The gamma decoding circuit 6 is matched to the encoding gamma of the image generator 4, {HEAD ~ the first gamma encoding circuit} 7 is matched to {TAIL ~ the decoding gamma} of the second projector 2 and the second gamma encoding circuit 8 is matched to the decoding gamma of the first projector 1 
is matched to
The gamma decoding circuit 6 is matched to the encoding gamma of the image generator 4 , { HEAD ~ the first gamma encoding circuit } 7 is matched to { TAIL ~ the decoding gamma } of the second projector 2 and the second gamma encoding circuit 8 is matched to the decoding gamma of the first projector 1
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH