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19th June 2011, 21:53
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Registered User
Join Date: Apr 2011
Posts: 9
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HQDegrain
Hi all, I made this little degrain filter. I hope some of you will find it useful. If you have any kind of feedback, please do let me know what you think about it.
Code:
######################################################################
#
# ~HQDegrain v0.9.2 by Alek93j~ 29/06/2011
#
# Required MVtools2.dll http://avisynth.org.ru/mvtools/mvtools2.html
# ttempsmooth.dll http://avisynth.org.ru/docs/english/...tempSmooth.htm
# mt_masktools-25.dll http://manao4.free.fr/masktools-v2.0a48.zip
# blockbuster.dll http://kvcd.net/sansgrip/avisynth/
# removegrain.dll http://avisynth.org/mediawiki/Removegrain
#
# ~Syntax~
##################################################################################
#
# # It doesn't work perfectely with sudden luma changes such as fades, so it
# # is best not to filter those parts.
#
# -Example of a Backup of a NTSC DvD-
#
# MPEG2Source("C:\blabla.d2v")
# ivtc() (your prefer ivtc ectr)
# A=hqdegrain() (Clip normally processed)
# B=ttempsmoothf(maxr=7,strength=5,lthresh=3,cthresh=4) (or your prefer denoise for clean fade)
# B.Trim(0,215)+A.Trim(216,31464)
#
###########################################################################
Function HQDegrain(clip clp,int"Degrain",int"limit",string"preset",bool"HQ",\
int"maxr",int"strength",int"lthresh",int"cthresh",\
clip"PreNoise",int"BkSize",bool"noise",bool"lmask",\
int"Blk",int"PEL",int"DCT",int"Overlap",\
int "thSAD", int "thSADC",int "thSCD1", int "thSCD2")
{
#Presets available "Fast" - "Slow"
Preset=Default(Preset,"Slow")
pset=(Preset=="Fast") ? 0 : 1
#MDegrain Strength
Degrain = Default( Degrain , Select(pset,1,2)) # Means how many frame should be analyzed for a better result, 3 doesn't help much.
limit = Default( limit , 255 ) # limit of mvdegrain. (255 mean no limits)
#ttempsmoothf Strength
HQ = Default( HQ , Select(pset,false,true)) # Reduce artefact...
maxr = Default( maxr , Select(pset,3,5))
strength= Default( strength, Select(pset,3,4))
lthresh = Default( lthresh , Select(pset,2,3))
cthresh = Default( cthresh , Select(pset,3,4))
#Noise Filter
Noise = Default( Noise , true )
BkSize = Default( BkSize , 8 )
lmask = Default( lmask , Select(pset,false,true)) #if lmask is true, noise will not be added in the parts of the image with high luma values, because generally there is no need to filter them.
#Motion Vector Analyse
Blk = Default( Blk , 8 ) # Use 16/for 1080p - 8/for 720p - 4/for 480p to avoid unnecessary slowdowns.
PEL = Default( PEL , 2 )
DCT = Default( DCT , 0 )
OPS = Blk/2
Overlap = Default( Overlap , Select(pset,0,OPS))
#Threshold Setting
thSAD = Default( thSAD , 180 ) # Lower values will reduce artefacts for bad motion vectors, but they will also have a lighter denoising effect. For animated sources, 120 seems to be a good setting to start with.
thSADC = Default( thSADC , thSAD )
thSCD1 = Default( thSCD1 , 400 )
thSCD2 = Default( thSCD2 , 102 )
#Processing
input = clp
mask = clp.invert().levels(82,1,155,0,255,coring=false).Removegrain(12)
nse = defined(PreNoise) ? PreNoise
\: (Noise==true) ? clp.blockbuster(method="noise",Block_size=BkSize) : clp
clp = (Noise==false) ? clp : (lmask==true) ? mt_merge(clp,nse,mask) : nse
sup = clp.Msuper(hpad=Blk,vpad=Blk,PEL=PEL,levels=0)
BV1 = MAnalyse(sup,isb=true ,truemotion=true,delta=1,blksize=Blk,blksizeV=Blk,DCT=DCT,overlap=Overlap)
FV1 = MAnalyse(sup,isb=false,truemotion=true,delta=1,blksize=Blk,blksizeV=Blk,DCT=DCT,overlap=Overlap)
BV2 = (Degrain>=2) ? MAnalyse(sup,isb=true ,truemotion=true,delta=2,blksize=Blk,blksizeV=Blk,DCT=DCT,overlap=Overlap) : Blackness ()
FV2 = (Degrain>=2) ? MAnalyse(sup,isb=false,truemotion=true,delta=2,blksize=Blk,blksizeV=Blk,DCT=DCT,overlap=Overlap) : Blackness ()
BV3 = (Degrain==3) ? MAnalyse(sup,isb=true ,truemotion=true,delta=3,blksize=Blk,blksizeV=Blk,DCT=DCT,overlap=Overlap) : Blackness ()
FV3 = (Degrain==3) ? MAnalyse(sup,isb=false,truemotion=true,delta=3,blksize=Blk,blksizeV=Blk,DCT=DCT,overlap=Overlap) : Blackness ()
clp = (degrain==1) ? clp.MDegrain1(sup,BV1,FV1, thSAD=thSAD,thSADC=thSADC,thSCD1=thSCD1,thSCD2=thSCD2,limit=limit):
\ (degrain==2) ? clp.MDegrain2(sup,BV1,FV1,BV2,FV2, thSAD=thSAD,thSADC=thSADC,thSCD1=thSCD1,thSCD2=thSCD2,limit=limit):
\ clp.MDegrain3(sup,BV1,FV1,BV2,FV2,BV3,FV3,thSAD=thSAD,thSADC=thSADC,thSCD1=thSCD1,thSCD2=thSCD2,limit=limit)
Diff1 = mt_makediff(input,clp,U=3,V=3)
clp2 = clp.ttempsmoothf(maxr=maxr,strength=strength,lthresh=lthresh,cthresh=cthresh)
Diff2 = mt_makediff(input,clp2,U=3,V=3)
lutxy = mt_lutxy(Diff1,Diff2,"x 128 - abs y 128 - abs < x y ?")
output = (HQ==true) ? Input.mt_makediff(lutxy,U=3,V=3) : clp2
output }
Last edited by Alek93j; 29th June 2011 at 21:53. Reason: New Version |
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