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Crowd counting is a challenging task due to the heavy occlusions, scales, and density variations. Existing methods handle these challenges effectively while ignoring low-resolution (LR) circumstances. The LR circumstances weaken the…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Jiahao Xie , Wei Xu , Dingkang Liang , Zhanyu Ma , Kongming Liang , Weidong Liu , Rui Wang , Ling Jin

Automatic crowd counting using density estimation has gained significant attention in computer vision research. As a result, a large number of crowd counting and density estimation models using convolution neural networks (CNN) have been…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Muhammad Asif Khan , Hamid Menouar , Ridha Hamila

We propose an attention-injective deformable convolutional network called ADCrowdNet for crowd understanding that can address the accuracy degradation problem of highly congested noisy scenes. ADCrowdNet contains two concatenated networks.…

计算机视觉与模式识别 · 计算机科学 2019-04-12 Ning Liu , Yongchao Long , Changqing Zou , Qun Niu , Li Pan , Hefeng Wu

An important aspect of urban planning is understanding crowd levels at various locations, which typically require the use of physical sensors. Such sensors are potentially costly and time consuming to implement on a large scale. To address…

社会与信息网络 · 计算机科学 2020-12-08 Jerome Heng , Junhua Liu , Kwan Hui Lim

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

Object counting, which aims to count the accurate number of object instances in images, has been attracting more and more attention. However, challenges such as large scale variation, complex background interference, and non-uniform density…

计算机视觉与模式识别 · 计算机科学 2022-02-25 Guangshuai Gao , Qingjie Liu , Zhenghui Hu , Lu Li , Qi Wen , Yunhong Wang

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density in the image plane. While useful for this purpose, this image-plane density has no immediate physical meaning because it is…

计算机视觉与模式识别 · 计算机科学 2019-07-19 Weizhe Liu , Krzysztof Lis , Mathieu Salzmann , Pascal Fua

Recent works on crowd counting mainly leverage CNNs to count by regressing density maps, and have achieved great progress. In the density map, each person is represented by a Gaussian blob, and the final count is obtained from the…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Chenfeng Xu , Dingkang Liang , Yongchao Xu , Song Bai , Wei Zhan , Xiang Bai , Masayoshi Tomizuka

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

Current crowd counting algorithms are only concerned about the number of people in an image, which lacks low-level fine-grained information of the crowd. For many practical applications, the total number of people in an image is not as…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Jia Wan , Nikil Senthil Kumar , Antoni B. Chan

With the relaxation of the containment measurements around the globe, monitoring the social distancing in crowded public places is of grate importance to prevent a new massive wave of COVID-19 infections. Recent works in that matter have…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Javier A. González-Trejo , Diego A. Mercado-Ravell

Automated crowd counting from images/videos has attracted more attention in recent years because of its wide application in smart cities. But modelling the dense crowd heads is challenging and most of the existing works become less…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Haoran Duan , Shidong Wang , Yu Guan

Semantic Scene Completion (SSC) refers to the task of inferring the 3D semantic segmentation of a scene while simultaneously completing the 3D shapes. We propose PALNet, a novel hybrid network for SSC based on single depth. PALNet utilizes…

计算机视觉与模式识别 · 计算机科学 2020-02-03 Yu Liu , Jie Li , Xia Yuan , Chunxia Zhao , Roland Siegwart , Ian Reid , Cesar Cadena

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

Counting people or objects with significantly varying scales and densities has attracted much interest from the research community and yet it remains an open problem. In this paper, we propose a simple but an efficient and effective…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Lei Liu , Jie Jiang , Wenjing Jia , Saeed Amirgholipour , Michelle Zeibots , Xiangjian He

Crowd counting models in highly congested areas confront two main challenges: weak localization ability and difficulty in differentiating between foreground and background, leading to inaccurate estimations. The reason is that objects in…

计算机视觉与模式识别 · 计算机科学 2024-06-19 Yuehai Chen , Qingzhong Wang , Jing Yang , Badong Chen , Haoyi Xiong , Shaoyi Du

Automatic Crowd behavior analysis can be applied to effectively help the daily transportation statistics and planning, which helps the smart city construction. As one of the most important keys, crowd counting has drawn increasing…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Haoran Duan , Fan Wan , Rui Sun , Zeyu Wang , Varun Ojha , Yu Guan , Hubert P. H. Shum , Bingzhang Hu , Yang Long

We introduce a detection framework for dense crowd counting and eliminate the need for the prevalent density regression paradigm. Typical counting models predict crowd density for an image as opposed to detecting every person. These…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Deepak Babu Sam , Skand Vishwanath Peri , Mukuntha Narayanan Sundararaman , Amogh Kamath , R. Venkatesh Babu

Accurately estimating the number of objects in a single image is a challenging yet meaningful task and has been applied in many applications such as urban planning and public safety. In the various object counting tasks, crowd counting is…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Guangshuai Gao , Junyu Gao , Qingjie Liu , Qi Wang , Yunhong Wang

Datasets for training crowd counting deep networks are typically heavy-tailed in count distribution and exhibit discontinuities across the count range. As a result, the de facto statistical measures (MSE, MAE) exhibit large variance and…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Sravya Vardhani Shivapuja , Mansi Pradeep Khamkar , Divij Bajaj , Ganesh Ramakrishnan , Ravi Kiran Sarvadevabhatla