An AR Visualization System for 3D Carbon Dioxide Concentration Measurement Using Fixed and Mobile Sensors

Maho Otsuka, Monica Perusquía-Hernández, Naoya Isoyama, Hideaki Uchiyama, Kiyoshi Kiyokawa

Abstract: Recently, the use of CO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> concentration monitors as a guide for ventilation is increasing in spaces where many people gather, such as offices. However, 2D map-based visualizations are not enough to understand the progression of indoor air pollution. Therefore, we propose a three-dimensional (3D) visualization of CO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> concentration using a head-mounted display (HMD). A 3D distribution of CO <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</inf> concentration is automatically calculated using the position coordinates and measured values of fixed and mobile sensors. The results of the preliminary user evaluation suggested that AR visualization may be a more effective way to inform the need for ventilation than conventional methods.