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Due to its variety of applications in the real-world, the task of single image-based crowd counting has received a lot of interest in the recent years. Recently, several approaches have been proposed to address various problems encountered…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Vishwanath A. Sindagi , Rajeev Yasarla , Vishal M. Patel

Obstacle avoidance is a key feature for safe Unmanned Aerial Vehicle (UAV) navigation. While solutions have been proposed for static obstacle avoidance, systems enabling avoidance of dynamic objects, such as drones, are hard to implement…

机器人学 · 计算机科学 2018-08-02 Adrian Carrio , Sai Vemprala , Andres Ripoll , Srikanth Saripalli , Pascual Campoy

This paper presents two novel approaches for people counting in crowded and open environments that combine the information gathered by multiple views. Multiple camera are used to expand the field of view as well as to mitigate the problem…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Fabio Dittrich , Luiz E. S. de Oliveira , Alceu S. Britto , Alessandro L. Koerich

Future airports are becoming more complex and congested with the increasing number of travellers. While the airports are more likely to become hotspots for potential conflicts to break out which can cause serious delays to flights and…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Karan Kheta , Claire Delgove , Ruolin Liu , Adeola Aderogba , Marc-Olivier Pokam , Muhammed Mehmet Unal , Yang Xing , Weisi Guo

Compared with the generic scenes, crowded scenes contain highly-overlapped instances, which result in: 1) more ambiguous anchors during training of object detectors, and 2) more predictions are likely to be mistakenly suppressed in…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Chenyang Zhao , Jia Wan , Antoni B. Chan

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…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Deepak Babu Sam , R. Venkatesh Babu

Drone detection is the problem of finding the smallest rectangle that encloses the drone(s) in a video sequence. In this study, we propose a solution using an end-to-end object detection model based on convolutional neural networks. To…

计算机视觉与模式识别 · 计算机科学 2017-06-20 Cemal Aker , Sinan Kalkan

Detecting human in a crowd is a challenging problem due to the uncertainties of occlusion patterns. In this paper, we propose to handle the crowd occlusion problem in human detection by leveraging the head part. Double Anchor RPN is…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Kevin Zhang , Feng Xiong , Peize Sun , Li Hu , Boxun Li , Gang Yu

Anthropogenic activities pose threats to wildlife and marine fauna, prompting the need for efficient animal counting methods. This research study utilizes deep learning techniques to automate counting tasks. Inspired by previous studies on…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Tanya Singh , Hugo Gangloff , Minh-Tan Pham

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density. They typically use the same filters over the whole image or over large image patches. Only then do they estimate local scale to…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Weizhe Liu , Mathieu Salzmann , Pascal Fua

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

This paper explores the process of designing an automatic multi-sensor drone detection system. Besides the common video and audio sensors, the system also includes a thermal infrared camera, which is shown to be a feasible solution to the…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Fredrik Svanstrom , Cristofer Englund , Fernando Alonso-Fernandez

Swarms of drones are being more and more used in many practical scenarios, such as surveillance, environmental monitoring, search and rescue in hardly-accessible areas, etc.. While a single drone can be guided by a human operator, the…

计算机视觉与模式识别 · 计算机科学 2021-07-02 Claudio Piciarelli , Gian Luca Foresti

High-density object counting in surveillance scenes is challenging mainly due to the drastic variation of object scales. The prevalence of deep learning has largely boosted the object counting accuracy on several benchmark datasets.…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Muming Zhao , Jian Zhang , Chongyang Zhang , Wenjun Zhang

In this paper, we propose a simple yet effective crowd counting and localization network named SCALNet. Unlike most existing works that separate the counting and localization tasks, we consider those tasks as a pixel-wise dense prediction…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Yi Wang , Xinyu Hou , Lap-Pui Chau

Crowd counting has gained significant popularity due to its practical applications. However, mainstream counting methods ignore precise individual localization and suffer from annotation noise because of counting from estimating density…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Hao-Yuan Ma , Li Zhang , Xiang-Yi Wei

Recently, the research of wireless sensing has achieved more intelligent results, and the intelligent sensing of human location and activity can be realized by means of WiFi devices. However, most of the current human environment perception…

机器学习 · 计算机科学 2019-03-14 Shangqing Liu , Yanchao Zhao , Fanggang Xue , Bing Chen , Xiang Chen

Crowd scene analysis has received a lot of attention recently due to the wide variety of applications, for instance, forensic science, urban planning, surveillance and security. In this context, a challenging task is known as crowd…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Rodolfo Quispe , Darwin Ttito , Adín Ramírez Rivera , Helio Pedrini

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

Recently, counting the number of people for crowd scenes is a hot topic because of its widespread applications (e.g. video surveillance, public security). It is a difficult task in the wild: changeable environment, large-range number of…

计算机视觉与模式识别 · 计算机科学 2019-03-11 Qi Wang , Junyu Gao , Wei Lin , Yuan Yuan