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Recent semi-supervised learning (SSL) methods typically include a filtering strategy to improve the quality of pseudo labels. However, these filtering strategies are usually hand-crafted and do not change as the model is updated, resulting…

机器学习 · 计算机科学 2023-09-19 Lei Zhu , Zhanghan Ke , Rynson Lau

Wireless signal recognition (WSR) is crucial in modern and future wireless communication networks since it aims to identify properties of the received signal. Although many deep learning-based WSR models have been developed, they still rely…

信号处理 · 电气工程与系统科学 2024-04-04 Hao Zhang , Fuhui Zhou , Qihui Wu , Naofal Al-Dhahir

In the domain of semi-supervised learning (SSL), the conventional approach involves training a learner with a limited amount of labeled data alongside a substantial volume of unlabeled data, both drawn from the same underlying distribution.…

机器学习 · 计算机科学 2023-08-29 Guy Hacohen , Daphna Weinshall

Open-world semi-supervised learning (OWSSL) extends conventional semi-supervised learning to open-world scenarios by taking account of novel categories in unlabeled datasets. Despite the recent advancements in OWSSL, the success often…

计算机视觉与模式识别 · 计算机科学 2024-06-03 Seongheon Park , Hyuk Kwon , Kwanghoon Sohn , Kibok Lee

Semi-supervised learning (SSL) can reduce the need for large labelled datasets by incorporating unlabelled data into the training. This is particularly interesting for semantic segmentation, where labelling data is very costly and…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Sebastian Scherer , Robin Schön , Rainer Lienhart

Few-Shot Learning (FSL) algorithms have made substantial progress in learning novel concepts with just a handful of labelled data. To classify query instances from novel classes encountered at test-time, they only require a support set…

机器学习 · 计算机科学 2021-08-06 Etienne Bennequin , Victor Bouvier , Myriam Tami , Antoine Toubhans , Céline Hudelot

Noisy labels are an unavoidable consequence of labeling processes and detecting them is an important step towards preventing performance degradations in Convolutional Neural Networks. Discarding noisy labels avoids a harmful memorization,…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Diego Ortego , Eric Arazo , Paul Albert , Noel E. O'Connor , Kevin McGuinness

In recent years, semi-supervised learning (SSL) has gained significant attention due to its ability to leverage both labeled and unlabeled data to improve model performance, especially when labeled data is scarce. However, most current SSL…

机器学习 · 计算机科学 2024-05-06 Marzi Heidari , Hanping Zhang , Yuhong Guo

Performance in Speech Emotion Recognition (SER) on a single language has increased greatly in the last few years thanks to the use of deep learning techniques. However, cross-lingual SER remains a challenge in real-world applications due to…

The problem of fully supervised classification is that it requires a tremendous amount of annotated data, however, in many datasets a large portion of data is unlabeled. To alleviate this problem semi-supervised learning (SSL) leverages the…

机器学习 · 计算机科学 2022-07-26 Ehsan Kazemi

Semi-supervised learning (SSL) partially circumvents the high cost of labeling data by augmenting a small labeled dataset with a large and relatively cheap unlabeled dataset drawn from the same distribution. This paper offers a novel…

机器学习 · 计算机科学 2017-12-13 Saki Shinoda , Daniel E. Worrall , Gabriel J. Brostow

Distribution shift, a change in the statistical properties of data over time, poses a critical challenge for deep learning anomaly detection systems. Existing anomaly detection systems often struggle to adapt to these shifts. Specifically,…

密码学与安全 · 计算机科学 2026-05-19 Ehssan Mousavipour , Andrey Dimanchev , Majid Ghaderi

We propose a framework for learning calibrated uncertainties under domain shifts, where the source (training) distribution differs from the target (test) distribution. We detect such domain shifts via a differentiable density ratio…

机器学习 · 计算机科学 2024-02-07 Haoxuan Wang , Zhiding Yu , Yisong Yue , Anima Anandkumar , Anqi Liu , Junchi Yan

Semi-supervised learning (SSL) leverages both labeled and unlabeled data for training models when the labeled data is limited and the unlabeled data is vast. Frequently, the unlabeled data is more widely available than the labeled data,…

图像与视频处理 · 电气工程与系统科学 2022-11-07 Isaac Benavides-Mata , Saul Calderon-Ramirez

Supervised contour detection methods usually require many labeled training images to obtain satisfactory performance. However, a large set of annotated data might be unavailable or extremely labor intensive. In this paper, we investigate…

计算机视觉与模式识别 · 计算机科学 2016-05-18 Zizhao Zhang , Fuyong Xing , Xiaoshuang Shi , Lin Yang

Deep Learning (DL) based methods for object detection achieve remarkable performance at the cost of computationally expensive training and extensive data labeling. Robots embodiment can be exploited to mitigate this burden by acquiring…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Elisa Maiettini , Andrea Maracani , Raffaello Camoriano , Giulia Pasquale , Vadim Tikhanoff , Lorenzo Rosasco , Lorenzo Natale

The advancement of deep learning has greatly improved supervised image classification. However, labeling data is costly, prompting research into unsupervised learning methods such as contrastive learning. In real-world scenarios, fully…

人工智能 · 计算机科学 2026-01-09 Shogo Nakayama , Masahiro Okuda

Long-Tailed Semi-Supervised Learning (LTSSL) aims to learn from class-imbalanced data where only a few samples are annotated. Existing solutions typically require substantial cost to solve complex optimization problems, or class-balanced…

机器学习 · 计算机科学 2022-05-27 Tong Wei , Qian-Yu Liu , Jiang-Xin Shi , Wei-Wei Tu , Lan-Zhe Guo

Semi-Supervised Learning (SSL) approaches have been an influential framework for the usage of unlabeled data when there is not a sufficient amount of labeled data available over the course of training. SSL methods based on Convolutional…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Fariborz Taherkhani , Hadi Kazemi , Ali Dabouei , Jeremy Dawson , Nasser M. Nasrabadi

Traditional semi-supervised learning (SSL) assumes that the feature distributions of labeled and unlabeled data are consistent which rarely holds in realistic scenarios. In this paper, we propose a novel SSL setting, where unlabeled samples…

计算机视觉与模式识别 · 计算机科学 2024-06-03 Jiachen Liang , Ruibing Hou , Hong Chang , Bingpeng Ma , Shiguang Shan , Xilin Chen