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