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Crowd counting aims to count the number of instantaneous people in a crowded space, and many promising solutions have been proposed for single image crowd counting. With the ubiquitous video capture devices in public safety field, how to…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Xingjiao Wu , Baohan Xu , Yingbin Zheng , Hao Ye , Jing Yang , Liang He

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…

计算机视觉与模式识别 · 计算机科学 2015-07-31 Ankan Bansal , K. S. Venkatesh

Precise knowledge about the size of a crowd, its density and flow can provide valuable information for safety and security applications, event planning, architectural design and to analyze consumer behavior. Creating a powerful machine…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Mahdi Maktabdar Oghaz , Anish R Khadka , Vasileios Argyriou , Paolo Remagnino

Social media communications are becoming increasingly prevalent; some useful, some false, whether unwittingly or maliciously. An increasing number of rumours daily flood the social networks. Determining their veracity in an autonomous way…

社会与信息网络 · 计算机科学 2019-02-11 Georgios Giasemidis , Nikolaos Kaplis , Ioannis Agrafiotis , Jason R. C. Nurse

Designing efficient, effective, and consistent metric clustering algorithms is a significant challenge attracting growing attention. Traditional approaches focus on the stability of cluster centers; unfortunately, this neglects the…

Existing state-of-the-art crowd counting algorithms rely excessively on location-level annotations, which are burdensome to acquire. When only count-level (weak) supervisory signals are available, it is arduous and error-prone to regress…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Mingjie Wang , Jun Zhou , Hao Cai , Minglun Gong

The recent trend in 2D multiple object tracking (MOT) is jointly solving detection and tracking, where object detection and appearance feature (or motion) are learned simultaneously. Despite competitive performance, in crowded scenes, joint…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Weihong Ren , Denglu Wu , Hui Cao , Xi'ai Chen , Zhi Han , Honghai Liu

Existing class-agnostic counting models typically rely on a single type of prompt, e.g., box annotations. This paper aims to establish a comprehensive prompt-based counting framework capable of generating density maps for concerned objects…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Wei Lin , Antoni B. Chan

Crowd simulation is a central topic in several fields including graphics. To achieve high-fidelity simulations, data has been increasingly relied upon for analysis and simulation guidance. However, the information in real-world data is…

图形学 · 计算机科学 2020-04-30 Feixiang He , Yuanhang Xiang , Xi Zhao , He Wang

This paper proposes the problem of point-and-count as a test case to break the what-and-where deadlock. Different from the traditional detection problem, the goal is to discover key salient points as a way to localize and count the number…

计算机视觉与模式识别 · 计算机科学 2015-12-09 Jie Shao , Dequan Wang , Xiangyang Xue , Zheng Zhang

Most conventional crowd counting methods utilize a fully-supervised learning framework to establish a mapping between scene images and crowd density maps. They usually rely on a large quantity of costly and time-intensive pixel-level…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Jiaqi Gao , Zhizhong Huang , Yiming Lei , Hongming Shan , James Z. Wang , Fei-Yue Wang , Junping Zhang

In this study, we dive deep into the inconsistency of pseudo targets in semi-supervised object detection (SSOD). Our core observation is that the oscillating pseudo-targets undermine the training of an accurate detector. It injects noise…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Xinjiang Wang , Xingyi Yang , Shilong Zhang , Yijiang Li , Litong Feng , Shijie Fang , Chengqi Lyu , Kai Chen , Wayne Zhang

Modern methods for counting people in crowded scenes rely on deep networks to estimate people densities in individual images. As such, only very few take advantage of temporal consistency in video sequences, and those that do only impose…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Weizhe Liu , Mathieu Salzmann , Pascal Fua

Crowd trajectory prediction plays a crucial role in public safety and management, where it can help prevent disasters such as stampedes. Recent works address the problem by predicting individual trajectories and considering surrounding…

人工智能 · 计算机科学 2026-03-20 Antonius Bima Murti Wijaya , Paul Henderson , Marwa Mahmoud

In this paper, we tackle the problem of Crowd Counting, and present a crowd density estimation based approach for obtaining the crowd count. Most of the existing crowd counting approaches rely on local features for estimating the crowd…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Viresh Ranjan , Mubarak Shah , Minh Hoai Nguyen

The task of crowd counting is to automatically estimate the pedestrian number in crowd images. To cope with the scale and perspective changes that commonly exist in crowd images, state-of-the-art approaches employ multi-column CNN…

计算机视觉与模式识别 · 计算机科学 2018-02-08 Lu Zhang , Miaojing Shi , Qiaobo Chen

An important aspect of crowd monitoring is knowing how many people we are dealing with. Sometimes, knowing the size of a crowd in a single location and at a specific moment is enough. Matters become problematic when counting the same people…

密码学与安全 · 计算机科学 2026-04-17 Fatemeh Marzani , Thijs van Ede , Geert Heijenk , Maarten van Steen

In this paper, we present a new self-supervised scene flow estimation approach for a pair of consecutive point clouds. The key idea of our approach is to represent discrete point clouds as continuous probability density functions using…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Pan He , Patrick Emami , Sanjay Ranka , Anand Rangarajan

This paper proposes a space-time multi-scale attention network (STANet) to solve density map estimation, localization and tracking in dense crowds of video clips captured by drones with arbitrary crowd density, perspective, and flight…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Longyin Wen , Dawei Du , Pengfei Zhu , Qinghua Hu , Qilong Wang , Liefeng Bo , Siwei Lyu

We propose a simple yet effective proposal-based object detector, aiming at detecting highly-overlapped instances in crowded scenes. The key of our approach is to let each proposal predict a set of correlated instances rather than a single…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Xuangeng Chu , Anlin Zheng , Xiangyu Zhang , Jian Sun