a storage unit for storing set values for said plurality of image processing units and {TAIL ~ image data} to be processed by {HEAD ~ said plurality} of image processing units 
a storage unit for storing set values for said plurality of image processing units and { TAIL ~ image data } to be processed by { HEAD ~ said plurality } of image processing units
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH