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State-of-the-art, high capacity deep neural networks not only require large amounts of labelled training data, they are also highly susceptible to label errors in this data, typically resulting in large efforts and costs and therefore…

Machine Learning · Computer Science 2020-07-20 Christian Haase-Schütz , Rainer Stal , Heinz Hertlein , Bernhard Sick

Self-training via pseudo labeling is a conventional, simple, and popular pipeline to leverage unlabeled data. In this work, we first construct a strong baseline of self-training (namely ST) for semi-supervised semantic segmentation via…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Lihe Yang , Wei Zhuo , Lei Qi , Yinghuan Shi , Yang Gao

Deep-learning-based methods have been favored in astrophysics owing to their adaptability and remarkable performance and have been applied to the task of the classification of real and bogus transients. Different from most existing…

Instrumentation and Methods for Astrophysics · Physics 2025-01-15 Yating Liu , Lulu Fan , Lei Hu , Junqiang Lu , Yan Lu , Zelin Xu , Jiazheng Zhu , Haochen Wang , Xu Kong

We consider statistical inference under a semi-supervised setting where we have access to both a labeled dataset consisting of pairs $\{X_i, Y_i \}_{i=1}^n$ and an unlabeled dataset $\{ X_i \}_{i=n+1}^{n+N}$. We ask the question: under what…

Statistics Theory · Mathematics 2025-03-20 Zichun Xu , Daniela Witten , Ali Shojaie

Dynamic facial expression recognition (DFER) aims to identify emotional states by modeling the temporal changes in facial movements across video sequences. A key challenge in DFER is the many-to-one labeling problem, where a video composed…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Gunho Jung , Heejo Kong , Seong-Whan Lee

Deep learning has revolutionized medical imaging, but its effectiveness is severely limited by insufficient labeled training data. This paper introduces a novel GAN-based semi-supervised learning framework specifically designed for low…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Guido Manni , Clemente Lauretti , Loredana Zollo , Paolo Soda

Semi- and weakly-supervised learning have recently attracted considerable attention in the object detection literature since they can alleviate the cost of annotation needed to successfully train deep learning models. State-of-art…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Akhil Meethal , Marco Pedersoli , Zhongwen Zhu , Francisco Perdigon Romero , Eric Granger

We present two techniques to improve landmark localization in images from partially annotated datasets. Our primary goal is to leverage the common situation where precise landmark locations are only provided for a small data subset, but…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Sina Honari , Pavlo Molchanov , Stephen Tyree , Pascal Vincent , Christopher Pal , Jan Kautz

While recent low-light image enhancement (LLIE) methods have made significant advancements, they still face challenges in terms of low visual quality and weak generalization ability when applied to complex scenarios. To address these…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Ye Yu , Fengxin Chen , Jun Yu , Zhen Kan

Graph-based methods have been demonstrated as one of the most effective approaches for semi-supervised learning, as they can exploit the connectivity patterns between labeled and unlabeled data samples to improve learning performance.…

Machine Learning · Computer Science 2019-07-01 Qimai Li , Xiao-Ming Wu , Han Liu , Xiaotong Zhang , Zhichao Guan

The advent of deep learning has led to a significant gain in machine translation. However, most of the studies required a large parallel dataset which is scarce and expensive to construct and even unavailable for some languages. This paper…

Computation and Language · Computer Science 2023-04-04 Viet H. Pham , Thang M. Pham , Giang Nguyen , Long Nguyen , Dien Dinh

Semi-supervised object detection (SSOD) aims to improve the performance and generalization of existing object detectors by utilizing limited labeled data and extensive unlabeled data. Despite many advances, recent SSOD methods are still…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Seyed Mojtaba Marvasti-Zadeh , Nilanjan Ray , Nadir Erbilgin

To address semi-supervised learning from both labeled and unlabeled data, we present a novel meta-learning scheme. We particularly consider that labeled and unlabeled data share disjoint ground truth label sets, which can be seen tasks like…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Yun-Chun Chen , Chao-Te Chou , Yu-Chiang Frank Wang

Reducing the amount of labels required to train convolutional neural networks without performance degradation is key to effectively reduce human annotation efforts. We propose Reliable Label Bootstrapping (ReLaB), an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 Paul Albert , Diego Ortego , Eric Arazo , Noel E. O'Connor , Kevin McGuinness

Retail scenes usually contain densely packed high number of objects in each image. Standard object detection techniques use fully supervised training methodology. This is highly costly as annotating a large dense retail object detection…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Jaydeep Chauhan , Srikrishna Varadarajan , Muktabh Mayank Srivastava

Federated learning (FL) is a promising privacy-preserving machine learning paradigm over distributed located data. In FL, the data is kept locally by each user. This protects the user privacy, but also makes the server difficult to verify…

Machine Learning · Computer Science 2022-06-14 Junyi Li , Jian Pei , Heng Huang

Music emotion recognition (MER) aims to identify the emotions conveyed in a given musical piece. However, currently, in the field of MER, the available public datasets have limited sample sizes. Recently, segment-based methods for…

Sound · Computer Science 2025-04-23 Yifu Sun , Xulong Zhang , Monan Zhou , Wei Li

Despite the vast literature on Human Activity Recognition (HAR) with wearable inertial sensor data, it is perhaps surprising that there are few studies investigating semisupervised learning for HAR, particularly in a challenging scenario…

Machine Learning · Computer Science 2021-01-14 Govind Narasimman , Kangkang Lu , Arun Raja , Chuan Sheng Foo , Mohamed Sabry Aly , Jie Lin , Vijay Chandrasekhar

Privacy concerns are considered one of the main challenges in smart cities as sharing sensitive data brings threatening problems to people's lives. Federated learning has emerged as an effective technique to avoid privacy infringement as…

Machine Learning · Computer Science 2020-03-06 Abdullatif Albaseer , Bekir Sait Ciftler , Mohamed Abdallah , Ala Al-Fuqaha

Active Learning (AL) and Semi-supervised Learning are two techniques that have been studied to reduce the high cost of deep learning by using a small amount of labeled data and a large amount of unlabeled data. To improve the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Jaeseung Lim , Jongkeun Na , Nojun Kwak
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