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Quantifying Jacobs’ notion of ‘eyes upon the street’ in 3-dimensions

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  • Solmaz Amiri
  • Dennis R. Crain

Abstract

This study used georeferenced data and technologies to develop a technique for quantifying natural surveillance characteristics of building openings in 3-dimensions. The natural surveillance model accounted for the specification of observer and target points (occupant and road surveillability), architectural and landscape features, and eyewitness identification distance. Occupant and road surveillability measured surveillability of building openings as seen by neighbours and from roads, respectively. Yard vegetation had a significant impact on reducing occupant surveillability. Solid fencing had a significant effect on the reduction of road surveillability. This technique may be used to expand the study of natural surveillance in urban environments.

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  • Solmaz Amiri & Dennis R. Crain, 2020. "Quantifying Jacobs’ notion of ‘eyes upon the street’ in 3-dimensions," Journal of Urban Design, Taylor & Francis Journals, vol. 25(4), pages 467-485, June.
    • Handle: RePEc:taf:cjudxx:v:25:y:2020:i:4:p:467-485
    DOI: 10.1080/13574809.2019.1691440
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    Cited by:

    1. Matías Braun & Francisco Gallego & Rodrigo R. Soares, 2023. "Come Out and Play: Public Space Recovery, Social Capital, and Citizen Security," Documentos de Trabajo 571, Instituto de Economia. Pontificia Universidad Católica de Chile..

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