A few techniques: how I restore black and white videos before colorization
Here are some techniques I used for cleaning and denoise & degraine and sharpening the black and white videos before colorization that I publish on my channel,
Here are the tool and software used:
Avisynth
Davinci resolve
Here are the avisynth scripts I used:
#cleaning
SpotLess(RadT=6, ThSAD2=900, pel=4, chroma=true)
#Denoising and #Degraining
super = MSuper(pel=2, sharp=1)
bv1 = MAnalyse(super, isb = true, delta = 1, overlap=4)
fv1 = MAnalyse(super, isb = false, delta = 1, overlap=4)
bv2 = MAnalyse(super, isb = true, delta = 2, overlap=4)
fv2 = MAnalyse(super, isb = false, delta = 2, overlap=4)
MDegrain2(super,bv1,fv1,bv2,fv2,thSADC=800, thSAD=800)
return last
FFT3DFilter(sigma=3.0, beta=1.0, plane=4, bw=16, bh=16, ow=8, oh=8, bt=3, kratio=3.0, sharpen=1.0, scutoff=0.3, svr=1.0, smin=4.0, smax=30.0, measure=true, interlaced=false, wintype=0, degrid=1.0, dehalo=1.0, hr=2.0, ht=50.0)
#Sharpen
aWarpSharp2(thresh=180, blur=3, type=0, depth=35, depthC=10, chroma=4)
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