{TAIL ~ These conditions} can occur, for example, for implementations employing {HEAD ~ planar image sensor} arrays wherein 
{ TAIL ~ These conditions } can occur , for example , for implementations employing { HEAD ~ planar image sensor } arrays wherein
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH