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This paper presents a mobile crowdsensing approach to identify the indoor points of interest (POI) by exploiting Wi-Fi similarity measurements. Since indoor environments are lacking the GPS positioning accuracy when compared to outdoors, we…

计算机与社会 · 计算机科学 2019-08-26 Sumudu Hasala Marakkalage , Ran Liu , Sanjana Kadaba Viswanath , Chau Yuen

We introduce a novel method to detect movement of interest in crowd scenes. For this purpose, we consider regions of interest and discretize them into a number of patterns. Furthermore, we investigate a representative movement of key…

密码学与安全 · 计算机科学 2019-08-14 Abdulrahman Alreshidi

Multidisciplinary research, in conjunction with artificial intelligence (AI), the Internet of Things (IoT), Blockchain and Big Data analysis, has lowered barriers and made companies more productive, in other words, the joint work of these…

计算机与社会 · 计算机科学 2024-10-18 Luis Chirinos-Apaza

Full body trackers are utilized for surveillance and security purposes, such as person-tracking robots. In the Middle East, uniform crowd environments are the norm which challenges state-of-the-art trackers. Despite tremendous improvements…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Zhibo Zhang , Omar Alremeithi , Maryam Almheiri , Marwa Albeshr , Xiaoxiong Zhang , Sajid Javed , Naoufel Werghi

Recent crowd counting approaches have achieved excellent performance. However, they are essentially based on fully supervised paradigm and require large number of annotated samples. Obtaining annotations is an expensive and labour-intensive…

计算机视觉与模式识别 · 计算机科学 2020-07-09 Vishwanath A. Sindagi , Rajeev Yasarla , Deepak Sam Babu , R. Venkatesh Babu , Vishal M. Patel

Crowd management is of paramount importance when it comes to preventing stampedes and saving lives, especially in a countries like China and India where the combined population is a third of the global population. Millions of people convene…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Varun Kannadi Valloli , Kinal Mehta

Multi-view approaches to people-tracking have the potential to better handle occlusions than single-view ones in crowded scenes. They often rely on the tracking-by-detection paradigm, which involves detecting people first and then…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Martin Engilberge , Weizhe Liu , Pascal Fua

Social distancing is a recommended solution by the World Health Organisation (WHO) to minimise the spread of COVID-19 in public places. The majority of governments and national health authorities have set the 2-meter physical distancing as…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Mahdi Rezaei , Mohsen Azarmi

This article introduces a novel middleware that utilizes cost-effective, low-power computing devices like Raspberry Pi to analyze data from wireless sensor networks (WSNs). It is designed for indoor settings like historical buildings and…

分布式、并行与集群计算 · 计算机科学 2025-04-30 Alexandros Gazis , Eleftheria Katsiri

As the population of world is increasing, and even more concentrated in urban areas, ensuring public safety is becoming a taunting job for security personnel and crowd managers. Mass events like sports, festivals, concerts, political…

计算机视觉与模式识别 · 计算机科学 2017-09-08 Sultan Daud Khan , Muhammad Saqib , Michael Blumenstein

Driven by the rapid growth of Internet of Things applications, tremendous data need to be collected by sensors and uploaded to the servers for further process. As a promising solution, mobile crowd sensing enables controllable sensing and…

信息论 · 计算机科学 2022-02-28 Ziqin Zhou , Xiaoyang Li , Changsheng You , Kaibing Huang , Yi Gong

Remembering our day-to-day social interactions is challenging even if you aren't a blue memory challenged fish. The ability to automatically detect and remember these types of interactions is not only beneficial for individuals interested…

Occlusions, complex backgrounds, scale variations and non-uniform distributions present great challenges for crowd counting in practical applications. In this paper, we propose a novel method using an attention model to exploit head…

计算机视觉与模式识别 · 计算机科学 2018-06-28 Youmei Zhang , Chunluan Zhou , Faliang Chang , Alex C. Kot

Recommender systems recommend objects regardless of potential adverse effects of their overcrowding. We address this shortcoming by introducing crowd-avoiding recommendation where each object can be shared by only a limited number of users…

物理与社会 · 物理学 2013-06-18 Stanislao Gualdi , Matus Medo , Yi-Cheng Zhang

The presence of people can be detected by passively observing the signal strength of Wifi and related forms of communication. This paper tackles the question of how and when can this be prevented by adjustments to the transmitted signal…

网络与互联网体系结构 · 计算机科学 2021-12-22 Mingxuan Han , Jeff M. Phillips , Sneha Kumar Kasera

To protect users' privacy, legislators have regulated the usage of tracking technologies, mandating the acquisition of users' consent before collecting data. Consequently, websites started showing more and more consent management modules --…

密码学与安全 · 计算机科学 2022-09-14 Nikhil Jha , Martino Trevisan , Luca Vassio , Marco Mellia

Crowd counting, for estimating the number of people in a crowd using vision-based computer techniques, has attracted much interest in the research community. Although many attempts have been reported, real-world problems, such as huge…

计算机视觉与模式识别 · 计算机科学 2018-04-23 Saeed Amirgholipour Kasmani , Xiangjian He , Wenjing Jia , Dadong Wang , Michelle Zeibots

Visual crowd counting has been recently studied as a way to enable people counting in crowd scenes from images. Albeit successful, vision-based crowd counting approaches could fail to capture informative features in extreme conditions,…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Di Hu , Lichao Mou , Qingzhong Wang , Junyu Gao , Yuansheng Hua , Dejing Dou , Xiao Xiang Zhu

Crowd analysis via computer vision techniques is an important topic in the field of video surveillance, which has wide-spread applications including crowd monitoring, public safety, space design and so on. Pixel-wise crowd understanding is…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Qi Wang , Junyu Gao , Wei Lin , Yuan Yuan

In smart grid, large quantities of data is collected from various applications, such as smart metering substation state monitoring, electric energy data acquisition, and smart home. Big data acquired in smart grid applications usually is…

密码学与安全 · 计算机科学 2018-11-19 Zhitao Guan , Guanlin Si , Xiaojiang Du , Peng Liu