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Traditional crowd counting approaches usually use Gaussian assumption to generate pseudo density ground truth, which suffers from problems like inaccurate estimation of the Gaussian kernel sizes. In this paper, we propose a new…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Hui Lin , Xiaopeng Hong , Zhiheng Ma , Xing Wei , Yunfeng Qiu , Yaowei Wang , Yihong Gong

In this paper, we propose a novel self-training approach named Crowd-SDNet that enables a typical object detector trained only with point-level annotations (i.e., objects are labeled with points) to estimate both the center points and sizes…

计算机视觉与模式识别 · 计算机科学 2021-02-19 Yi Wang , Junhui Hou , Xinyu Hou , Lap-Pui Chau

Most crowdsourcing learning methods treat disagreement between annotators as noisy labelings while inter-disagreement among experts is often a good indicator for the ambiguity and uncertainty that is inherent in natural language. In this…

计算与语言 · 计算机科学 2023-01-05 Xiaolei Lu

Crowd counting is one of the core tasks in various surveillance applications. A practical system involves estimating accurate head counts in dynamic scenarios under different lightning, camera perspective and occlusion states. Previous…

计算机视觉与模式识别 · 计算机科学 2018-06-27 Li Wang , Weiyuan Shao , Yao Lu , Hao Ye , Jian Pu , Yingbin Zheng

Crowd counting plays a vital role in public safety, traffic regulation, and smart city management. However, despite the impressive progress achieved by CNN- and Transformer-based models, their performance often deteriorates when applied…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Yuehai Chen

Crowd counting is a challenging task due to the issues such as scale variation and perspective variation in real crowd scenes. In this paper, we propose a novel Cascaded Residual Density Network (CRDNet) in a coarse-to-fine approach to…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Kun Zhao , Luchuan Song , Bin Liu , Qi Chu , Nenghai Yu

Crowd sequential annotations can be an efficient and cost-effective way to build large datasets for sequence labeling. Different from tagging independent instances, for crowd sequential annotations the quality of label sequence relies on…

计算与语言 · 计算机科学 2022-09-21 Xiaolei Lu , Tommy W. S. Chow

Recently, crowd counting using supervised learning achieves a remarkable improvement. Nevertheless, most counters rely on a large amount of manually labeled data. With the release of synthetic crowd data, a potential alternative is…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Junyu Gao , Tao Han , Qi Wang , Yuan Yuan

Crowd counting is an important vision task, which faces challenges on continuous scale variation within a given scene and huge density shift both within and across images. These challenges are typically addressed using multi-column…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Mingjie Wang , Hao Cai , Jun Zhou , Minglun Gong

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

Multi-view crowd counting can effectively mitigate occlusion issues that commonly arise in single-image crowd counting. Existing deep-learning multi-view crowd counting methods project different camera view images onto a common space to…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Bin Li , Daijie Chen , Qi Zhang

The task of crowd counting in varying density scenes is an extremely difficult challenge due to large scale variations. In this paper, we propose a novel dual path multi-scale fusion network architecture with attention mechanism named…

计算机视觉与模式识别 · 计算机科学 2019-02-05 Liang Zhu , Zhijian Zhao , Chao Lu , Yining Lin , Yao Peng , Tangren Yao

In real-world crowd counting applications, the crowd densities in an image vary greatly. When facing density variation, humans tend to locate and count the targets in low-density regions, and reason the number in high-density regions. We…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Yuehai Chen , Jing Yang , Badong Chen , Shaoyi Du

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

Previous work generally believes that improving the spatial invariance of convolutional networks is the key to object counting. However, after verifying several mainstream counting networks, we surprisingly found too strict pixel-level…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Zhi-Qi Cheng , Qi Dai , Hong Li , JingKuan Song , Xiao Wu , Alexander G. Hauptmann

Gatherings of thousands to millions of people frequently occur for an enormous variety of events, and automated counting of these high-density crowds is useful for safety, management, and measuring significance of an event. In this work, we…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Greg Olmschenk , Hao Tang , Zhigang Zhu

Crowd counting problem that counts the number of people in an image has been extensively studied in recent years. In this paper, we introduce a new variant of crowd counting problem, namely "Categorized Crowd Counting", that counts the…

计算机视觉与模式识别 · 计算机科学 2019-12-13 Sarkar Snigdha Sarathi Das , Syed Md. Mukit Rashid , Mohammed Eunus Ali

Crowd counting on static images is a challenging problem due to scale variations. Recently deep neural networks have been shown to be effective in this task. However, existing neural-networks-based methods often use the multi-column or…

计算机视觉与模式识别 · 计算机科学 2017-02-09 Lingke Zeng , Xiangmin Xu , Bolun Cai , Suo Qiu , Tong Zhang

Crowd counting, i.e., estimating the number of people in a crowded area, has attracted much interest in the research community. Although many attempts have been reported, crowd counting remains an open real-world problem due to the vast…

计算机视觉与模式识别 · 计算机科学 2020-04-30 Saeed Amirgholipour , Xiangjian He , Wenjing Jia , Dadong Wang , Lei Liu

This paper presents a new annotation method called Sparse Annotation (SA) for crowd counting, which reduces human labeling efforts by sparsely labeling individuals in an image. We argue that sparse labeling can reduce the redundancy of full…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Shiwei Zhang , Zhengzheng Wang , Qing Liu , Fei Wang , Wei Ke , Tong Zhang