Computer vision patent from BYD detects animals sheltering under vehicles preventing harm

BYD has patented a new imaging system designed to detect animals and birds hiding beneath parked vehicles. Using computer vision and artificial intelligence, the technology can alert drivers before the vehicle starts moving, helping prevent injuries to animals sheltering under cars.

The system addresses a common issue where animals such as cats, dogs, birds, and other wildlife seek refuge beneath parked vehicles during extreme weather conditions. It uses underbody cameras, many of which are already found in modern vehicles for parking and surround-view functions, while AI-powered software continuously scans for animals beneath the vehicle.

Inside BYD's underbody imaging technology

The system begins working when the vehicle is parked and powered off. Underbody cameras capture images of the area beneath the vehicle and store them as reference data. These images record the normal condition of the space under the vehicle, including fixed components, dirt, debris, and surrounding ground conditions.

When the vehicle is started again, the same cameras capture new images. Deep learning algorithms compare these real-time images with the stored reference images to identify any new objects or movement beneath the vehicle. This comparison allows the system to detect changes and determine whether a living creature may be present under the vehicle.

Teaching AI to recognise animals

One of the biggest challenges is telling the difference between animals and normal environmental changes. Shadows, dust, leaves, road debris, and changing weather conditions can all alter what the cameras see.

BYD's system is designed to filter out these harmless changes. The AI is trained to recognize characteristics associated with living creatures, including movement patterns, body shapes, thermal signatures, and behavioural cues. By focusing on these indicators, the system can identify animals more accurately while reducing false alerts caused by changing surroundings.

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What happens when an animal is detected

If an animal is detected beneath the vehicle, the system sends visual and audio alerts through the infotainment screen. This gives the driver an opportunity to check the area before moving the vehicle. The driver can then decide how to respond, whether by waiting for the animal to leave, checking underneath the vehicle, or moving carefully while monitoring the surroundings. The system does not prevent the vehicle from starting or take control of vehicle functions. Instead, it provides information so drivers can make informed decisions.

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