1. An apparatus for controlling an airbag, comprising: an imaging device including one or mom cameras and one or more lights; an image processor configured to perform an image processing for an image obtained by the imaging device; a collision sensor configured to sense a collision of a vehicle; an airbag driver configured to operate the airbag; and a controller configured to extract face information of a passenger from the image of which the image processing is performed by the image processor, determine airbag control information based on the extracted face information, and operate the airbag driver based on the determined airbag control information when the collision of the vehicle is predicted.