Eurekalert  November 20, 2019 Researchers at Carnegie Mellon University have developed a system called Video Event Reconstruction and Analysis (VERA), that can accurately locate a shooter based on video recordings from as few as three smartphones. They released the code at a recent ACM International Conference on Multimedia in France. VERA uses machine learning techniques to synchronize the video feeds and calculate the position of each camera based on what that camera is seeing. The audio from the video feeds localizes the source of the gunshots. It also uses audio to identify the type of gun used, which determines bullet […]