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Recent domain adaptation methods have demonstrated impressive improvement on unsupervised domain adaptation problems. However, in the semi-supervised domain adaptation (SSDA) setting where the target domain has a few labeled instances…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Bingyu Liu , Yuhong Guo , Jieping Ye , Weihong Deng

Recent advances in deep learning have relied on large, labelled datasets to train high-capacity models. However, collecting large datasets in a time- and cost-efficient manner often results in label noise. We present a method for learning…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Ahmet Iscen , Jack Valmadre , Anurag Arnab , Cordelia Schmid

Designing robust algorithms capable of training accurate neural networks on uncurated datasets from the web has been the subject of much research as it reduces the need for time consuming human labor. The focus of many previous research…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Paul Albert , Eric Arazo , Tarun Krishna , Noel E. O'Connor , Kevin McGuinness

In recent years, $Q$-learning has become indispensable for model-free reinforcement learning (MFRL). However, it suffers from well-known problems such as under- and overestimation bias of the value, which may adversely affect the policy…

机器学习 · 计算机科学 2021-02-09 Youngmin Oh , Jinwoo Shin , Eunho Yang , Sung Ju Hwang

In this work we propose a planning and acting architecture endowed with a module which learns to select subgoals with Deep Q-Learning. This allows us to decrease the load of a planner when faced with scenarios with real-time restrictions.…

人工智能 · 计算机科学 2024-06-24 Carlos Núñez-Molina , Juan Fernández-Olivares , Raúl Pérez

Mislabeled samples are ubiquitous in real-world datasets as rule-based or expert labeling is usually based on incorrect assumptions or subject to biased opinions. Neural networks can "memorize" these mislabeled samples and, as a result,…

机器学习 · 计算机科学 2021-11-24 Katharina Rombach , Gabriel Michau , Olga Fink

Q-learning is a widely used reinforcement learning technique for solving path planning problems. It primarily involves the interaction between an agent and its environment, enabling the agent to learn an optimal strategy that maximizes…

机器人学 · 计算机科学 2024-12-18 Yiming Ji , Kaijie Yun , Yang Liu , Zongwu Xie , Hong Liu

The deep reinforcement learning method usually requires a large number of training images and executing actions to obtain sufficient results. When it is extended a real-task in the real environment with an actual robot, the method will be…

计算机视觉与模式识别 · 计算机科学 2018-06-05 Daiki Kimura

Learning with noisy labels has aroused much research interest since data annotations, especially for large-scale datasets, may be inevitably imperfect. Recent approaches resort to a semi-supervised learning problem by dividing training…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Kai Wang , Xiangyu Peng , Shuo Yang , Jianfei Yang , Zheng Zhu , Xinchao Wang , Yang You

Meta-learning can extract an inductive bias from previous learning experience and assist the training of new tasks. It is often realized through optimizing a meta-model with the evaluation loss of task-specific solvers. Most existing…

机器学习 · 计算机科学 2021-12-20 Su Lu , Han-Jia Ye , Le Gan , De-Chuan Zhan

We present the first deep learning model to successfully learn control policies directly from high-dimensional sensory input using reinforcement learning. The model is a convolutional neural network, trained with a variant of Q-learning,…

Quadratic discriminant analysis (QDA) is a widely used classification technique. Based on a training dataset, each class in the data is characterized by an estimate of its center and shape, which can then be used to assign unseen…

统计方法学 · 统计学 2021-01-13 Iwein Vranckx , Jakob Raymaekers , Bart De Ketelaere , Peter J. Rousseeuw , Mia Hubert

The growing importance of massive datasets used for deep learning makes robustness to label noise a critical property for classifiers to have. Sources of label noise include automatic labeling, non-expert labeling, and label corruption by…

机器学习 · 计算机科学 2019-01-30 Dan Hendrycks , Mantas Mazeika , Duncan Wilson , Kevin Gimpel

Training deep neural networks(DNN) with noisy labels is challenging since DNN can easily memorize inaccurate labels, leading to poor generalization ability. Recently, the meta-learning based label correction strategy is widely adopted to…

计算机视觉与模式识别 · 计算机科学 2023-02-20 Yuanpeng Tu , Boshen Zhang , Yuxi Li , Liang Liu , Jian Li , Yabiao Wang , Chengjie Wang , Cai Rong Zhao

Learning reward functions from data is a promising path towards achieving scalable Reinforcement Learning (RL) for robotics. However, a major challenge in training agents from learned reward models is that the agent can learn to exploit…

机器学习 · 计算机科学 2019-11-04 Danfei Xu , Misha Denil

With the swift advancement of deep learning, state-of-the-art algorithms have been utilized in various social situations. Nonetheless, some algorithms have been discovered to exhibit biases and provide unequal results. The current debiasing…

机器学习 · 计算机科学 2024-07-02 Shangxi Wu , Qiuyang He , Jian Yu , Jitao Sang

Distributionally robust reinforcement learning (DRRL) focuses on designing policies that achieve good performance under model uncertainties. The goal is to maximize the worst-case long-term discounted reward, where the data for RL comes…

机器学习 · 计算机科学 2026-03-17 Saptarshi Mandal , Yashaswini Murthy , R. Srikant

Addressing bias in the trained machine learning system often requires access to sensitive attributes. In practice, these attributes are not available either due to legal and policy regulations or data unavailability for a given demographic.…

机器学习 · 计算机科学 2023-12-27 Bhushan Chaudhary , Anubha Pandey , Deepak Bhatt , Darshika Tiwari

We explore the problem of learning under selective labels in the context of algorithm-assisted decision making. Selective labels is a pervasive selection bias problem that arises when historical decision making blinds us to the true outcome…

机器学习 · 计算机科学 2018-07-06 Maria De-Arteaga , Artur Dubrawski , Alexandra Chouldechova

Deep learning underpins most of the currently advanced natural language processing (NLP) tasks such as textual classification, neural machine translation (NMT), abstractive summarization and question-answering (QA). However, the robustness…

计算与语言 · 计算机科学 2024-11-14 Jiyao Li , Mingze Ni , Yongshun Gong , Wei Liu