How to turn drone real-time aerial photography into 3D images

This is a high-end application in the surveying and mapping industry. There are two ways to do this. One is LIDAR to scan the ground, but the amount of data is huge and the equipment is very expensive. There are few applications in the world. ; More often, the second type is used, commonly known as oblique photography 3D modeling, which uses drones for 3D scanning. The cost is lower. The quotation of this pod from domestic manufacturers is about 300,000. You can search Chengdu Ruibo to find out more.