You can try to manually georeference these images, but I think you will quickly find out that this is a tedious and time consuming task - especially if you have hundreds of drone photos from a single flight. In your case this is also complicated by the NDVI raster values. The result will not be very spatially accurate because georeferencing does not account for camera angles, terrain relief, etc.
I would look into a workflow called orthorectification. You can mosaic all the images together and turn them into a "map" where perspective distortion and terrain relief are minimized. The result will contain the correct georeferencing as well. Also worth noting that in order to do this, your drone imagery must be captured with proper image overlap. If your flight was not planned in this manner then you would have to recapture the data.
I'm not familiar enough with DJI to comment on the setup - but this process can be done using ESRI software.