LIDAR

https://www.google.com/search?num=10&hl=en&site=imghp&tbm=isch&source=hp&biw=1280&bih=662&q=Infrared+aerial+photo&oq=Infrared+aerial+photo&gs_l=img.3..0i24j0i5i24l2.13347.28567.0.29594.21.19.0.2.2.0.377.3148.5j9j1j4.19.0...0.0...1ac.1.f0ijkkuQp9s#hl=en&site=imghp&tbm=isch&sa=1&q=LIDAR&oq=LIDAR&gs_l=img.3..0l10.232291.240249.2.244836.13.13.0.0.0.0.442.1740.5j6j1j0j1.13.0...0.0...1c.1.orymmNyQkR4&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.&fp=1577767060329d02&biw=1280&bih=662

LIDAR

This type uses a detection system that works on the principle of radar, but uses light from a laser.