{HEAD ~ The image input} is stored in an image buffer as {TAIL ~ an addressable array} of sample values 
as
{ HEAD ~ The image input } is stored in an image buffer as { TAIL ~ an addressable array } of sample values
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH