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Crowdsourcing platforms offer a practical solution to the problem of affordably annotating large datasets for training supervised classifiers. Unfortunately, poor worker performance frequently threatens to compromise annotation reliability,…

机器学习 · 计算机科学 2014-01-17 Liyue Zhao , Yu Zhang , Gita Sukthankar

Noisy data, crawled from the web or supplied by volunteers such as Mechanical Turkers or citizen scientists, is considered an alternative to professionally labeled data. There has been research focused on mitigating the effects of label…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Clemens-Alexander Brust , Björn Barz , Joachim Denzler

Image classification systems recently made a giant leap with the advancement of deep neural networks. However, these systems require an excessive amount of labeled data to be adequately trained. Gathering a correctly annotated dataset is…

机器学习 · 计算机科学 2021-01-19 Görkem Algan , Ilkay Ulusoy

In this paper, we investigate the problem of learning with noisy labels in real-world annotation scenarios, where noise can be categorized into two types: factual noise and ambiguity noise. To better distinguish these noise types and…

机器学习 · 计算机科学 2023-08-23 Renyu Zhu , Haoyu Liu , Runze Wu , Minmin Lin , Tangjie Lv , Changjie Fan , Haobo Wang

Deep learning models rely heavily on large volumes of labeled data to achieve high performance. However, real-world datasets often contain noisy labels due to human error, ambiguity, or resource constraints during the annotation process.…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Gouranga Bala , Anuj Gupta , Subrat Kumar Behera , Amit Sethi

Noisy label learning aims to train deep neural networks using a large amount of samples with noisy labels, whose main challenge comes from how to deal with the inaccurate supervision caused by wrong labels. Existing works either take the…

机器学习 · 计算机科学 2024-04-03 Sihan Bai

Noisy labels are inevitable, even in well-annotated datasets. The detection of noisy labels is of significant importance to enhance the robustness of speaker recognition models. In this paper, we propose a novel noisy label detection…

音频与语音处理 · 电气工程与系统科学 2024-06-21 Yao Shen , Yingying Gao , Yaqian Hao , Chenguang Hu , Fulin Zhang , Junlan Feng , Shilei Zhang

Noisy labels can impair the performance of deep neural networks. To tackle this problem, in this paper, we propose a new method for filtering label noise. Unlike most existing methods relying on the posterior probability of a noisy…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Pengxiang Wu , Songzhu Zheng , Mayank Goswami , Dimitris Metaxas , Chao Chen

Data-driven software engineering processes, such as vulnerability prediction heavily rely on the quality of the data used. In this paper, we observe that it is infeasible to obtain a noise-free security defect dataset in practice. Despite…

软件工程 · 计算机科学 2022-04-04 Roland Croft , M. Ali Babar , Huaming Chen

The reliability of supervised machine learning systems depends on the accuracy and availability of ground truth labels. However, the process of human annotation, being prone to error, introduces the potential for noisy labels, which can…

计算机视觉与模式识别 · 计算机科学 2023-09-19 David Tschirschwitz , Christian Benz , Morris Florek , Henrik Norderhus , Benno Stein , Volker Rodehorst

Class labels used for machine learning are relatable to each other, with certain class labels being more similar to each other than others (e.g. images of cats and dogs are more similar to each other than those of cats and cars). Such…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Gautam Rajendrakumar Gare , John Michael Galeotti

Federated learning is a paradigm that enables local devices to jointly train a server model while keeping the data decentralized and private. In federated learning, since local data are collected by clients, it is hardly guaranteed that the…

机器学习 · 计算机科学 2022-03-01 Seunghan Yang , Hyoungseob Park , Junyoung Byun , Changick Kim

Extracting noisy or incorrectly labeled samples from a labeled dataset with hard/difficult samples is an important yet under-explored topic. Two general and often independent lines of work exist, one focuses on addressing noisy labels, and…

机器学习 · 计算机科学 2023-07-21 Mahsa Forouzesh , Patrick Thiran

In real-world scenarios, collected and annotated data often exhibit the characteristics of multiple classes and long-tailed distribution. Additionally, label noise is inevitable in large-scale annotations and hinders the applications of…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Chao Liang , Zongxin Yang , Linchao Zhu , Yi Yang

Humans do not acquire perceptual abilities in the way we train machines. While machine learning algorithms typically operate on large collections of randomly-chosen, explicitly-labeled examples, human acquisition relies more heavily on…

Deep neural networks (DNNs) are powerful tools in computer vision tasks. However, in many realistic scenarios label noise is prevalent in the training images, and overfitting to these noisy labels can significantly harm the generalization…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Jan M. Köhler , Maximilian Autenrieth , William H. Beluch

Noisy PN learning is the problem of binary classification when training examples may be mislabeled (flipped) uniformly with noise rate rho1 for positive examples and rho0 for negative examples. We propose Rank Pruning (RP) to solve noisy PN…

机器学习 · 统计学 2017-08-11 Curtis G. Northcutt , Tailin Wu , Isaac L. Chuang

Many applications of computer vision require the ability to adapt to novel data distributions after deployment. Adaptation requires algorithms capable of continual learning (CL). Continual learners must be plastic to adapt to novel tasks…

机器学习 · 计算机科学 2025-04-24 Edison Mucllari , Aswin Raghavan , Zachary Alan Daniels

We consider here a classification method that balances two objectives: large similarity within the samples in the cluster, and large dissimilarity between the cluster and its complement. The method, referred to as HNC or SNC, requires seed…

机器学习 · 计算机科学 2025-03-05 Dorit Hochbaum , Torpong Nitayanont

Deep neural networks have been shown to be very powerful methods for many supervised learning tasks. However, they can also easily overfit to training set biases, i.e., label noise and class imbalance. While both learning with noisy labels…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Tong Wei , Jiang-Xin Shi , Yu-Feng Li , Min-Ling Zhang