False detection of {HEAD ~ noise} as an edge is {TAIL ~ a problem} commonly faced in general image processing applications 
False detection of { HEAD ~ noise } as an edge is { TAIL ~ a problem } commonly faced in general image processing applications
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH