The image information includes {HEAD ~ the horizontal and vertical lengths} of {TAIL ~ the landing mark} captured by the camera 
The image information includes { HEAD ~ the horizontal and vertical lengths } of { TAIL ~ the landing mark } captured by the camera
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH