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Large-scale datasets have driven the rapid development of deep neural networks for visual recognition. However, annotating a massive dataset is expensive and time-consuming. Web images and their labels are, in comparison, much easier to…

Computer Vision and Pattern Recognition · Computer Science 2016-12-01 Bohan Zhuang , Lingqiao Liu , Yao Li , Chunhua Shen , Ian Reid

To train machine learning algorithms to predict emotional expressions in terms of arousal and valence, annotated datasets are needed. However, as different people perceive others' emotional expressions differently, their annotations are…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-14 Navin Raj Prabhu , Nale Lehmann-Willenbrock , Timo Gerkman

Data lies at the core of modern deep learning. The impressive performance of supervised learning is built upon a base of massive accurately labeled data. However, in some real-world applications, accurate labeling might not be viable;…

Representation learning approaches require a massive amount of discriminative training data, which is unavailable in many scenarios, such as healthcare, smart city, education, etc. In practice, people refer to crowdsourcing to get annotated…

Machine Learning · Computer Science 2021-12-17 Yang Hao , Wenbiao Ding , Zitao Liu

The limited availability of ground truth relevance labels has been a major impediment to the application of supervised methods to ad-hoc retrieval. As a result, unsupervised scoring methods, such as BM25, remain strong competitors to deep…

Information Retrieval · Computer Science 2019-07-23 Dany Haddad , Joydeep Ghosh

To achieve state-of-the-art performance, one still needs to train NER models on large-scale, high-quality annotated data, an asset that is both costly and time-intensive to accumulate. In contrast, real-world applications often resort to…

Computation and Language · Computer Science 2023-10-26 Zhendong Chu , Ruiyi Zhang , Tong Yu , Rajiv Jain , Vlad I Morariu , Jiuxiang Gu , Ani Nenkova

Crowdsourcing has emerged as a powerful paradigm for efficiently labeling large datasets and performing various learning tasks, by leveraging crowds of human annotators. When additional information is available about the data,…

Machine Learning · Computer Science 2021-07-19 Panagiotis A. Traganitis , Georgios B. Giannakis

Reliably labelling data typically requires annotations from multiple human workers. However, humans are far from being perfect. Hence, it is a common practice to aggregate labels gathered from multiple annotators to make a more confident…

NLP benchmarks rely on standardized datasets for training and evaluating models and are crucial for advancing the field. Traditionally, expert annotations ensure high-quality labels; however, the cost of expert annotation does not scale…

Computation and Language · Computer Science 2025-09-15 Omer Nahum , Nitay Calderon , Orgad Keller , Idan Szpektor , Roi Reichart

The accuracy of deep neural networks is significantly influenced by the effectiveness of mini-batch construction during training. In single-label scenarios, such as binary and multi-class classification tasks, it has been demonstrated that…

Machine Learning · Computer Science 2024-12-24 Ao Zhou , Bin Liu , Jin Wang , Grigorios Tsoumakas

Data collection from manual labeling provides domain-specific and task-aligned supervision for data-driven approaches, and a critical mass of well-annotated resources is required to achieve reasonable performance in natural language…

Computation and Language · Computer Science 2023-11-09 Zhengyuan Liu , Hai Leong Chieu , Nancy F. Chen

An important way to make large training sets is to gather noisy labels from crowds of non experts. We propose a method to aggregate noisy labels collected from a crowd of workers or annotators. Eliciting labels is important in tasks such as…

Machine Learning · Computer Science 2016-11-18 Abhay Gupta

Crowd-sourcing is an increasingly popular tool for image analysis in animal ecology. Computer vision methods that can utilize crowd-sourced annotations can help scale up analysis further. In this work we study the potential to do so on the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Justin Kay , Catherine M. Foley , Tom Hart

Noisy Labels are commonly present in data sets automatically collected from the internet, mislabeled by non-specialist annotators, or even specialists in a challenging task, such as in the medical field. Although deep learning models have…

Machine Learning · Computer Science 2020-12-08 Filipe R. Cordeiro , Gustavo Carneiro

Multi-label learning (MLL) has gained attention for its ability to represent real-world data. Label Distribution Learning (LDL), an extension of MLL to learning from label distributions, faces challenges in collecting accurate label…

Machine Learning · Computer Science 2025-02-04 Zhiqiang Kou , Si Qin , Hailin Wang , Mingkun Xie , Shuo Chen , Yuheng Jia , Tongliang Liu , Masashi Sugiyama , Xin Geng

Most active learning research has focused on methods which perform well when many labels are available, but can be dramatically worse than random selection when label budgets are small. Other methods have focused on the low-budget regime,…

Machine Learning · Computer Science 2025-02-28 Wonho Bae , Gabriel L. Oliveira , Danica J. Sutherland

Collecting large labeled data sets is a laborious and expensive task, whose scaling up requires division of the labeling workload between many teachers. When the number of classes is large, miscorrespondences between the labels given by the…

Machine Learning · Computer Science 2009-03-09 Ran Gilad-Bachrach , Aharon Bar-Hillel , Liat Ein-Dor

Utilizing uniformly distributed sparse annotations, weakly supervised learning alleviates the heavy reliance on fine-grained annotations in point cloud semantic segmentation tasks. However, few works discuss the inhomogeneity of sparse…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Zhiyi Pan , Nan Zhang , Wei Gao , Shan Liu , Ge Li

Annotating multi-class instances is a crucial task in the field of machine learning. Unfortunately, identifying the correct class label from a long sequence of candidate labels is time-consuming and laborious. To alleviate this problem, we…

Machine Learning · Computer Science 2025-12-05 Meng Wei , Zhongnian Li , Yong Zhou , Qiaoyu Guo , Xinzheng Xu

Crowdsourcing has been the prevalent paradigm for creating natural language understanding datasets in recent years. A common crowdsourcing practice is to recruit a small number of high-quality workers, and have them massively generate…

Computation and Language · Computer Science 2019-08-29 Mor Geva , Yoav Goldberg , Jonathan Berant