System and method for controlling door

A system for controlling a door, the system comprising:

• a camera to capture an image;
• a processing unit connected to the camera to receive the image;
• a storage unit connected to the processing unit and storing a plurality of programs to be executed by the processing unit, wherein the storage unit comprises:
• a first image storing module to store a plurality of images for different people's faces;
• a setting module to be loaded or programmed with a predetermined percentage;
• a comparison module to compare the current image captured by the camera with the images stored in the first image storing module to determine whether there is a person appearing in the current image based on the predetermined percentage;
• and
• a controlling module to control a driving unit of the door to open the door upon the condition that the comparison module determines that there is a person appearing in the current image.