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Collaborative problem solving (CPS) enables student groups to complete learning tasks, construct knowledge, and solve problems. Previous research has argued the importance to examine the complexity of CPS, including its multimodality,…

Artificial Intelligence · Computer Science 2022-10-31 Fan Ouyang , Weiqi Xu , Mutlu Cukurova

Single image crowd counting is a challenging computer vision problem with wide applications in public safety, city planning, traffic management, etc. With the recent development of deep learning techniques, crowd counting has aroused much…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Haoyue Bai , Jiageng Mao , S. -H. Gary Chan

Scene-aware Adaptive Compressive Sensing (ACS) has attracted significant interest due to its promising capability for efficient and high-fidelity acquisition of scene images. ACS typically prescribes adaptive sampling allocation (ASA) based…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Zhifu Tian , Tao Hu , Chaoyang Niu , Di Wu , Shu Wang

In mobile crowdsourcing (MCS), mobile users accomplish outsourced human intelligence tasks. MCS requires an appropriate task assignment strategy, since different workers may have different performance in terms of acceptance rate and…

Machine Learning · Computer Science 2018-11-09 Sabrina Klos , Cem Tekin , Mihaela van der Schaar , Anja Klein

Compressive sensing (CS) has been studied and applied in structural health monitoring for wireless data acquisition and transmission, structural modal identification, and spare damage identification. The key issue in CS is finding the…

Signal Processing · Electrical Eng. & Systems 2019-03-25 Yuequan Bao , Zhiyi Tang , Hui Li

Recently, with the rapid development of big data, Internet of Things (IoT) brings more and more intelligent and convenient services to people's daily lives. Mobile healthcare crowd sensing (MHCS), as a typical application of IoT, is…

Cryptography and Security · Computer Science 2018-04-06 Jingwei Liu , Huijuan Cao , Qingqing Li , Fanghui Cai , Xiaojiang Du , Mohsen Guizani

Many data mining tasks cannot be completely addressed by auto- mated processes, such as sentiment analysis and image classification. Crowdsourcing is an effective way to harness the human cognitive ability to process these machine-hard…

Databases · Computer Science 2018-10-22 Chengliang Chai , Ju Fan , Guoliang Li , Jiannan Wang , Yudian Zheng

A novel Distributed Spectrum-Aware Clustering (DSAC) scheme is proposed in the context of Cognitive Radio Sensor Networks (CRSN). DSAC aims at forming energy efficient clusters in a self-organized fashion while restricting interference to…

Networking and Internet Architecture · Computer Science 2014-02-25 Huazi Zhang , Zhaoyang Zhang , Huaiyu Dai , Rui Yin , Xiaoming Chen

Sparse Mobile CrowdSensing (MCS) is a novel MCS paradigm where data inference is incorporated into the MCS process for reducing sensing costs while its quality is guaranteed. Since the sensed data from different cells (sub-areas) of the…

Artificial Intelligence · Computer Science 2018-05-25 Leye Wang , Wenbin Liu , Daqing Zhang , Yasha Wang , En Wang , Yongjian Yang

Wi-Fi channel state information (CSI)-based sensing provides a non-invasive, device-free approach for tasks such as human activity recognition and crowd counting, but large-scale deployment is hindered by the need for extensive…

Machine Learning · Computer Science 2025-11-27 Jingtao Guo , Yuyi Mao , Ivan Wang-Hei Ho

Recently, with the advancement of the Internet of Things (IoT), WiFi CSI-based HAR has gained increasing attention from academic and industry communities. By integrating the deep learning technology with CSI-based HAR, researchers achieve…

Signal Processing · Electrical Eng. & Systems 2023-08-07 Ke Xu , Jiangtao Wang , Hongyuan Zhu , Dingchang Zheng

With recent advancements in AI and computational tools, intelligent paradigms have emerged to enhance fields like shared autonomy and human-machine teaming in healthcare. Advanced AI algorithms (e.g., reinforcement learning) can…

Human-Computer Interaction · Computer Science 2025-06-23 MH Farhadi , Ali Rabiee , Sima Ghafoori , Anna Cetera , Wei Xu , Reza Abiri

Quality patient-provider communication is critical to improve clinical care and patient outcomes. While progress has been made with communication skills training for clinicians, significant gaps exist in how to best monitor, measure, and…

Human-Computer Interaction · Computer Science 2024-07-12 Zhiyuan Wang , Nusayer Hassan , Virginia LeBaron , Tabor E. Flickinger , David Ling , James Edwards , Congyu Wu , Mehdi Boukhechba , Laura E. Barnes

We present an innovative framework, Crowdsourcing Autonomous Traffic Simulation (CATS) framework, in order to safely implement and realize orderly traffic flows. We firstly provide a semantic description of the CATS framework using theories…

Graphics · Computer Science 2023-03-08 Hua Wang , Wenshan Zhao , Zhigang Deng , Mingliang Xu

Independent from the still ongoing research in measuring individual intelligence, we anticipate and provide a framework for measuring collective intelligence. Collective intelligence refers to the idea that several individuals can…

Artificial Intelligence · Computer Science 2013-07-01 Michel Halmes

Multi-Agent Systems (MASs) have been used to solve complex problems that demand intelligent agents working together to reach the desired goals. These Agents should effectively synchronize their individual behaviors so that they can act as a…

Robotics · Computer Science 2019-12-05 Marco A. C. Simões , Robson Marinho da Silva , Tatiane Nogueira

In this paper, we present a novel community sensing paradigm -- {C}ommunity {S}ensing {W}ithout {A}ggregation}. CSWA is designed to obtain the environment information (e.g., air pollution or temperature) in each subarea of the target area,…

Machine Learning · Computer Science 2017-11-16 Jiang Bian , Haoyi Xiong , Yanjie Fu , Sajal K. Das

Artificial Intelligence (AI) has burrowed into our lives in various aspects; however, without appropriate testing, deployed AI systems are often being criticized to fail in critical and embarrassing cases. Existing testing approaches mainly…

Artificial Intelligence · Computer Science 2018-10-23 Siwei Fu , Anbang Xu , Xiaotong Liu , Huimin Zhou , Rama Akkiraju

Crowd density level estimation is an essential aspect of crowd safety since it helps to identify areas of probable overcrowding and required conditions. Nowadays, AI systems can help in various sectors. Here for safety purposes or many for…

Cryptography and Security · Computer Science 2024-05-14 Mahira Arefin , Md. Anwar Hussen Wadud , Anichur Rahman

As integrated sensing and communication (ISAC) becomes an integral part of 6G networks, distributed ISAC (DISAC) is expected to enhance both sensing and communication performance through its decentralized architecture. This paper presents a…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Yingjie Xu , Xuesong Cai , Michiel Sandra , Sara Willhammar , Fredrik Tufvesson