Help with the AVISynth script

[Tri P]

I have this VHS source that is bad so it needs a lots of filtering and I need some advices if I can improve it more than I did.Here's the original and encoded sample and script I used:

LoadPlugin("C:\Program Files (x86)\MeGUI\tools\dgindex\DGDecode.dll")
DGDecode_mpeg2source("D:\Projekti\Yu-Gi-Oh! Season Zero\sample.d2v", cpu=4, info=3)
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\ColorMatrix.dll")
ColorMatrix(hints=true, threads=0)
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\Checkmate.dll")
checkmate()
AssumeTFF()
LoadPlugin("C:\Program Files (x86)\MeGui\tools\avisynth_plugin\RemoveGrain.dll")
LoadPlugin("C:\Program Files (x86)\MeGui\tools\avisynth_plugin\mt_MaskTools.dll")
LoadPlugin("C:\Program Files (x86)\MeGui\tools\avisynth_plugin\mvtools2.dll")
LoadPlugin("C:\Program Files (x86)\MeGui\tools\avisynth_plugin\NNEDI3.dll")
Import("C:\Program Files (x86)\MeGui\tools\avisynth_plugin\QTGMC-3.32.avsi")
Import("C:\Program Files (x86)\MeGui\tools\avisynth_plugin\SRestore.avsi")
QTGMC().Srestore(frate=23.976)
crop(8, 0, -16, 0)
LanczosResize(640,480) # Lanczos (Sharp)
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\UnDot.dll")
Undot() # Minimal Noise
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\mt_masktools-25.dll")
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\deen.dll")
Import("C:\Program Files (x86)\megui\tools\avisynth_plugin\HQDering.avs")
hqdering()
deen("a2d", 1, 2, 3)
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\SangNom.dll")
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\mt_masktools-25.dll")
Import("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\maa.avs")
maa()
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\aWarpSharp2.dll")
MergeChroma(aWarpSharp2(depth=20))
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\aWarpSharp.dll")
aWarpSharp(depth=10.0, blurlevel=1)
Import("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\ChromaShiftSP.avs")
ChromaShiftSP(X=-1)
LoadPlugin("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\RemoveGrainSSE2.dll")
Import("C:\Program Files (x86)\MeGUI\tools\avisynth_plugin\LimitedSharpenFaster.avsi")
LimitedSharpenFaster(ss_x=1.5, ss_y=1.5, strength=180, overshoot=0, undershoot=0, soft=0, edgemode=0)