The Use of Spatial Video to Map Dynamic and Challenging Environments: A Case Study of Cholera Risk in the Mujoga Relief Camp, D.R.C.

The Use of Spatial Video to Map Dynamic and Challenging Environments: A Case Study of Cholera Risk in the Mujoga Relief Camp, D.R.C.
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DOI:
10.3390/tropicalmed7100257
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发表时间:
2022-09-22
影响因子:
2.9
通讯作者:
Morris JG Jr
Morris JG Jr
中科院分区:
医学3区
文献类型:
--
作者:
Curtis AJ;Maisha F;Ajayakumar J;Bempah S;Ali A;Morris JG Jr

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在本文中,我们概述了如何利用丰富的上下文映射的空间视频数据收集作为一种通用工具,在具有挑战性的环境中调查亚社区规模的健康风险,包括霍乱。为了说明该方法的灵活性,我们考虑了2021年5月22日刚果民主共和国尼拉贡戈火山爆发后建立的Mujoga救济营的生命周期。更具体地说,我们将调查这些方法是如何捕捉到一个营地不断恶化的条件的,该营地还出现了实验室确诊的霍乱病例。从2021年6月至2022年3月,每月采集空间视频数据。这些坐标标记的图像用于制作每月的营地地图,然后将其返回给实地小组,以增加对情况的了解。与此同时,一个基于变焦的地理叙事被用来讨论营地的变化,包括停止免费供水和厕所设施的明显恶化。论文最后强调了SV制图的下一个数据科学进展,包括自动识别和绘制风险的机器学习,以及这些技术如何在Mujoga得到应用。
In this paper, we provide an overview of how spatial video data collection enriched with contextual mapping can be used as a universal tool to investigate sub-neighborhood scale health risks, including cholera, in challenging environments. To illustrate the method’s flexibility, we consider the life cycle of the Mujoga relief camp set up after the Nyiragongo volcanic eruption in the Democratic Republic of Congo on 22 May 2021. More specifically we investigate how these methods have captured the deteriorating conditions in a camp which is also experiencing lab-confirmed cholera cases. Spatial video data are collected every month from June 2021 to March 2022. These coordinate-tagged images are used to make monthly camp maps, which are then returned to the field teams for added contextual insights. At the same time, a zoom-based geonarrative is used to discuss the camp’s changes, including the cessation of free water supplies and the visible deterioration of toilet facilities. The paper concludes by highlighting the next data science advances to be made with SV mapping, including machine learning to automatically identify and map risks, and how these are already being applied in Mujoga.
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