high-quality annotated data. However, obtaining such data in real-world scenarios is costly and labor-intensive. Semi-supervised…

机器学习 · 计算机科学 2025-06-03 Shuai Zhao , Heyan Huang , Xinge Li , Xiaokang Chen , Rui Wang

Reinforcement learning has seen wide success in finetuning large language models to better align with instructions via human feedback. The so-called algorithm, Reinforcement Learning with Human Feedback (RLHF) demonstrates impressive…

计算与语言 · 计算机科学 2023-02-13 Tianjun Zhang , Fangchen Liu , Justin Wong , Pieter Abbeel , Joseph E. Gonzalez

Semi-supervised learning provides a solution to reduce the dependency of machine learning on labeled data. As one of the efficient semi-supervised techniques, self-training (ST) has received increasing attention. Several advancements have…

机器学习 · 计算机科学 2024-04-22 Jifeng Guo , Zhulin Liu , Tong Zhang , C. L. Philip Chen

Self-supervised visual representation methods are closing the gap with supervised learning performance. These methods rely on maximizing the similarity between embeddings of related synthetic inputs created through data augmentations. This…

机器学习 · 计算机科学 2023-06-09 Alexandre Devillers , Mathieu Lefort

We present a new method LiST is short for Lite Prompted Self-Training for parameter-efficient fine-tuning of large pre-trained language models (PLMs) for few-shot learning. LiST improves over recent methods that adopt prompt-based…

计算与语言 · 计算机科学 2022-05-20 Yaqing Wang , Subhabrata Mukherjee , Xiaodong Liu , Jing Gao , Ahmed Hassan Awadallah , Jianfeng Gao

Accelerating Machine Learning (ML) workloads requires efficient methods due to their large optimization space. Autotuning has emerged as an effective approach for systematically evaluating variations of implementations. Traditionally,…

硬件体系结构 · 计算机科学 2026-01-30 Rebecca Pelke , Nils Bosbach , Lennart M. Reimann , Rainer Leupers

Learning to plan for long horizons is a central challenge in episodic reinforcement learning problems. A fundamental question is to understand how the difficulty of the problem scales as the horizon increases. Here the natural measure of…

机器学习 · 计算机科学 2020-07-10 Ruosong Wang , Simon S. Du , Lin F. Yang , Sham M. Kakade

Objective: Epilepsy, a prevalent neurological disease, demands careful diagnosis and continuous care. Seizure detection remains challenging, as current clinical practice relies on expert analysis of electroencephalography, which is a…

机器学习 · 计算机科学 2025-09-18 Amirhossein Shahbazinia , Jonathan Dan , Jose A. Miranda , Giovanni Ansaloni , David Atienza

Learning a set of tasks over time, also known as continual learning (CL), is one of the most challenging problems in artificial intelligence. While recent approaches achieve some degree of CL in deep neural networks, they either (1) grow…

机器学习 · 计算机科学 2019-07-15 Blake Camp , Jaya Krishna Mandivarapu , Rolando Estrada

In this paper, we solve the sample shortage problem in the human parsing task. We begin with the self-learning strategy, which generates pseudo-labels for unlabeled data to retrain the model. However, directly using noisy pseudo-labels will…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Tao Li , Zhiyuan Liang , Sanyuan Zhao , Jiahao Gong , Jianbing Shen

The calibration and training of a neural network is a complex and time-consuming procedure that requires significant computational resources to achieve satisfactory results. Key obstacles are a large number of hyperparameters to select and…

机器学习 · 计算机科学 2023-09-07 Raffaele Giuseppe Cestari , Gabriele Maroni , Loris Cannelli , Dario Piga , Simone Formentin

We propose a novel unsupervised cross-modal homography estimation learning framework, named Split Supervised Homography estimation Network (SSHNet). SSHNet reformulates the unsupervised cross-modal homography estimation into two supervised…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Junchen Yu , Si-Yuan Cao , Runmin Zhang , Chenghao Zhang , Zhu Yu , Shujie Chen , Bailin Yang , Hui-liang Shen

In many real-world applications of regression, conditional probability estimation, and uncertainty quantification, exploiting symmetries rooted in physics or geometry can dramatically improve generalization and sample efficiency. While…

We present HUME, a simple model-agnostic framework for inferring human labeling of a given dataset without any external supervision. The key insight behind our approach is that classes defined by many human labelings are linearly separable…

机器学习 · 计算机科学 2023-11-07 Artyom Gadetsky , Maria Brbic