DeepEnhancer

[Selur]

Here's a Vapoursynth port or RemoveDirtSMC, but normal RemoveDirtMC seems superior.
The S seems to stand for 'simple'.

def RemoveTempGrain(clip: vs.VideoNode, mode: int=17) -> vs.VideoNode:
  if hasattr(core, 'zsmooth'):
    rg = core.zsmooth.RemoveGrain(clip, mode=mode)
  else:
    rg = core.rgvs.RemoveGrain(clip, mode=mode)
  return TemporalRepair(rg, clip)

def RemoveDirtS(clip: vs.VideoNode, limit: int= 6, grey: bool=False) -> vs.VideoNode:
  clensed = core.rgvs.Clense(clip)
  if hasattr(core, 'zsmooth'):
    alt = core.zsmooth.RemoveGrain(clip, mode=10)
  else:
    alt = core.rgvs.RemoveGrain(clip, mode=10)
  return core.removedirt.RestoreMotionBlocks(clensed, clip, alternative=alt, pthreshold=4, cthreshold=6, gmthreshold=40, dist=1, dmode=2, debug=False, noise=limit, noisy=16, grey=False)

def RemoveDirtSMC(clip: vs.VideoNode, limit: int=6, repmode: int=16, remgrainmode: int=17, block_size: int=8, block_over: int=4, gpu: bool=False) -> vs.VideoNode:
  
  if gpu:
    import ChangeFPS
    block_over = 0 if block_over == 0 else 1 if block_over == 2 else 2 if block_over == 4 else 3
    Super = core.svp1.Super(clip, "{gpu:1,pel:4}")
    bvec = core.svp1.Analyse(Super['clip'], Super['data'], clip, "{ gpu:1, block:{w:"+str(block_size)+", h:"+str(block_size)+",overlap:"+str(block_over)+"} }")
    fvec = core.svp1.Analyse(Super['clip'], Super['data'], clip, "{ gpu:1, block:{w:"+str(block_size)+", h:"+str(block_size)+",overlap:"+str(block_over)+",special:{delta: 1}} }")
    backw = core.svp2.SmoothFps(clip,Super['clip'], Super['data'],bvec['clip'],bvec['data'],"{}") # here the frame rate is doubled
    forw = core.svp2.SmoothFps(clip,Super['clip'], Super['data'],fvec['clip'],fvec['data'],"{}")  # here the frame rate is doubled
    # since backw and forw now have twice the frame count I drop half the frames
    backw = ChangeFPS.ChangeFPS(backw,clip.fps_num,clip.fps_den)
    forw = ChangeFPS.ChangeFPS(forw,clip.fps_num,clip.fps_den)
  else:
    #block size of MAnalyze, blksize 8 is much better for 720x576 noisy source than blksize=16
    #block overlapping of MAnalyze 0! 2 or 4 is not good for my noisy b&w 8mm film source
    i = core.mv.Super(clip, pel=2, sharp=2)    #  avs: i=MSuper(clip,pel=2, isse=false)
    bvec = core.mv.Analyse(super=i,isb=True, blksize=block_size,overlap=block_over, delta=1, truemotion=True, chroma=True)  
    fvec = core.mv.Analyse(super=i,isb=False, blksize=block_size,overlap=block_over, delta=1, truemotion=True, chroma=True)
    backw = core.mv.Flow(clip=clip,super=i,vectors=[bvec])
    forw  = core.mv.Flow(clip=clip,super=i,vectors=[fvec])

  clip    = core.std.Interleave([backw, clip, forw])
  clip    = RemoveDirtS(clip, limit)
  if hasattr(core, 'zsmooth'):
    clip = core.zsmooth.RemoveGrain(clip, mode=10)
  else:
    clip = core.rgvs.RemoveGrain(clip, mode=10)
    
  clip = core.std.SelectEvery(clip, 3, 1)

  return clip