nnedi3_rpow2

FichierSource='mpv-shot0006.png'

import vapoursynth as vs
import functools
core=vs.get_core()

def band(x,y):
	if x==y:
		return 255
	else:
		return 0

Clip=core.ffms2.Source(source=FichierSource)
Clip=core.std.ShufflePlanes(clips=Clip,planes=0,colorfamily=vs.GRAY)
Clipnnedi=core.nnedi3.nnedi3_rpow2(clip=Clip,rfactor=2)
for i in range(0,2):
	Clip=core.nnedi3.nnedi3(clip=Clip,field=1,dh=1,nsize=0,nns=3)
	Clip=core.std.Transpose(Clip)
Clip=core.std.Lut2(clipa=Clip,clipb=Clipnnedi,function=band)
Clip.set_output()