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Related papers: Crowd Density Estimation using Imperfect Labels

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Label noise is a critical factor that degrades the generalization performance of deep neural networks, thus leading to severe issues in real-world problems. Existing studies have employed strategies based on either loss or uncertainty to…

Machine Learning · Computer Science 2020-08-17 Wonyoung Shin , Jung-Woo Ha , Shengzhe Li , Yongwoo Cho , Hoyean Song , Sunyoung Kwon

Single image crowd counting is a challenging computer vision problem with wide applications in public safety, city planning, traffic management, etc. With the recent development of deep learning techniques, crowd counting has aroused much…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Haoyue Bai , Jiageng Mao , S. -H. Gary Chan

Visual sentiment analysis has received increasing attention in recent years. However, the dataset's quality is a concern because the sentiment labels are crowd-sourcing, subjective, and prone to mistakes, and poses a severe threat to the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Wei Zhu , Zihe Zheng , Haitian Zheng , Hanjia Lyu , Jiebo Luo

Human annotations are vital to supervised learning, yet annotators often disagree on the correct label, especially as annotation tasks increase in complexity. A strategy to improve label quality is to ask multiple annotators to label the…

Machine Learning · Computer Science 2023-12-22 Alexander Braylan , Madalyn Marabella , Omar Alonso , Matthew Lease

Datasets labelled by human annotators are widely used in the training and testing of machine learning models. In recent years, researchers are increasingly paying attention to label quality. However, it is not always possible to objectively…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Luisa Schwirten , Jannes Scholz , Daniel Kondermann , Janis Keuper

This paper presents a generic Bayesian framework that enables any deep learning model to actively learn from targeted crowds. Our framework inherits from recent advances in Bayesian deep learning, and extends existing work by considering…

Machine Learning · Computer Science 2018-03-13 Jie Yang , Thomas Drake , Andreas Damianou , Yoelle Maarek

Deep-learning-based pipelines have shown the potential to revolutionalize microscopy image diagnostics by providing visual augmentations to a trained pathology expert. However, to match human performance, the methods rely on the…

Current state-of-the-art deep learning systems for visual object recognition and detection use purely supervised training with regularization such as dropout to avoid overfitting. The performance depends critically on the amount of labeled…

Computer Vision and Pattern Recognition · Computer Science 2015-04-16 Scott Reed , Honglak Lee , Dragomir Anguelov , Christian Szegedy , Dumitru Erhan , Andrew Rabinovich

We present a method of estimating the number of people in high density crowds from still images. The method estimates counts by fusing information from multiple sources. Most of the existing work on crowd counting deals with very small…

Computer Vision and Pattern Recognition · Computer Science 2015-07-31 Ankan Bansal , K. S. Venkatesh

To alleviate the heavy annotation burden for training a reliable crowd counting model and thus make the model more practicable and accurate by being able to benefit from more data, this paper presents a new semi-supervised method based on…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Yifei Qian , Xiaopeng Hong , Zhongliang Guo , Ognjen Arandjelović , Carl R. Donovan

The crowd counting task aims at estimating the number of people located in an image or a frame from videos. Existing methods widely adopt density maps as the training targets to optimize the point-to-point loss. While in testing phase, we…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Xiyang Liu , Jie Yang , Wenrui Ding

Crowdsourcing has become very popular among the machine learning community as a way to obtain labels that allow a ground truth to be estimated for a given dataset. In most of the approaches that use crowdsourced labels, annotators are asked…

Machine Learning · Statistics 2018-08-09 Iker Beñaran-Muñoz , Jerónimo Hernández-González , Aritz Pérez

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density. While effective, deep learning approaches are vulnerable to adversarial attacks, which, in a crowd-counting context, can lead to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Weizhe Liu , Mathieu Salzmann , Pascal Fua

Noise in data appears to be inevitable in most real-world machine learning applications and would cause severe overfitting problems. Not only can data features contain noise, but labels are also prone to be noisy due to human input. In this…

Machine Learning · Computer Science 2025-05-09 Weipeng Huang , Qin Li , Yang Xiao , Cheng Qiao , Tie Cai , Junwei Liang , Neil J. Hurley , Guangyuan Piao

Important people detection is to automatically detect the individuals who play the most important roles in a social event image, which requires the designed model to understand a high-level pattern. However, existing methods rely heavily on…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Fa-Ting Hong , Wei-Hong Li , Wei-Shi Zheng

Crowd counting is a regression task that estimates the number of people in a scene image, which plays a vital role in a range of safety-critical applications, such as video surveillance, traffic monitoring and flow control. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Yuhua Sun , Tailai Zhang , Xingjun Ma , Pan Zhou , Jian Lou , Zichuan Xu , Xing Di , Yu Cheng , Lichao

Crowd counting is an effective tool for situational awareness in public places. Automated crowd counting using images and videos is an interesting yet challenging problem that has gained significant attention in computer vision. Over the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Muhammad Asif Khan , Hamid Menouar , Ridha Hamila

Imperfections in data annotation, known as label noise, are detrimental to the training of machine learning models and have an often-overlooked confounding effect on the assessment of model performance. Nevertheless, employing experts to…

Annotation quality and quantity positively affect the learning performance of sequence labeling, a vital task in Natural Language Processing. Hiring domain experts to annotate a corpus is very costly in terms of money and time.…

Human-Computer Interaction · Computer Science 2023-07-04 Nasim Sabetpour , Adithya Kulkarni , Sihong Xie , Qi Li

High-quality pixel-level annotations are essential for the semantic segmentation of remote sensing imagery. However, such labels are expensive to obtain and often affected by noise due to the labor-intensive and time-consuming nature of…