Trillium Learning conducted an Invasive Species test on Dec. 3, 2015 at the Trotters Park Retention Pond in Orlando, Florida.
NDVI (Normalized Difference Vegetation Index): Trotter Park, Orlando, FL, taken with Sentera NDVI sensor on a DJI Phantom 3. Note that the brightest reflections from NIR and Color represent algae above water; all other objects are under water. Pond Fly-around movie at bottom of page.
Orthomosaic from 98 Images, taken at 200’ altitude
Selected Area 1
Trotter Pond RGB NIR Color
Selected Area 2
RGB NIR Color
Trotters Pond Fly-around (3D mesh with Point Cloud) – 7MB please be patient for download depending on available bandwidth