The image file is in {HEAD ~ a computer readable format}, and usually includes {TAIL ~ additional information} other than image data 
The image file is in { HEAD ~ a computer readable format } , and usually includes { TAIL ~ additional information } other than image data
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH