Mvtools doc lists Peltype = 0 as being Bilinear, 1 as Catmull-Rom, and 2 as a 3 tap Wiener filter (supposedly similar to lanczos)
vsdenoise instead implements these inconsistently, with a Bilinear PelType being completely unimplemented and the Wiener PelType instead being a cubic kernel.
Mvtools doc lists Peltype = 0 as being Bilinear, 1 as Catmull-Rom, and 2 as a 3 tap Wiener filter (supposedly similar to lanczos)
vsdenoise instead implements these inconsistently, with a Bilinear PelType being completely unimplemented and the Wiener PelType instead being a cubic kernel.