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Spatial Video Health Risk Mapping in Informal Settlements: Correcting GPS Error

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  • Andrew Curtis

    (GIS Health & Hazards Lab, Kent State University, Kent, OH 44242, USA)

  • Sandra Bempah

    (GIS Health & Hazards Lab, Kent State University, Kent, OH 44242, USA)

  • Jayakrishnan Ajayakumar

    (GIS Health & Hazards Lab, Kent State University, Kent, OH 44242, USA)

  • Dania Mofleh

    (College of Public Health, Kent State University, Kent, OH 44242, USA)

  • Lorriane Odhiambo

    (College of Public Health, Kent State University, Kent, OH 44242, USA)

Abstract

Informal settlements pose a continuing health concern. While spatial methodologies have proven to be valuable tools to support health interventions, several factors limit their widespread use in these challenging environments. One such technology, spatial video, has been used for fine-scale contextualized mapping. In this paper, we address one of the limitations of the technique: the global positioning system (GPS) coordinate error. More specifically, we show how spatial video coordinate streams can be corrected and synced back to the original video to facilitate risk mapping. Past spatial video collections for the Mathare informal settlement of Kenya are used as an illustration as these data had been previously discarded because of excessive GPS error. This paper will describe the bespoke software that makes these corrections possible, and then will go on to investigate patterns in the coordinate error.

Suggested Citation

  • Andrew Curtis & Sandra Bempah & Jayakrishnan Ajayakumar & Dania Mofleh & Lorriane Odhiambo, 2018. "Spatial Video Health Risk Mapping in Informal Settlements: Correcting GPS Error," IJERPH, MDPI, vol. 16(1), pages 1-13, December.
    • Handle: RePEc:gam:jijerp:v:16:y:2018:i:1:p:33-:d:192842
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    References listed on IDEAS

    as
    1. Jamie Bartram & Clarissa Brocklehurst & Michael B. Fisher & Rolf Luyendijk & Rifat Hossain & Tessa Wardlaw & Bruce Gordon, 2014. "Global Monitoring of Water Supply and Sanitation: History, Methods and Future Challenges," IJERPH, MDPI, vol. 11(8), pages 1-29, August.
    2. Andrew Curtis & Jacqueline W. Curtis & Lauren C. Porter & Eric Jefferis & Eric Shook, 2016. "Context and Spatial Nuance Inside a Neighborhood's Drug Hotspot: Implications for the Crime–Health Nexus," Annals of the American Association of Geographers, Taylor & Francis Journals, vol. 106(4), pages 819-836, July.
    3. Andrew Curtis & Chaz Felix & Susanne Mitchell & Jayakrishnan Ajayakumar & Peter R. Kerndt, 2018. "Contextualizing Overdoses in Los Angeles's Skid Row between 2014 and 2016 by Leveraging the Spatial Knowledge of the Marginalized as a Resource," Annals of the American Association of Geographers, Taylor & Francis Journals, vol. 108(6), pages 1521-1536, November.
    4. Ben Crow & James Davies & Susan Paterson & Julio Miles, 2013. "Using GPS and recall to understand water collection in Kenyan informal settlements," Water International, Taylor & Francis Journals, vol. 38(1), pages 43-60, January.
    5. Andrew Curtis & Jason K. Blackburn & Sarah L. Smiley & Minmin Yen & Andrew Camilli & Meer Taifur Alam & Afsar Ali & J. Glenn Morris, 2016. "Mapping to Support Fine Scale Epidemiological Cholera Investigations: A Case Study of Spatial Video in Haiti," IJERPH, MDPI, vol. 13(2), pages 1-13, February.
    6. Erica Hagen, 2011. "Mapping Change: Community Information Empowerment in Kibera (Innovations Case Narrative: Map Kibera)," Innovations: Technology, Governance, Globalization, MIT Press, vol. 6(1), pages 69-94, January.
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