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  • Decision-making in single and multiple-screen CCTV surveillance

    Author(s)
    Stainer, MJ
    Raj, PV
    Aitken, BM
    Bandarian-Balooch, S
    Boschen, MJ
    Griffith University Author(s)
    Boschen, Mark J.
    Stainer, Matt J.
    Bandarian-Balooch, Sia
    Aitken, Benjamin
    Year published
    2021
    Metadata
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    Abstract
    One task of CCTV operation is to decide whether footage shown in videos depicts criminal behaviour, or allows a viewer to predict its occurrence. An increasing prevalence of cameras in the world, means an increase in screens in the control room. This presents a signal-to-noise challenge where the signal (criminal activity) may become more difficult to detect amongst the noise. We used signal detection approaches to understand which factors were associated with decision-making in a CCTV task. When detecting aggressive incidents, higher conscientiousness was associated with making better decisions, with a higher criterion for ...
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    One task of CCTV operation is to decide whether footage shown in videos depicts criminal behaviour, or allows a viewer to predict its occurrence. An increasing prevalence of cameras in the world, means an increase in screens in the control room. This presents a signal-to-noise challenge where the signal (criminal activity) may become more difficult to detect amongst the noise. We used signal detection approaches to understand which factors were associated with decision-making in a CCTV task. When detecting aggressive incidents, higher conscientiousness was associated with making better decisions, with a higher criterion for responding (meaning fewer false-positive responses). However, conscientious individuals tended to be less confident (in multiplex displays), and were slower in responding – which reflects that these individuals require more evidence to make these decisions. Higher trait cognitive anxiety was again associated with making earlier responses, while extraversion was also associated with earlier responding in multiplexed displays. Taken in combination, our results suggest that there is a fine balance between making correct decisions, and making early decisions – and that these need to be considered together in the CCTV task.
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    Journal Title
    Applied Ergonomics
    Volume
    93
    DOI
    https://doi.org/10.1016/j.apergo.2021.103383
    Subject
    Human Movement and Sports Sciences
    Medical Physiology
    Design Practice and Management
    Publication URI
    http://hdl.handle.net/10072/402648
    Collection
    • Journal articles

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