The SwannBuddy 4K offers a familiar design to both the original SwannBuddy and most video doorbells, with a large doorbell button in the center of the device, ringed with light (briefly blue, turning ...

In modern era, the security concerns have grown enormously. The security of restricted areas such as secret offices or buffer zones is of extreme importance. Monitoring such areas rely currently on ...

Motion recognition is a popular research topic in recent years, and the corresponding data processing to obtain the motion characteristics is one of the most important parts. In this paper, a ...