The in-cabin visual perception has entered a period of high prosperity. The market demand is also gradually extending from the early simple face recognition and driver fatigue warning to the monitoring of a larger area in the cabin. According to public data forecasts, the global automotive CIS market will reach US$3.244 billion in 2027, of which the CIS market for in-cabin imaging systems will grow from US$209 million in 2021 to US$571 million in 2027, with a very broad development space . The use of visual perception technology can improve the user's driving experience. Through face recognition, the smart cockpit can verify the driver's identity and switch the personalized central control interface and multimedia settings according to the driver's identity.