Therefore, if, for example, all pixels lie in a particular bin then {HEAD ~ the height} of {TAIL ~ that bin} would be 255 and all others 0 
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Therefore , if , for example , all pixels lie in a particular bin then { HEAD ~ the height } of { TAIL ~ that bin } would be 255 and all others 0
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH