Here is a search & rescue drone that relies on a thermal imager and machine learning to locate people in dense forests. It can see through forests thanks to airborne optical sectioning (AOS). AOS can reveal an entire human shape that can be classified by a trained AI. The below video shows this drone in action:
This drone has a endurance of 3h and can scan at a speed of 10m/s. It can fly in bad weather.
[HT]