This document summarizes a seminar presentation on speed detection cameras. It introduces speed cameras and their use in traffic control and enforcement. The document explains that speed cameras use Doppler radar to detect the speed of passing vehicles based on the change in frequency of electromagnetic waves. It describes the basic architecture of speed cameras, including a signal generator and principles of Doppler effect for calculating speed. Potential future applications are identified, such as integrating helmet detection and identifying unsafe driving behaviors. The presentation concludes that speed cameras can reduce accidents and protect road users while also providing revenue.