DRIVER ASSISTANCE SYSTEM AND DRIVER ASSISTANCE METHOD

A driver assistance system includes: an infrared camera provided in a vehicle and configured to acquire infrared image data; a radar sensor provided in the vehicle and configured to acquire radar data; and a controller configured to process at least one of the infrared image data or the radar data, wherein the controller is configured to: identify a target object approaching in a lateral direction from an outside of a driving lane of the vehicle, based on at least one of the infrared image data or the radar data; and perform a collision avoidance control based on a similarity between the target object and a pedestrian.