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Related papers: Crowd Counting Using Scale-Aware Attention Network…

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In this work, we explore the cross-scale similarity in crowd counting scenario, in which the regions of different scales often exhibit high visual similarity. This feature is universal both within an image and across different images,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-23 Siyu Huang , Xi Li , Zhi-Qi Cheng , Zhongfei Zhang , Alexander Hauptmann

Crowd analysis and management is a challenging problem to ensure public safety and security. For this purpose, many techniques have been proposed to cope with various problems. However, the generalization capabilities of these techniques is…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Tauseef Ali , Ahmed B. Altamimi

Crowd localization is to predict each instance head position in crowd scenarios. Since the distance of instances being to the camera are variant, there exists tremendous gaps among scales of instances within an image, which is called the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Juncheng Wang , Junyu Gao , Yuan Yuan , Qi Wang

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…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Mingjie Wang , Hao Cai , Jun Zhou , Minglun Gong

Forecasting human activities observed in videos is a long-standing challenge in computer vision, which leads to various real-world applications such as mobile robots, autonomous driving, and assistive systems. In this work, we present a new…

Computer Vision and Pattern Recognition · Computer Science 2019-11-25 Hiroaki Minoura , Ryo Yonetani , Mai Nishimura , Yoshitaka Ushiku

Crowd scene analysis receives growing attention due to its wide applications. Grasping the accurate crowd location (rather than merely crowd count) is important for spatially identifying high-risk regions in congested scenes. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Yao Xue , Siming Liu , Yonghui Li , Xueming Qian

Counting people in dense crowds is a demanding task even for humans. This is primarily due to the large variability in appearance of people. Often people are only seen as a bunch of blobs. Occlusions, pose variations and background clutter…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Deepak Babu Sam , R. Venkatesh Babu

This paper addresses the problem of multi-view people occupancy map estimation. Existing solutions for this problem either operate per-view, or rely on a background subtraction pre-processing. Both approaches lessen the detection…

Computer Vision and Pattern Recognition · Computer Science 2017-07-25 Tatjana Chavdarova , François Fleuret

It is important to monitor and analyze crowd events for the sake of city safety. In an EDOF (extended depth of field) image with a crowded scene, the distribution of people is highly imbalanced. People far away from the camera look much…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Mingliang Xu , Zhaoyang Ge , Xiaoheng Jiang , Gaoge Cui , Pei Lv , Bing Zhou , Changsheng Xu

Most existing crowd counting systems rely on the availability of the object location annotation which can be expensive to obtain. To reduce the annotation cost, one attractive solution is to leverage a large number of unlabeled images to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Yan Liu , Lingqiao Liu , Peng Wang , Pingping Zhang , Yinjie Lei

This paper investigates the role of global context for crowd counting. Specifically, a pure transformer is used to extract features with global information from overlapping image patches. Inspired by classification, we add a context token…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Guolei Sun , Yun Liu , Thomas Probst , Danda Pani Paudel , Nikola Popovic , Luc Van Gool

Object counting and localization are key steps for quantitative analysis in large-scale microscopy applications. This procedure becomes challenging when target objects are overlapping, are densely clustered, and/or present fuzzy boundaries.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Shijie Li , Thomas Ach , Guido Gerig

Crowd estimation is a very challenging problem. The most recent study tries to exploit auditory information to aid the visual models, however, the performance is limited due to the lack of an effective approach for feature extraction and…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Usman Sajid , Xiangyu Chen , Hasan Sajid , Taejoon Kim , Guanghui Wang

This paper introduces a novel method for end-to-end crowd detection that leverages object density information to enhance existing transformer-based detectors. We present CrowdQuery (CQ), whose core component is our CQ module that predicts…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Marius Dähling , Sebastian Krebs , J. Marius Zöllner

We propose a novel perspective on varied-density clustering for high-dimensional data by framing it as a label propagation process in neighborhood graphs that adapt to local density variations. Our method formally connects density-based…

Machine Learning · Computer Science 2025-08-06 Ninh Pham , Yingtao Zheng , Hugo Phibbs

In this paper, we focus on the crowd localization task, a crucial topic of crowd analysis. Most regression-based methods utilize convolution neural networks (CNN) to regress a density map, which can not accurately locate the instance in the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Dingkang Liang , Wei Xu , Yingying Zhu , Yu Zhou

Compared with single image based crowd counting, video provides the spatial-temporal information of the crowd that would help improve the robustness of crowd counting. But translation, rotation and scaling of people lead to the change of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Yanyan Fang , Biyun Zhan , Wandi Cai , Shenghua Gao , Bo Hu

Crowd anomaly detection is one of the most popular topics in computer vision in the context of smart cities. A plethora of deep learning methods have been proposed that generally outperform other machine learning solutions. Our review…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Md. Haidar Sharif , Lei Jiao , Christian W. Omlin

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

We present a data segmentation method based on a first-order density-induced consensus protocol. We provide a mathematically rigorous analysis of the consensus model leading to the stopping criteria of the data segmentation algorithm. To…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Piotr Minakowski , Jan Peszek