中文
相关论文

相关论文: Fake detection in imbalance dataset by Semi-superv…

200 篇论文

Imbalanced regression refers to prediction tasks where the target variable is skewed. This skewness hinders machine learning models, especially neural networks, which concentrate on dense regions and therefore perform poorly on…

机器学习 · 计算机科学 2025-08-11 Shayan Alahyari , Mike Domaratzki

Anomaly detection has wide applications in machine intelligence but is still a difficult unsolved problem. Major challenges include the rarity of labeled anomalies and it is a class highly imbalanced problem. Traditional unsupervised…

机器学习 · 计算机科学 2021-04-27 Zhi Chen , Jiang Duan , Li Kang , Guoping Qiu

We present a novel self-supervised learning approach for conditional generative adversarial networks (GANs) under a semi-supervised setting. Unlike prior self-supervised approaches which often involve geometric augmentations on the image…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Jiaze Sun , Binod Bhattarai , Tae-Kyun Kim

The prevalence of memes on social media has created the need to sentiment analyze their underlying meanings for censoring harmful content. Meme censoring systems by machine learning raise the need for a semi-supervised learning solution to…

机器学习 · 计算机科学 2023-05-17 Pham Thai Hoang Tung , Nguyen Tan Viet , Ngo Tien Anh , Phan Duy Hung

Semi-Supervised Learning (SSL) has shown its strong ability in utilizing unlabeled data when labeled data is scarce. However, most SSL algorithms work under the assumption that the class distributions are balanced in both training and test…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Ju He , Adam Kortylewski , Shaokang Yang , Shuai Liu , Cheng Yang , Changhu Wang , Alan Yuille

Machine learning methods are increasingly helping astronomers identify new radio pulsars. However, they require a large amount of labelled data, which is time consuming to produce and biased. Here we describe a Semi-Supervised Generative…

天体物理仪器与方法 · 物理学 2021-05-14 Vishnu Balakrishnan , David Champion , Ewan Barr , Michael Kramer , Rahul Sengar , Matthew Bailes

As machine learning continues to develop, and data misuse scandals become more prevalent, individuals are becoming increasingly concerned about their personal information and are advocating for the right to remove their data. Machine…

机器学习 · 计算机科学 2023-08-22 Hui Sun , Tianqing Zhu , Wenhan Chang , Wanlei Zhou

Class imbalance in a dataset is one of the major challenges that can significantly impact the performance of machine learning models resulting in biased predictions. Numerous techniques have been proposed to address class imbalanced…

机器学习 · 计算机科学 2022-10-25 Md Manjurul Ahsan , Md Shahin Ali , Zahed Siddique

In the era of widespread social networks, the rapid dissemination of fake news has emerged as a significant threat, inflicting detrimental consequences across various dimensions of people's lives. Machine learning and deep learning…

机器学习 · 计算机科学 2024-02-14 Batool Lakzaei , Mostafa Haghir Chehreghani , Alireza Bagheri

In this work, we propose a simple yet effective semi-supervised learning approach called Augmented Distribution Alignment. We reveal that an essential sampling bias exists in semi-supervised learning due to the limited number of labeled…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Qin Wang , Wen Li , Luc Van Gool

Supervised classification methods have been widely utilized for the quality assurance of the advanced manufacturing process, such as additive manufacturing (AM) for anomaly (defects) detection. However, since abnormal states (with defects)…

机器学习 · 计算机科学 2022-11-29 Jihoon Chung , Bo Shen , Zhenyu , Kong

We introduce a new model for building conditional generative models in a semi-supervised setting to conditionally generate data given attributes by adapting the GAN framework. The proposed semi-supervised GAN (SS-GAN) model uses a pair of…

机器学习 · 统计学 2017-08-22 Kumar Sricharan , Raja Bala , Matthew Shreve , Hui Ding , Kumar Saketh , Jin Sun

Unsupervised learning of anomaly detection in high-dimensional data, such as images, is a challenging problem recently subject to intense research. Through careful modelling of the data distribution of normal samples, it is possible to…

计算机视觉与模式识别 · 计算机科学 2019-11-21 Amanda Berg , Jörgen Ahlberg , Michael Felsberg

We propose a simple yet effective method for detecting anomalous instances on an attribute graph with label information of a small number of instances. Although with standard anomaly detection methods it is usually assumed that instances…

机器学习 · 统计学 2020-02-28 Atsutoshi Kumagai , Tomoharu Iwata , Yasuhiro Fujiwara

Despite remarkable performance in producing realistic samples, Generative Adversarial Networks (GANs) often produce low-quality samples near low-density regions of the data manifold, e.g., samples of minor groups. Many techniques have been…

机器学习 · 计算机科学 2021-10-28 Jinhee Lee , Haeri Kim , Youngkyu Hong , Hye Won Chung

Semi-supervised semantic segmentation learns from small amounts of labelled images and large amounts of unlabelled images, which has witnessed impressive progress with the recent advance of deep neural networks. However, it often suffers…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Dayan Guan , Jiaxing Huang , Aoran Xiao , Shijian Lu

Anomaly detection is a fundamental problem in computer vision area with many real-world applications. Given a wide range of images belonging to the normal class, emerging from some distribution, the objective of this task is to construct…

计算机视觉与模式识别 · 计算机科学 2020-07-15 Chengwei Chen , Pan Chen , Haichuan Song , Yiqing Tao , Yuan Xie , Shouhong Ding , Lizhuang Ma

Class imbalance occurs in many real-world applications, including image classification, where the number of images in each class differs significantly. With imbalanced data, the generative adversarial networks (GANs) leans to majority class…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Yuchong Yao , Xiaohui Wangr , Yuanbang Ma , Han Fang , Jiaying Wei , Liyuan Chen , Ali Anaissi , Ali Braytee

Class imbalance in a dataset is a major problem for classifiers that results in poor prediction with a high true positive rate (TPR) but a low true negative rate (TNR) for a majority positive training dataset. Generally, the pre-processing…

机器学习 · 计算机科学 2022-03-29 Anuraganand Sharma , Prabhat Kumar Singh , Rohitash Chandra

Training deep networks with limited labeled data while achieving a strong generalization ability is key in the quest to reduce human annotation efforts. This is the goal of semi-supervised learning, which exploits more widely available…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Daiqing Li , Junlin Yang , Karsten Kreis , Antonio Torralba , Sanja Fidler