English
Related papers

Related papers: Crowd Density Estimation using Imperfect Labels

200 papers

Digital data collected over the decades and data currently being produced with use of information technology is vastly the unlabeled data or data without description. The unlabeled data is relatively easy to acquire but expensive to label…

Machine Learning · Computer Science 2022-08-02 Kinyua Gikunda

The memorization effect of deep neural networks (DNNs) plays a pivotal role in recent label noise learning methods. To exploit this effect, the model prediction-based methods have been widely adopted, which aim to exploit the outputs of…

Machine Learning · Computer Science 2022-06-28 Chuang Zhang , Li Shen , Jian Yang , Chen Gong

Accurate labels are critical for deriving robust machine learning models. Labels are used to train supervised learning models and to evaluate most machine learning paradigms. In this paper, we model the accuracy and cost of a common weak…

Machine Learning · Computer Science 2025-09-30 John Martinsson , Tuomas Virtanen , Maria Sandsten , Olof Mogren

Available training data for named entity recognition (NER) often contains a significant percentage of incorrect labels for entity types and entity boundaries. Such label noise poses challenges for supervised learning and may significantly…

Computation and Language · Computer Science 2024-10-15 Elena Merdjanovska , Ansar Aynetdinov , Alan Akbik

The success of deep learning requires high-quality annotated and massive data. However, the size and the quality of a dataset are usually a trade-off in practice, as data collection and cleaning are expensive and time-consuming. In…

Computation and Language · Computer Science 2023-06-16 Ruibin Yuan , Hanzhi Yin , Yi Wang , Yifan He , Yushi Ye , Lei Zhang , Zhizheng Wu

As the number of individuals in a crowd grows, enumeration-based techniques become increasingly infeasible and their estimates increasingly unreliable. We propose instead an estimation-based version of the problem: we label Rough Crowd…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Shengqin Jiang , Linfei Li , Haokui Zhang , Qingshan Liu , Amin Beheshti , Jian Yang , Anton van den Hengel , Quan Z. Sheng , Yuankai Qi

Crowd density estimation is an important task for crowd monitoring. Many efforts have been done to automate the process of estimating crowd density from images and videos. Despite series of efforts, it remains a challenging task. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Adwan Alownie Alanazi , Muhammad Bilal

Machine learning models are routinely used to support decisions that affect individuals -- be it to screen a patient for a serious illness or to gauge their response to treatment. In these tasks, we are limited to learning models from…

Machine Learning · Computer Science 2025-06-10 Sujay Nagaraj , Yang Liu , Flavio P. Calmon , Berk Ustun

Learning with Noisy Labels (LNL) has attracted significant attention from the research community. Many recent LNL methods rely on the assumption that clean samples tend to have "small loss". However, this assumption always fails to…

Machine Learning · Computer Science 2022-11-17 MingCai Chen , Yu Zhao , Bing He , Zongbo Han , Bingzhe Wu , Jianhua Yao

Multi-label classification is a common supervised machine learning problem where each instance is associated with multiple classes. The key challenge in this problem is learning the correlations between the classes. An additional challenge…

Machine Learning · Computer Science 2016-04-05 Divya Padmanabhan , Satyanath Bhat , Shirish Shevade , Y. Narahari

This paper focuses on semi-supervised crowd counting, where only a small portion of the training data are labeled. We formulate the pixel-wise density value to regress as a probability distribution, instead of a single deterministic value.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Hui Lin , Zhiheng Ma , Rongrong Ji , Yaowei Wang , Zhou Su , Xiaopeng Hong , Deyu Meng

Crowd counting based on density maps is generally regarded as a regression task.Deep learning is used to learn the mapping between image content and crowd density distribution. Although great success has been achieved, some pedestrians far…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Jiwei Chen , Kewei Wang , Wen Su , Zengfu Wang

Human-annotated data plays a critical role in the fairness of AI systems, including those that deal with life-altering decisions or moderating human-created web/social media content. Conventionally, annotator disagreements are resolved…

Information Retrieval · Computer Science 2023-07-21 Tharindu Cyril Weerasooriya , Sarah Luger , Saloni Poddar , Ashiqur R. KhudaBukhsh , Christopher M. Homan

Crowdworking is a cost-efficient solution for acquiring class labels. Since these labels are subject to noise, various approaches to learning from crowds have been proposed. Typically, these approaches are evaluated with default…

Machine Learning · Computer Science 2025-07-18 Marek Herde , Lukas Lührs , Denis Huseljic , Bernhard Sick

Crowd sourcing has become a widely adopted scheme to collect ground truth labels. However, it is a well-known problem that these labels can be very noisy. In this paper, we demonstrate how to learn a deep convolutional neural network (DCNN)…

Computer Vision and Pattern Recognition · Computer Science 2016-09-27 Emad Barsoum , Cha Zhang , Cristian Canton Ferrer , Zhengyou Zhang

With the rapidly increasing interest in machine learning based solutions for automatic image annotation, the availability of reference annotations for algorithm training is one of the major bottlenecks in the field. Crowdsourcing has…

Computer Vision and Pattern Recognition · Computer Science 2017-11-30 Eric Heim , Alexander Seitel , Jonas Andrulis , Fabian Isensee , Christian Stock , Tobias Ross , Lena Maier-Hein

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

In this paper, we study the use of soft labels to train a system for sound event detection (SED). Soft labels can result from annotations which account for human uncertainty about categories, or emerge as a natural representation of…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-01 Irene Martín-Morató , Manu Harju , Paul Ahokas , Annamaria Mesaros

In multi-label classification, each example in a dataset may be annotated as belonging to one or more classes (or none of the classes). Example applications include image (or document) tagging where each possible tag either applies to a…

Machine Learning · Computer Science 2022-11-28 Aditya Thyagarajan , Elías Snorrason , Curtis Northcutt , Jonas Mueller

Assessing dietary intake accurately remains an open and challenging research problem. In recent years, image-based approaches have been developed to automatically estimate food intake by capturing eat occasions with mobile devices and…

Information Retrieval · Computer Science 2019-10-16 Zeman Shao , Runyu Mao , Fengqing Zhu