Camera system for intelligent driver assistance system, and driver assistance system and method

A camera system comprising:

• a camera module, wherein the camera module comprises:
• a first housing;
• a lens;
• a lens barrel supporting the lens;
• a first printed circuit board disposed inside the first housing;
• and
• an image sensor mounted on the first printed circuit board and configured to obtain image data through the lens;
• a signal processing module spatially separated from the camera module and comprising:
• a second housing,
• a second printed circuit board disposed inside the second housing,
• an image processor mounted on the second printed circuit board and configured to process the image data, and
• a micro control unit (MCU) configured to provide a control signal to a vehicle based on processing the image data;
• a cable electrically connecting the camera module to the signal processing module;
• and
• a mounting module for fixing the camera module,
• wherein the mounting module comprises a recess into which the camera module is inserted, and
• wherein the camera module is inserted into the recess via a groove-protrusion joint.