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Real-time crowd labeling for deployable activity recognition

Published: 23 February 2013 Publication History

Abstract

Systems that automatically recognize human activities offer the potential of timely, task-relevant information and support. For example, prompting systems can help keep people with cognitive disabilities on track and surveillance systems can warn of activities of concern. Current automatic systems are difficult to deploy because they cannot identify novel activities, and, instead, must be trained in advance to recognize important activities. Identifying and labeling these events is time consuming and thus not suitable for real-time support of already-deployed activity recognition systems. In this paper, we introduce Legion:AR, a system that provides robust, deployable activity recognition by supplementing existing recognition systems with on-demand, real-time activity identification using input from the crowd.
Legion:AR uses activity labels collected from crowd workers to train an automatic activity recognition system online to automatically recognize future occurrences. To enable the crowd to keep up with real-time activities, Legion:AR intelligently merges input from multiple workers into a single ordered label set. We validate Legion:AR across multiple domains and crowds and discuss features that allow appropriate privacy and accuracy tradeoffs.

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  • (2024)CASL: Capturing Activity Semantics Through Location Information for Enhanced Activity RecognitionIEEE/ACM Transactions on Computational Biology and Bioinformatics10.1109/TCBB.2023.323806421:4(1051-1059)Online publication date: Jul-2024
  • (2022)Understanding the Roles of Video and Sensor Data in the Annotation of Human ActivitiesInternational Journal of Human–Computer Interaction10.1080/10447318.2022.210158939:18(3634-3648)Online publication date: Aug-2022
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    cover image ACM Conferences
    CSCW '13: Proceedings of the 2013 conference on Computer supported cooperative work
    February 2013
    1594 pages
    ISBN:9781450313315
    DOI:10.1145/2441776
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    Published: 23 February 2013

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    Author Tags

    1. activity recognition
    2. crowdsourcing
    3. human computation

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    February 23 - 27, 2013
    Texas, San Antonio, USA

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    • (2024)CASL: Capturing Activity Semantics Through Location Information for Enhanced Activity RecognitionIEEE/ACM Transactions on Computational Biology and Bioinformatics10.1109/TCBB.2023.323806421:4(1051-1059)Online publication date: Jul-2024
    • (2022)Understanding the Roles of Video and Sensor Data in the Annotation of Human ActivitiesInternational Journal of Human–Computer Interaction10.1080/10447318.2022.210158939:18(3634-3648)Online publication date: Aug-2022
    • (2021)Crowdsourcing Design Guidance for Contextual Adaptation of Text Content in Augmented RealityProceedings of the 2021 CHI Conference on Human Factors in Computing Systems10.1145/3411764.3445493(1-14)Online publication date: 6-May-2021
    • (2021)Deep Learning Algorithms for Human Activity Recognition: A Comparative AnalysisCybernetics, Cognition and Machine Learning Applications10.1007/978-981-33-6691-6_43(391-402)Online publication date: 31-Mar-2021
    • (2021)Brief Analysis on Human Activity RecognitionCybernetics, Cognition and Machine Learning Applications10.1007/978-981-33-6691-6_2(9-20)Online publication date: 31-Mar-2021
    • (2021)The Imperative Role of Pervasive Data in HealthcarePervasive Healthcare10.1007/978-3-030-77746-3_2(17-29)Online publication date: 16-Nov-2021
    • (2020)Sifter: A Hybrid Workflow for Theme-based Video Curation at ScaleProceedings of the 2020 ACM International Conference on Interactive Media Experiences10.1145/3391614.3393657(65-73)Online publication date: 17-Jun-2020
    • (2020)Automated Class Discovery and One-Shot Interactions for Acoustic Activity RecognitionProceedings of the 2020 CHI Conference on Human Factors in Computing Systems10.1145/3313831.3376875(1-14)Online publication date: 21-Apr-2020
    • (2020)LabelSens: enabling real-time sensor data labelling at the point of collection using an artificial intelligence-based approachPersonal and Ubiquitous Computing10.1007/s00779-020-01427-xOnline publication date: 27-Jun-2020
    • (2019)Semi-Automated Data Labeling for Activity Recognition in Pervasive HealthcareSensors10.3390/s1914303519:14(3035)Online publication date: 10-Jul-2019
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