[M4IF Technotes] Re: GMC concept

[kasturi rangam]

Please help..
> 
> Hi,
> 
> >From what I understand, for a zoomed reference, the motion vector
> is of the form X=Ai, Y=Ej. The warped reference for each macroblock
> is exactly the same shape and next to each other (no overlap). But,
> concept-wise only the zoom-center is scaled exactly the same as the
> picture and rest of them are distored (perspective distortion). So how
> exactly the global compensation helps in this scenario while using the
> same parameters A and E for all the macroblocks.
> 
> Thanks,
> 
> Kasturi