Navigating indoors without a map can be challenging, especially for visually impaired individuals in unfamiliar settings. Many existing indoor navigation methods rely on building maps, pre-deployed infrastructure (like BLE beacons or RFID), or visual-based systems that require a clear line of sight to a camera. These requirements can make…

Exposure to volatile organic compounds (VOCs) has critical health implications for developing fetuses and subsequently for infants and young children. Research has suggested that this ambient air pollutant can be found indoors in quantities that may be hazardous to human health. In low-income neighborhoods in New York City such as northern…

Knowing the living environments is an intrinsic part of human development for building self-confidence and meeting social requirements. Proliferation of mobile devices has greatly changed our interaction with the physical environments. The problem for existing mobile navigation tools is that it only emphasizes the spatial factor by offering…