“…Finally, we discuss a series of considerations and future trends for the construction of indoor navigation and location systems for the visually impaired.…”
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“…It aims at providing a clear physical picture to elucidate the mechanics involved in single droplet motion and the various factors affecting the range. Assuming an indoor environment with an air temperature of 18 °C and relative humidity of 50%, the horizontal range [Formula: see text] of large respiratory droplets (diameter 120 μm–200 μm) in common respiratory activities are as follows: Speaking, [Formula: see text] ≈ 0.16 m–0.68 m, coughing, [Formula: see text] ≈ 0.58 m–1.09 m, and sneezing, [Formula: see text] ≈ 1.34 m–2.76 m. …”
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“…Indoor localization has recently witnessed an increase in interest due to its wide range of potential services. …”
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“…Activities of non-specific β-esterase enzymes were significantly higher in outdoor than indoor mosquitoes (Mean enzyme activity: Outdoor = : 1.70/mg protein; Indoor = 1.35/mg protein. …”
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“…This research investigated hospital indoor air quality to SARS-Cov-2 occurrence and determination its air born potential. …”
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“…Only vision-based navigation is the key of cost reduction and widespread application of indoor mobile robot. Consider the unpredictable nature of artificial environments, deep learning techniques can be used to perform navigation with its strong ability to abstract image features. …”
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“…This work describes a methodology for the definition of indoor air quality monitoring plans in schools and above all to improve the knowledge and evaluation of the indoor concentration levels of some chemical pollutants. …”
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“…Currently, a high percentage of the world’s population lives in urban areas, and this proportion will increase in the coming decades. In this context, indoor positioning systems (IPSs) have been a topic of great interest for researchers. …”
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“…Specific sites at Pa Miang, Doi Saket have the highest incidences of lung cancer and have a combination of factors that influence indoor radon concentration. Our study identified the sources of indoor radon within several houses. …”
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“…This paper proposes an advanced solution to improve the inertial velocity estimation of a rigid body, for indoor navigation, through implementing a magnetic field gradient-based Extended Kalman Filter (EKF). …”
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“…In this study, digital twins (DTs) are introduced to building indoor safety management. A framework for an indoor safety management system based on DT is proposed which exploits the Internet of Things (IoT), building information modelling (BIM), the Internet, and support vector machines (SVMs) to improve the level of intelligence for building indoor safety management. …”
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“…The removal of indoor and outdoor air pollutants is crucial to prevent environmental and health issues. …”
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“…Chi-square test and multivariate logistic regressions were used to analyze the relationship between indoor environment and children’s respiratory diseases. …”
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“…The other essential features of a typical indoor navigation system include pathfinding, obstacle avoidance, and capabilities for user interaction. …”
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“…Since COVID-19 pandemic, indoor air quality control has become a priority, and the development of air purification devices effective for disinfecting airborne viruses and bacteria is of outmost relevance. …”
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“…Infrastructure-free Indoor Positioning Systems (IPS) are becoming popular due to their scalability and a wide range of applications. …”
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