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