In this way, a hardware unit designed for block based comparisons may be implemented so as to work in {HEAD ~ both the image registration process} for still images and {TAIL ~ the video coding process} for coding a video sequence 
for
In this way , a hardware unit designed for block based comparisons may be implemented so as to work in { HEAD ~ both the image registration process } for still images and { TAIL ~ the video coding process } for coding a video sequence
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH