Build a Social Distancing Detector with OpenCV and a Raspberry Pi 4, image processing with RPi4, RPi4 opencv, opencv, RPi4, OpenCV with Raspberry Pi 4 During the era of Covid-19, social distancing has proven to be an efficient method of reducing the spread of contagious viruses. It is recommended that people avoid close contact as much as possible because of the potential for disease transmission. Many public spaces, including workplaces, banks, b ....