中文
相关论文

相关论文: Offline Clustering Approach to Self-supervised Lea…

200 篇论文

Online class imbalance learning deals with data streams that are affected by both concept drift and class imbalance. Online learning tries to find a trade-off between exploiting previously learned information and incorporating new…

机器学习 · 计算机科学 2021-03-29 Amir Abolfazli , Eirini Ntoutsi

Consistency training, which exploits both supervised and unsupervised learning with different augmentations on image, is an effective method of utilizing unlabeled data in semi-supervised learning (SSL) manner. Here, we present another…

计算机视觉与模式识别 · 计算机科学 2021-09-01 Juyong Lee , Seunghyuk Cho

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

Deep learning models have gained remarkable performance on a variety of image classification tasks. However, many models suffer from limited performance in clinical or medical settings when data are imbalanced. To address this challenge, we…

图像与视频处理 · 电气工程与系统科学 2022-04-15 Long Gao , Chang Liu , Dooman Arefan , Ashok Panigrahy , Margarita L. Zuley , Shandong Wu

Image clustering is an important and open-challenging task in computer vision. Although many methods have been proposed to solve the image clustering task, they only explore images and uncover clusters according to the image features, thus…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Shaotian Cai , Liping Qiu , Xiaojun Chen , Qin Zhang , Longteng Chen

Class-imbalanced learning (CIL) on tabular data is important in many real-world applications where the minority class holds the critical but rare outcomes. In this paper, we present CLIMB, a comprehensive benchmark for class-imbalanced…

机器学习 · 计算机科学 2025-10-21 Zhining Liu , Zihao Li , Ze Yang , Tianxin Wei , Jian Kang , Yada Zhu , Hendrik Hamann , Jingrui He , Hanghang Tong

The expansion of machine learning into dynamic environments presents challenges in handling open-world problems where label shift, covariate shift, and unknown classes emerge. Post-training methods have been explored to address these…

机器学习 · 计算机科学 2025-08-26 Miru Kim , Mugon Joe , Minhae Kwon

Training of deep neural networks heavily depends on the data distribution. In particular, the networks easily suffer from class imbalance. The trained networks would recognize the frequent classes better than the infrequent classes. To…

计算机视觉与模式识别 · 计算机科学 2020-03-12 Byungju Kim , Junmo Kim

Class imbalance refers to a situation where certain classes in a dataset have significantly fewer samples than oth- ers, leading to biased model performance. Class imbalance in network intrusion detection using Tabular Denoising Diffusion…

密码学与安全 · 计算机科学 2026-02-02 Aravind B , Anirud R. S. , Sai Surya Teja N , Bala Subrahmanya Sriranga Navaneeth A , Karthika R , Mohankumar N

The aim of Active Learning is to select the most informative samples from an unlabelled set of data. This is useful in cases where the amount of data is large and labelling is expensive, such as in machine vision or medical imaging. Two…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Julien Combes , Alexandre Derville , Jean-François Coeurjolly

Fine-grained image classification involves identifying different subcategories of a class which possess very subtle discriminatory features. Fine-grained datasets usually provide bounding box annotations along with class labels to aid the…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Farha Al Breiki , Muhammad Ridzuan , Rushali Grandhe

Real-world data often follow a long-tailed distribution as the frequency of each class is typically different. For example, a dataset can have a large number of under-represented classes and a few classes with more than sufficient data.…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Peng Chu , Xiao Bian , Shaopeng Liu , Haibin Ling

Unsupervised representation learning with contrastive learning achieved great success. This line of methods duplicate each training batch to construct contrastive pairs, making each training batch and its augmented version forwarded…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Pengguang Chen , Shu Liu , Jiaya Jia

A deep clustering model conceptually consists of a feature extractor that maps data points to a latent space, and a clustering head that groups data points into clusters in the latent space. Although the two components used to be trained…

计算机视觉与模式识别 · 计算机科学 2022-07-28 Xingzhi Zhou , Nevin L. Zhang

Class imbalance in training datasets can lead to bias and poor generalization in machine learning models. While pre-processing of training datasets can efficiently address both these issues in centralized learning environments, it is…

密码学与安全 · 计算机科学 2024-10-29 Arpit Guleria , J. Harshan , Ranjitha Prasad , B. N. Bharath

Aligning distributions of view representations is a core component of today's state of the art models for deep multi-view clustering. However, we identify several drawbacks with na\"ively aligning representation distributions. We…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Daniel J. Trosten , Sigurd Løkse , Robert Jenssen , Michael Kampffmeyer

In the financial risk domain, particularly in credit default prediction and fraud detection, accurate identification of high-risk class instances is paramount, as their occurrence can have significant economic implications. Although machine…

机器学习 · 计算机科学 2024-09-17 Xu Sun , Zixuan Qin , Shun Zhang , Yuexian Wang , Li Huang

Semi-supervised learning approaches train on small sets of labeled data along with large sets of unlabeled data. Self-training is a semi-supervised teacher-student approach that often suffers from the problem of "confirmation bias" that…

机器学习 · 计算机科学 2023-01-19 Aswathnarayan Radhakrishnan , Jim Davis , Zachary Rabin , Benjamin Lewis , Matthew Scherreik , Roman Ilin

Neural network representations contain structure beyond what was present in the training labels. For instance, representations of images that are visually or semantically similar tend to lie closer to each other than to dissimilar images,…

机器学习 · 计算机科学 2023-11-15 Thao Nguyen , Simon Kornblith

In medical image classification tasks, it is common to find that the number of normal samples far exceeds the number of abnormal samples. In such class-imbalanced situations, reliable training of deep neural networks continues to be a major…

机器学习 · 计算机科学 2022-04-06 Sivaramakrishnan Rajaraman , Prasanth Ganesan , Sameer Antani