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We propose a multitask approach for crowd counting and person localization in a unified framework. As the detection and localization tasks are well-correlated and can be jointly tackled, our model benefits from a multitask solution by…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Mohsen Zand , Haleh Damirchi , Andrew Farley , Mahdiyar Molahasani , Michael Greenspan , Ali Etemad

Multi-modal crowd counting involves estimating crowd density from both visual and thermal/depth images. This task is challenging due to the significant gap between these distinct modalities. In this paper, we propose a novel approach by…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Haoliang Meng , Xiaopeng Hong , Chenhao Wang , Miao Shang , Wangmeng Zuo

Human pose estimation has recently made significant progress with the adoption of deep convolutional neural networks. Its many applications have attracted tremendous interest in recent years. However, many practical applications require…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Thomas Golda , Tobias Kalb , Arne Schumann , Jürgen Beyerer

We are interested in developing an automated system for detection of organized movements in human crowds. Computer vision algorithms can extract information from videos of crowded scenes and automatically detect and track groups of…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Alexandre Matov

Dense crowd counting is a challenging task that demands millions of head annotations for training models. Though existing self-supervised approaches could learn good representations, they require some labeled data to map these features to…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Deepak Babu Sam , Abhinav Agarwalla , Jimmy Joseph , Vishwanath A. Sindagi , R. Venkatesh Babu , Vishal M. Patel

In this work, we propose a novel crowd counting network that progressively generates crowd density maps via residual error estimation. The proposed method uses VGG16 as the backbone network and employs density map generated by the final…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Vishwanath A. Sindagi , Rajeev Yasarla , Vishal M. Patel

Since COVID-19, crowd-counting tasks have gained wide applications. While supervised methods are reliable, annotation is more challenging in high-density scenes due to small head sizes and severe occlusion, whereas it's simpler in…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Guoliang Xu , Jianqin Yin , Ren Zhang , Yonghao Dang , Feng Zhou , Bo Yu

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…

计算机视觉与模式识别 · 计算机科学 2020-03-19 Weizhe Liu , Mathieu Salzmann , Pascal Fua

In emergency management for mass gathering, the knowledge about crowd types can highly assist with providing timely response and effective resource allocation. Crowd monitoring can be achieved using computer vision based approaches and…

计算机与社会 · 计算机科学 2016-06-03 Minh Quan Ngo , Pari Delir Haghighi , Frada Burstein

In crowd counting, each training image contains multiple people, where each person is annotated by a dot. Existing crowd counting methods need to use a Gaussian to smooth each annotated dot or to estimate the likelihood of every pixel given…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Boyu Wang , Huidong Liu , Dimitris Samaras , Minh Hoai

Crowd counting, for estimating the number of people in a crowd using vision-based computer techniques, has attracted much interest in the research community. Although many attempts have been reported, real-world problems, such as huge…

计算机视觉与模式识别 · 计算机科学 2018-04-23 Saeed Amirgholipour Kasmani , Xiangjian He , Wenjing Jia , Dadong Wang , Michelle Zeibots

This paper proposes a crowd counting method. Crowd counting is difficult because of large appearance changes of a target which caused by density and scale changes. Conventional crowd counting methods generally utilize one predictor (e,g.,…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Shohei Kumagai , Kazuhiro Hotta , Takio Kurita

To learn a reliable people counter from crowd images, head center annotations are normally required. Annotating head centers is however a laborious and tedious process in dense crowds. In this paper, we present an active learning framework…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Zhen Zhao , Miaojing Shi , Xiaoxiao Zhao , Li Li

In high population cities, the gatherings of large crowds in public places and public areas accelerate or jeopardize people safety and transportation, which is a key challenge to the researchers. Although much research has been carried out…

计算机视觉与模式识别 · 计算机科学 2019-09-11 Muhammad Siraj

Crowd counting in still images is a challenging problem in practice due to huge crowd-density variations, large perspective changes, severe occlusion, and variable lighting conditions. The state-of-the-art patch rescaling module (PRM) based…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Usman Sajid , Wenchi Ma , Guanghui Wang

Understanding human visual attention and saliency is an integral part of vision research. In this context, there is an ever-present need for fresh and diverse benchmark datasets, particularly for insight into special use cases like crowded…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Memoona Tahira , Sobas Mehboob , Anis U. Rahman , Omar Arif

This paper presents a new approach to crowd behaviour anomaly detection that uses a set of efficiently computed, easily interpretable, scene-level holistic features. This low-dimensional descriptor combines two features from the literature:…

计算机视觉与模式识别 · 计算机科学 2016-06-17 M. Marsden , K. McGuinness , S. Little , N. E. O'Connor

Localizing individuals in crowds is more in accordance with the practical demands of subsequent high-level crowd analysis tasks than simply counting. However, existing localization based methods relying on intermediate representations…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Qingyu Song , Changan Wang , Zhengkai Jiang , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Yang Wu

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…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Jiwei Chen , Kewei Wang , Wen Su , Zengfu Wang

Automatic estimation of the number of people in unconstrained crowded scenes is a challenging task and one major difficulty stems from the huge scale variation of people. In this paper, we propose a novel Deep Structured Scale Integration…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Lingbo Liu , Zhilin Qiu , Guanbin Li , Shufan Liu , Wanli Ouyang , Liang Lin