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Bayesian inference promises to ground and improve the performance of deep neural networks. It promises to be robust to overfitting, to simplify the training procedure and the space of hyperparameters, and to provide a calibrated measure of…

机器学习 · 计算机科学 2019-08-12 Jonathan Heek , Nal Kalchbrenner

Class imbalance poses a significant challenge in classification tasks, where traditional approaches often lead to biased models and unreliable predictions. Undersampling and oversampling techniques have been commonly employed to address…

Deep multi-view subspace clustering (DMVSC) has recently attracted increasing attention due to its promising performance. However, existing DMVSC methods still have two issues: (1) they mainly focus on using autoencoders to nonlinearly…

机器学习 · 计算机科学 2023-05-12 Chenhang Cui , Yazhou Ren , Jingyu Pu , Xiaorong Pu , Lifang He

Automated classifiers (ACs), often built via supervised machine learning (SML), can categorize large, statistically powerful samples of data ranging from text to images and video, and have become widely popular measurement devices in…

机器学习 · 计算机科学 2024-12-10 Nathan TeBlunthuis , Valerie Hase , Chung-Hong Chan

Standard Bayesian inference is known to be sensitive to model misspecification, leading to unreliable uncertainty quantification and poor predictive performance. However, finding generally applicable and computationally feasible methods for…

统计方法学 · 统计学 2020-07-31 Jonathan H. Huggins , Jeffrey W. Miller

As social media continues to grow rapidly, the prevalence of harassment on these platforms has also increased. This has piqued the interest of researchers in the field of fake detection. Social media data, often forms complex graphs with…

机器学习 · 计算机科学 2025-02-11 Jinus Bordbar , Saman Ardalan , Mohammadreza Mohammadrezaie , Zahra Ghasemi

Sparse autoencoders (SAEs) are used to decompose neural network activations into human-interpretable features. Typically, features learned by a single SAE are used for downstream applications. However, it has recently been shown that SAEs…

机器学习 · 计算机科学 2025-05-23 Soham Gadgil , Chris Lin , Su-In Lee

Semi-supervised Learning (SSL) reduces the need for extensive annotations in deep learning, but the more realistic challenge of imbalanced data distribution in SSL remains largely unexplored. In Class Imbalanced Semi-supervised Learning…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Qianhan Feng , Lujing Xie , Shijie Fang , Tong Lin

The high dimensional and semantically complex nature of textual Big data presents significant challenges for text clustering, which frequently lead to suboptimal groupings when using conventional techniques like k-means or hierarchical…

计算与语言 · 计算机科学 2025-08-25 Mohammad Wali Ur Rahman , Ric Nevarez , Lamia Tasnim Mim , Salim Hariri

Credit scoring is a rapidly expanding analytical technique used by banks and other financial institutions. Academic studies on credit scoring provide a range of classification techniques used to differentiate between good and bad borrowers.…

机器学习 · 计算机科学 2020-10-27 Hamidreza Arian , Seyed Mohammad Sina Seyfi , Azin Sharifi

Cybersecurity has become essential worldwide and at all levels, concerning individuals, institutions, and governments. A basic principle in cybersecurity is to be always alert. Therefore, automation is imperative in processes where the…

机器学习 · 计算机科学 2025-05-08 Mateo Lopez-Ledezma , Gissel Velarde

Current semi-supervised learning (SSL) methods assume a balance between the number of data points available for each class in both the labeled and the unlabeled data sets. However, there naturally exists a class imbalance in most real-world…

机器学习 · 计算机科学 2022-03-14 Suraj Kothawade , Pavan Kumar Reddy , Ganesh Ramakrishnan , Rishabh Iyer

Credit risk scoring must support high-stakes lending decisions where data distributions change over time, probability estimates must be reliable, and group-level fairness is required. While modern machine learning models improve default…

风险管理 · 定量金融 2026-03-10 Srikumar Nayak

Classic variational autoencoders are used to learn complex data distributions, that are built on standard function approximators. Especially, VAE has shown promise on a lot of complex task. In this paper, a new autoencoder model -…

计算机视觉与模式识别 · 计算机科学 2020-01-13 Qiuyu Zhu , Ruixin Zhang

This work contributes to breast cancer sub-type classification using histopathological images. We utilize masked autoencoders (MAEs) to learn a self-supervised embedding tailored for computer vision tasks in this domain. This embedding…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Annalisa Chiocchetti , Marco Dossena , Christopher Irwin , Luigi Portinale

Bayesian Neural Networks (BNNs) offer a principled and natural framework for proper uncertainty quantification in the context of deep learning. They address the typical challenges associated with conventional deep learning methods, such as…

统计计算 · 统计学 2024-11-13 Zahra Moslemi , Yang Meng , Shiwei Lan , Babak Shahbaba

Semi-supervised learning (SSL) has shown notable potential in relieving the heavy demand of dense prediction tasks on large-scale well-annotated datasets, especially for the challenging multi-organ segmentation (MoS). However, the…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Zhenghao Feng , Lu Wen , Yuanyuan Xu , Binyu Yan , Xi Wu , Jiliu Zhou , Yan Wang

Study Objectives: Inter-scorer variability in scoring polysomnograms is a well-known problem. Most of the existing automated sleep scoring systems are trained using labels annotated by a single scorer, whose subjective evaluation is…

机器学习 · 计算机科学 2023-02-14 Luigi Fiorillo , Davide Pedroncelli , Valentina Agostini , Paolo Favaro , Francesca Dalia Faraci

With growing credit card transaction volumes, the fraud percentages are also rising, including overhead costs for institutions to combat and compensate victims. The use of machine learning into the financial sector permits more effective…

机器学习 · 计算机科学 2022-08-26 Gayan K. Kulatilleke , Sugandika Samarakoon

Deep learning methods can classify various unstructured data such as images, language, and voice as input data. As the task of classifying anomalies becomes more important in the real world, various methods exist for classifying using deep…

计算机视觉与模式识别 · 计算机科学 2022-01-06 UJu Gim , YeongHyeon Park