Pedestrian group detection is a challenging but significant issue in pedestrian flow control and public safety management. To address the issue that most conventional pedestrian grouping models (PGMs) can only identify a pedestrian group at a limited distance of less than 2 m, this study...

Lives or livelihoods" is a hard trade-off when confronting COVID-19, especially for cities in the Global South. Countermeasures to protect people's lives may exert negative impacts on urban households and test their livelihood resilience. Did COVID-19 discriminate? Did livelihood resilience vary...