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Fine-grained classification remains a very challenging problem, because of the absence of well-labeled training data caused by the high cost of annotating a large number of fine-grained categories. In the extreme case, given a set of test…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Li Niu , Ashok Veeraraghavan , Ashu Sabharwal

There has been increased interest in devising learning techniques that combine unlabeled data with labeled data ? i.e. semi-supervised learning. However, to the best of our knowledge, no study has been performed across various techniques…

机器学习 · 计算机科学 2011-09-12 N. V. Chawla , Grigoris Karakoulas

Semi-supervised algorithms aim to learn prediction functions from a small set of labeled observations and a large set of unlabeled observations. Because this framework is relevant in many applications, they have received a lot of interest…

机器学习 · 计算机科学 2025-02-17 Massih-Reza Amini , Vasilii Feofanov , Loic Pauletto , Lies Hadjadj , Emilie Devijver , Yury Maximov

The original problem of supervised classification considers the task of automatically assigning objects to their respective classes on the basis of numerical measurements derived from these objects. Classifiers are the tools that implement…

机器学习 · 计算机科学 2017-10-26 Marco Loog

Since data is the fuel that drives machine learning models, and access to labeled data is generally expensive, semi-supervised methods are constantly popular. They enable the acquisition of large datasets without the need for too many…

机器学习 · 计算机科学 2023-01-12 Jędrzej Kozal , Michał Woźniak

Multi-label classification is a common supervised machine learning problem where each instance is associated with multiple classes. The key challenge in this problem is learning the correlations between the classes. An additional challenge…

机器学习 · 计算机科学 2016-04-05 Divya Padmanabhan , Satyanath Bhat , Shirish Shevade , Y. Narahari

Existing weakly or semi-supervised semantic segmentation methods utilize image or box-level supervision to generate pseudo-labels for weakly labeled images. However, due to the lack of strong supervision, the generated pseudo-labels are…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Md Amirul Islam , Matthew Kowal , Sen Jia , Konstantinos G. Derpanis , Neil D. B. Bruce

The amount of manually labeled data is limited in medical applications, so semi-supervised learning and automatic labeling strategies can be an asset for training deep neural networks. However, the quality of the automatically generated…

机器学习 · 计算机科学 2022-03-04 Wenhui Cui , Haleh Akrami , Anand A. Joshi , Richard M. Leahy

In semi-supervised learning for classification, it is assumed that every ground truth class of data is present in the small labelled dataset. Many real-world sparsely-labelled datasets are plausibly not of this type. It could easily be the…

机器学习 · 统计学 2021-01-11 Matthew Willetts , Stephen J Roberts , Christopher C Holmes

Relational data sources are still one of the most popular ways to store enterprise or Web data, however, the issue with relational schema is the lack of a well-defined semantic description. A common ontology provides a way to represent the…

机器学习 · 计算机科学 2018-01-31 Natalia Ruemmele , Yuriy Tyshetskiy , Alex Collins

There has been increasing attention to semi-supervised learning (SSL) approaches in machine learning to forming a classifier in situations where the training data for a classifier consists of a limited number of classified observations but…

机器学习 · 统计学 2021-11-10 Daniel Ahfock , Geoffrey J. McLachlan

Open-set semi-supervised learning (OSSL) embodies a practical scenario within semi-supervised learning, wherein the unlabeled training set encompasses classes absent from the labeled set. Many existing OSSL methods assume that these…

机器学习 · 计算机科学 2023-12-04 Erik Wallin , Lennart Svensson , Fredrik Kahl , Lars Hammarstrand

Semi-supervised learning is a setting in which one has labeled and unlabeled data available. In this survey we explore different types of theoretical results when one uses unlabeled data in classification and regression tasks. Most methods…

机器学习 · 计算机科学 2020-07-31 Alexander Mey , Marco Loog

With the development of deep learning techniques, supervised learning has achieved performances surpassing those of humans. Researchers have designed numerous corresponding models for different data modalities, achieving excellent results…

人工智能 · 计算机科学 2023-08-29 Qiang Li , Qiuyang Ma , Weizhi Nie , Anan Liu

Supervised learning, especially supervised deep learning, requires large amounts of labeled data. One approach to collect large amounts of labeled data is by using a crowdsourcing platform where numerous workers perform the annotation…

机器学习 · 计算机科学 2023-08-22 Kosuke Yoshimura , Hisashi Kashima

In online classification, a learner is presented with a sequence of examples and aims to predict their labels in an online fashion so as to minimize the total number of mistakes. In the self-directed variant, the learner knows in advance…

机器学习 · 计算机科学 2023-08-08 Ilias Diakonikolas , Vasilis Kontonis , Christos Tzamos , Nikos Zarifis

Classical machine learning assumes that the training and test sets come from the same distributions. Therefore, a model learned from the labeled training data is expected to perform well on the test data. However, This assumption may not…

机器学习 · 计算机科学 2020-10-12 Abolfazl Farahani , Sahar Voghoei , Khaled Rasheed , Hamid R. Arabnia

The need for labeled data is among the most common and well-known practical obstacles to deploying deep learning algorithms to solve real-world problems. The current generation of learning algorithms requires a large volume of data labeled…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Aaron Reite , Scott Kangas , Zackery Steck , Steven Goley , Jonathan Von Stroh , Steven Forsyth

Semi-Supervised Learning (SSL) is a framework that utilizes both labeled and unlabeled data to enhance model performance. Conventional SSL methods operate under the assumption that labeled and unlabeled data share the same label space.…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Noam Fluss , Guy Hacohen , Daphna Weinshall

The remarkable success of today's deep neural networks highly depends on a massive number of correctly labeled data. However, it is rather costly to obtain high-quality human-labeled data, leading to the active research area of training…

机器学习 · 计算机科学 2020-11-04 Jiacheng Wang , Yue Ma , Shuang Gao