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An important aspect of crowd monitoring is knowing how many people we are dealing with. Sometimes, knowing the size of a crowd in a single location and at a specific moment is enough. Matters become problematic when counting the same people…

密码学与安全 · 计算机科学 2026-04-17 Fatemeh Marzani , Thijs van Ede , Geert Heijenk , Maarten van Steen

Inferring the correct answers to binary tasks based on multiple noisy answers in an unsupervised manner has emerged as the canonical question for micro-task crowdsourcing or more generally aggregating opinions. In graphon estimation, one is…

机器学习 · 统计学 2019-07-29 Devavrat Shah , Christina Lee Yu

Crowdsourcing enables the fine-grained characterization and performance evaluation of today's large-scale networks using the power of the masses and distributed intelligence. This paper presents SmartProbe, a system that assesses the…

网络与互联网体系结构 · 计算机科学 2022-06-02 Enrico Gregori , Alessandro Improta , Luciano Lenzini , Valerio Luconi , Nilo Redini , Alessio Vecchio

Perceiving pedestrians in highly crowded urban environments is a difficult long-tail problem for learning-based autonomous perception. Speeding up 3D ground truth generation for such challenging scenes is performance-critical yet very…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Shichao Li , Peiliang Li , Qing Lian , Peng Yun , Xiaozhi Chen

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…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Dingkang Liang , Wei Xu , Yingying Zhu , Yu Zhou

The existing crowd counting models require extensive training data, which is time-consuming to annotate. To tackle this issue, we propose a simple yet effective crowd counting method by utilizing the Segment-Everything-Everywhere Model…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Jia Wan , Qiangqiang Wu , Wei Lin , Antoni B. Chan

The recent trend in 2D multiple object tracking (MOT) is jointly solving detection and tracking, where object detection and appearance feature (or motion) are learned simultaneously. Despite competitive performance, in crowded scenes, joint…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Weihong Ren , Denglu Wu , Hui Cao , Xi'ai Chen , Zhi Han , Honghai Liu

In crowd behavior understanding, a model of crowd behavior need to be trained using the information extracted from video sequences. Since there is no ground-truth available in crowd datasets except the crowd behavior labels, most of the…

计算机视觉与模式识别 · 计算机科学 2016-07-27 Hamidreza Rabiee , Javad Haddadnia , Hossein Mousavi , Moin Nabi , Vittorio Murino , Nicu Sebe

The Internet of Things (IoT) is an evolving network of billions of interconnected physical objects, such as numerous sensors, smartphones, wearables, and embedded devices. These physical objects, generally referred to as the smart objects,…

密码学与安全 · 计算机科学 2021-02-23 Subhash Sagar , Adnan Mahmood , Quan Z. Sheng , Wei Emma Zhang

In recent years, crowdsourcing, aka human aided computation has emerged as an effective platform for solving problems that are considered complex for machines alone. Using human is time-consuming and costly due to monetary compensations.…

数据结构与算法 · 计算机科学 2016-04-08 Arya Mazumdar , Barna Saha

Our work proposes a novel deep learning framework for estimating crowd density from static images of highly dense crowds. We use a combination of deep and shallow, fully convolutional networks to predict the density map for a given crowd…

计算机视觉与模式识别 · 计算机科学 2016-08-23 Lokesh Boominathan , Srinivas S S Kruthiventi , R. Venkatesh Babu

Crowdsourcing provides a popular paradigm for data collection at scale. We study the problem of selecting subsets of workers from a given worker pool to maximize the accuracy under a budget constraint. One natural question is whether we…

机器学习 · 统计学 2015-02-04 Hongwei Li , Qiang Liu

Crowd localization aims to predict the spatial position of humans in a crowd scenario. We observe that the performance of existing methods is challenged from two aspects: (i) ranking inconsistency between test and training phases; and (ii)…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Xinyan Liu , Guorong Li , Yuankai Qi , Zhenjun Han , Qingming Huang , Ming-Hsuan Yang , Nicu Sebe

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

Multi-Object Tracking (MOT) aims to maintain stable and uninterrupted trajectories for each target. Most state-of-the-art approaches first detect objects in each frame and then implement data association between new detections and existing…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Fei Wang , Ruohui Zhang , Chenglin Chen , Min Yang , Yun Bai

Human pose estimation has recently made significant progress with the adoption of deep convolutional neural networks. Its many applications have attracted tremendous interest in recent years. However, many practical applications require…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Thomas Golda , Tobias Kalb , Arne Schumann , Jürgen Beyerer

Due to domain shift, a large performance drop is usually observed when a trained crowd counting model is deployed in the wild. While existing domain-adaptive crowd counting methods achieve promising results, they typically regard each crowd…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Yongtuo Liu , Dan Xu , Sucheng Ren , Hanjie Wu , Hongmin Cai , Shengfeng He

This paper discusses how crowd and machine classifiers can be efficiently combined to screen items that satisfy a set of predicates. We show that this is a recurring problem in many domains, present machine-human (hybrid) algorithms that…

信息检索 · 计算机科学 2019-04-02 Evgeny Krivosheev , Fabio Casati , Marcos Baez , Boualem Benatallah

Crowd counting is gaining societal relevance, particularly in domains of Urban Planning, Crowd Management, and Public Safety. This paper introduces Fourier-guided attention (FGA), a novel attention mechanism for crowd count estimation…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Yashwardhan Chaudhuri , Ankit Kumar , Arun Balaji Buduru , Adel Alshamrani

With the rapid development of deep learning, object detection and tracking play a vital role in today's society. Being able to identify and track all the pedestrians in the dense crowd scene with computer vision approaches is a typical…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Yu Zhang , Huaming Chen , Wei Bao , Zhongzheng Lai , Zao Zhang , Dong Yuan