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Contrastive learning has shown outstanding performances in both supervised and unsupervised learning, and has recently been introduced to solve weakly supervised learning problems such as semi-supervised learning and noisy label learning.…

机器学习 · 计算机科学 2023-06-08 Jingyi Cui , Weiran Huang , Yifei Wang , Yisen Wang

Deep clustering successfully provides more effective features than conventional ones and thus becomes an important technique in current unsupervised learning. However, most deep clustering methods ignore the vital positive and negative…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Zhiyuan Dang , Cheng Deng , Xu Yang , Heng Huang

Semi-supervised learning methods are usually employed in the classification of data sets where only a small subset of the data items is labeled. In these scenarios, label noise is a crucial issue, since the noise may easily spread to a…

机器学习 · 计算机科学 2020-02-14 Fabricio Aparecido Breve , Liang Zhao , Marcos Gonçalves Quiles

Person re-identification (re-ID), is a challenging task due to the high variance within identity samples and imaging conditions. Although recent advances in deep learning have achieved remarkable accuracy in settled scenes, i.e., source…

计算机视觉与模式识别 · 计算机科学 2019-12-04 Fengxiang Yang , Ke Li , Zhun Zhong , Zhiming Luo , Xing Sun , Hao Cheng , Xiaowei Guo , Feiyue Huang , Rongrong Ji , Shaozi Li

A recurring focus of the deep learning community is towards reducing the labeling effort. Data gathering and annotation using a search engine is a simple alternative to generating a fully human-annotated and human-gathered dataset. Although…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Paul Albert , Diego Ortego , Eric Arazo , Noel O'Connor , Kevin McGuinness

In this paper, we study the problem of learning image classification models with label noise. Existing approaches depending on human supervision are generally not scalable as manually identifying correct or incorrect labels is…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Kuang-Huei Lee , Xiaodong He , Lei Zhang , Linjun Yang

Deep convolutional neural networks (CNNs) learned on large-scale labeled samples have achieved remarkable progress in computer vision, such as image/video classification. The cheapest way to obtain a large body of labeled visual data is to…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Zhenzhen Wang , Chunyan Xu , Yap-Peng Tan , Junsong Yuan

Supervised deep learning methods require a large repository of annotated data; hence, label noise is inevitable. Training with such noisy data negatively impacts the generalization performance of deep neural networks. To combat label noise,…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Nazmul Karim , Mamshad Nayeem Rizve , Nazanin Rahnavard , Ajmal Mian , Mubarak Shah

Noisy labels are commonly found in real-world data, which cause performance degradation of deep neural networks. Cleaning data manually is labour-intensive and time-consuming. Previous research mostly focuses on enhancing classification…

机器学习 · 计算机科学 2021-12-20 Chang Liu , Han Yu , Boyang Li , Zhiqi Shen , Zhanning Gao , Peiran Ren , Xuansong Xie , Lizhen Cui , Chunyan Miao

We present LSD-C, a novel method to identify clusters in an unlabeled dataset. Our algorithm first establishes pairwise connections in the feature space between the samples of the minibatch based on a similarity metric. Then it regroups in…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Sylvestre-Alvise Rebuffi , Sebastien Ehrhardt , Kai Han , Andrea Vedaldi , Andrew Zisserman

Due to the existence of label noise in web images and the high memorization capacity of deep neural networks, training deep fine-grained (FG) models directly through web images tends to have an inferior recognition ability. In the…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Zeren Sun , Xian-Sheng Hua , Yazhou Yao , Xiu-Shen Wei , Guosheng Hu , Jian Zhang

Collecting large training datasets, annotated with high-quality labels, is costly and time-consuming. This paper proposes a novel framework for training deep convolutional neural networks from noisy labeled datasets that can be obtained…

机器学习 · 计算机科学 2017-11-06 Arash Vahdat

As a promising solution of reducing annotation cost, training multi-label models with partial positive labels (MLR-PPL), in which merely few positive labels are known while other are missing, attracts increasing attention. Due to the…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Tao Pu , Qianru Lao , Hefeng Wu , Tianshui Chen , Liang Lin

Federated learning with noisy labels (F-LNL) aims at seeking an optimal server model via collaborative distributed learning by aggregating multiple client models trained with local noisy or clean samples. On the basis of a federated…

计算机视觉与模式识别 · 计算机科学 2024-02-19 Jichang Li , Guanbin Li , Hui Cheng , Zicheng Liao , Yizhou Yu

Supervised deep learning depends on massive accurately annotated examples, which is usually impractical in many real-world scenarios. A typical alternative is learning from multiple noisy annotators. Numerous earlier works assume that all…

机器学习 · 计算机科学 2022-03-09 Shikun Li , Tongliang Liu , Jiyong Tan , Dan Zeng , Shiming Ge

We consider the problem of clustering noisy high-dimensional data points into a union of low-dimensional subspaces and a set of outliers. The number of subspaces, their dimensions, and their orientations are unknown. A probabilistic…

信息论 · 计算机科学 2013-07-19 Reinhard Heckel , Helmut Bölcskei

We address the problem of cluster identity estimation in a personalized federated learning (PFL) setting in which users aim to learn different personal models. The backbone of effective learning in such a setting is to cluster users into…

机器学习 · 计算机科学 2025-03-26 Abdulmoneam Ali , Ahmed Arafa

Using search engines for web image retrieval is a tempting alternative to manual curation when creating an image dataset, but their main drawback remains the proportion of incorrect (noisy) samples retrieved. These noisy samples have been…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Paul Albert , Eric Arazo , Noel E. O'Connor , Kevin McGuinness

Despite the success of multimodal learning in cross-modal retrieval task, the remarkable progress relies on the correct correspondence among multimedia data. However, collecting such ideal data is expensive and time-consuming. In practice,…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Haochen Han , Kaiyao Miao , Qinghua Zheng , Minnan Luo

Learning from noisy data is a challenging task that significantly degenerates the model performance. In this paper, we present TCL, a novel twin contrastive learning model to learn robust representations and handle noisy labels for…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Zhizhong Huang , Junping Zhang , Hongming Shan