부산대학교 도서관

An effective home security system improves the standard of living by making the home a safer place to live in general. In recent years, smart door locks have become increasingly popular as an integral component of home security systems. Locking and unlocking a door with a smart door lock system requires authentication. Unfortunately, several break-in attempts have been made when the invader tried to bypass the locks. In this work, Internet of Things (IoT) and image processing can be used to strengthen the safety of Smart Door Lock systems. The camera is triggered after the motion detector has determined that a human has entered the area. The camera picks up a clear picture of the visitor standing by the entrance. Using image processing methods, the image is delivered to the microcontroller and compared with the registered users. A door will open automatically if the person's face is in the database. Otherwise, a notification and a photo of the person will be sent to the user's mobile app via IoT. In the designed mobile app, the user may view the individual's face and issue commands to the system, such as opening and closing doors. Using the developed methodology, the safety of the house will be increased, and unauthorized visitors will be prevented.