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FrameNet is a computational linguistics resource composed of semantic frames, high-level concepts that represent the meanings of words. In this paper, we present an approach to gather frame disambiguation annotations in sentences using a…

Computation and Language · Computer Science 2018-08-21 Anca Dumitrache , Lora Aroyo , Chris Welty

Diffusion-based text-to-image generation models have demonstrated strong performance in terms of image quality and diversity. However, they still struggle to generate images that accurately reflect the number of objects specified in the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Joohyeon Lee , Jin-Seop Lee , Jee-Hyong Lee

Large annotated datasets are crucial for the success of deep neural networks, but labeling data can be prohibitively expensive in domains such as medical imaging. This work tackles the subset selection problem: selecting a small set of the…

Machine Learning · Computer Science 2025-09-29 Noga Bar , Raja Giryes

For the purpose of efficient and cost-effective large-scale data labeling, crowdsourcing is increasingly being utilized. To guarantee the quality of data labeling, multiple annotations need to be collected for each data sample, and truth…

Human-Computer Interaction · Computer Science 2024-03-15 Fei Wang , Haoyu Liu , Haoyang Bi , Xiangzhuang Shen , Renyu Zhu , Runze Wu , Minmin Lin , Tangjie Lv , Changjie Fan , Qi Liu , Zhenya Huang , Enhong Chen

Present-day deep neural networks for video semantic segmentation require a large number of fine-grained pixel-level annotations to achieve the best possible results. Obtaining such annotations, however, is very expensive. On the other hand,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Samik Some , Vinay P. Namboodiri

Crowd density estimation is a well-known computer vision task aimed at estimating the density distribution of people in an image. The main challenge in this domain is the reliance on fine-grained location-level annotations, (i.e. points…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Mattia Litrico , Feng Chen , Michael Pound , Sotirios A Tsaftaris , Sebastiano Battiato , Mario Valerio Giuffrida

The problem of "approximating the crowd" is that of estimating the crowd's majority opinion by querying only a subset of it. Algorithms that approximate the crowd can intelligently stretch a limited budget for a crowdsourcing task. We…

Social and Information Networks · Computer Science 2012-04-17 Seyda Ertekin , Haym Hirsh , Cynthia Rudin

Medical image annotation is a major hurdle for developing precise and robust machine learning models. Annotation is expensive, time-consuming, and often requires expert knowledge, particularly in the medical field. Here, we suggest using…

Computer Vision and Pattern Recognition · Computer Science 2020-09-28 Holger R Roth , Dong Yang , Ziyue Xu , Xiaosong Wang , Daguang Xu

The labor-intensive annotation process of semantic segmentation datasets is often prone to errors, since humans struggle to label every pixel correctly. We study algorithms to automatically detect such annotation errors, in particular…

Machine Learning · Computer Science 2023-07-12 Vedang Lad , Jonas Mueller

Very recently crowdsourcing has become the de facto platform for distributing and collecting human computation for a wide range of tasks and applications such as information retrieval, natural language processing and machine learning.…

Machine Learning · Computer Science 2013-05-21 Ittai Abraham , Omar Alonso , Vasilis Kandylas , Aleksandrs Slivkins

Supervised training of object detectors requires well-annotated large-scale datasets, whose production is costly. Therefore, some efforts have been made to obtain annotations in economical ways, such as cloud sourcing. However, datasets…

Computer Vision and Pattern Recognition · Computer Science 2021-12-08 Jiafeng Mao , Qing Yu , Yoko Yamakata , Kiyoharu Aizawa

Machine learning has been widely adopted for medical image analysis in recent years given its promising performance in image segmentation and classification tasks. As a data-driven science, the success of machine learning, in particular…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Chengliang Dai , Shuo Wang , Yuanhan Mo , Kaichen Zhou , Elsa Angelini , Yike Guo , Wenjia Bai

The success of state-of-the-art deep neural networks heavily relies on the presence of large-scale labelled datasets, which are extremely expensive and time-consuming to annotate. This paper focuses on tackling semi-supervised part…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Yu Yang , Xiaotian Cheng , Hakan Bilen , Xiangyang Ji

Background: Deep learning has presented great potential in accurate MR image segmentation when enough labeled data are provided for network optimization. However, manually annotating 3D MR images is tedious and time-consuming, requiring…

Image and Video Processing · Electrical Eng. & Systems 2023-12-19 Yousuf Babiker M. Osman , Cheng Li , Weijian Huang , Shanshan Wang

Crowdsourcing is an online outsourcing mode which can solve the current machine learning algorithm's urge need for massive labeled data. Requester posts tasks on crowdsourcing platforms, which employ online workers over the Internet to…

Human-Computer Interaction · Computer Science 2022-04-28 Guangyang Han , Sufang Li , Runmin Wang , Chunming Wu

Crowdsourcing is a popular approach to collect annotations for unlabeled data instances. It involves collecting a large number of annotations from several, often naive untrained annotators for each data instance which are then combined to…

Machine Learning · Computer Science 2020-05-08 Anil Ramakrishna , Rahul Gupta , Shrikanth Narayanan

Automatic annotation of images with descriptive words is a challenging problem with vast applications in the areas of image search and retrieval. This problem can be viewed as a label-assignment problem by a classifier dealing with a very…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Amara Tariq , Hassan Foroosh

Crowdsourcing is a popular paradigm for effectively collecting labels at low cost. The Dawid-Skene estimator has been widely used for inferring the true labels from the noisy labels provided by non-expert crowdsourcing workers. However,…

Machine Learning · Statistics 2014-11-04 Yuchen Zhang , Xi Chen , Dengyong Zhou , Michael I. Jordan

We have seen significant leapfrog advancement in machine learning in recent decades. The central idea of machine learnability lies on constructing learning algorithms that learn from good data. The availability of more data being made…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Ng Hui Xian Lynnette , Henry Ng Siong Hock , Nguwi Yok Yen