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| 1 | # avisynth script template for cel anime dvds that contain field blending/aliasing, dot-crawl and rainbowing. | |
| 2 | # note: this thing tries to be mild, since the creator doesn't believe in overfiltering and destroying the original sources. | |
| 3 | ||
| 4 | function daa3slow(clip c) {
| |
| 5 | dbl = merge(c.nnedi3(etype=1, field = 1, nns = 4, qual=2, nsize = 3,fapprox = 7,pscrn=1),c.nnedi3(etype=1, field = 0, nns = 4, qual=2, nsize = 3,fapprox = 7,pscrn=1)) | |
| 6 | dblD = mt_makediff(c,dbl,U=3,V=3) | |
| 7 | shrpD = mt_makediff(dbl,dbl.removegrain(11),U=3,V=3) | |
| 8 | DD = shrpD.repair(dblD,13) | |
| 9 | return dbl.mt_adddiff(DD,U=3,V=3) } | |
| 10 | ||
| 11 | #or use this faster version if daa3slow is too fast for you: | |
| 12 | function daa3(clip c) {
| |
| 13 | dbl = merge(c.nnedi3(etype=1, field = 1, nns = 2,nsize = 3,fapprox = 7,pscrn=1),c.nnedi3(etype=1, field = 0, nns = 2, nsize = 3,fapprox = 7,pscrn=1)) | |
| 14 | dblD = mt_makediff(c,dbl,U=3,V=3) | |
| 15 | shrpD = mt_makediff(dbl,dbl.removegrain(11),U=3,V=3) | |
| 16 | DD = shrpD.repair(dblD,13) | |
| 17 | return dbl.mt_adddiff(DD,U=3,V=3) } | |
| 18 | ||
| 19 | ||
| 20 | ||
| 21 | # Here comes your video source line (your video must still be interlaced - it gets IVTCed/decimated as a first step, below) | |
| 22 | ||
| 23 | ||
| 24 | ||
| 25 | ||
| 26 | # inverse telecine + decimation, to get to 24 fps. | |
| 27 | # if your source is not DVD footage via dgindex/dgdecode, you probably need to uncomment | |
| 28 | # the following line to make TFM() work. | |
| 29 | ||
| 30 | #assumetff() | |
| 31 | ||
| 32 | tfm(slow=2,pp=1,mode=2).tdecimate() | |
| 33 | assumefps(24000,1001) | |
| 34 | ||
| 35 | ||
| 36 | ||
| 37 | # Here comes a hack against dot crawl - it doesn't remove it 100%ly, but is rather detail safe. | |
| 38 | # It however needs that the file "noisepattern.avi" must be present in the location specified below. | |
| 39 | # That video contains a sample of dot-crawl noise to serve as a 'training' for fft3dfilter. | |
| 40 | # it is a sample video from a lousy ADV DVD... ask and ye shall be given, I guess? | |
| 41 | # try htttp://ulozto.net/x493J9tg/noisepattern-avi | |
| 42 | ||
| 43 | # also, your video needs to be 720x480 here - crop at the end of the script instead | |
| 44 | ||
| 45 | src = last | |
| 46 | ||
| 47 | ||
| 48 | # change the path of the noisepattern.avi file to wherever you put it | |
| 49 | avisource("c:\pattern\noisepattern.avi") + last
| |
| 50 | ||
| 51 | unf = last | |
| 52 | fft3dfilter(sigma= 1.7500, plane=0,bw=8,bh=8) | |
| 53 | den = last | |
| 54 | denoisediff = mt_makediff(unf,den,U=3,V=3) | |
| 55 | fft3dfilter(sigma= 0.01, pframe = 0, px = 34,py = 18, plane=0,pfactor =0.7,pcutoff=0.01,pshow=false,bw=8,bh=8) | |
| 56 | mt_adddiff(denoisediff,U=3,V=3) | |
| 57 | trim(1,0) | |
| 58 | ||
| 59 | ||
| 60 | # Now we will derainbow. Again, rather detail safe, but some limited discoloration can happen. | |
| 61 | # Current derainbowing methods available are sadly far form perfect. | |
| 62 | - | # this line covers up nasty aliasing and intelacing artifacts (combing) that are left from field blends. |
| 62 | + | |
| 63 | prerb = last | |
| 64 | derbmask = removegrainhd(rank=23,radius=6).tedgemask(threshY=8).mt_inflate() | |
| 65 | ||
| 66 | prefiltered = last | |
| 67 | derbsuperfilt = MSuper(prefiltered) | |
| 68 | - | #now we will stabilise lines/edges, it also helps against some dot crawl and shimmering. It should be detail-safe , though not 100%. |
| 68 | + | |
| 69 | derbbackward_vectors = MAnalyse(derbsuperfilt, truemotion = true, isb = true, chroma=false) | |
| 70 | derbforward_vectors = MAnalyse(derbsuperfilt, truemotion = true, isb = false, chroma=false) | |
| 71 | derbforward_compensation = MCompensate(derbsuper, derbforward_vectors) | |
| 72 | derbbackward_compensation = MCompensate(derbsuper, derbbackward_vectors) | |
| 73 | interleave(derbforward_compensation,last,derbbackward_compensation) | |
| 74 | dfmderainbow(maskthresh=10) | |
| 75 | selectevery(3,1) | |
| 76 | mt_merge(prerb,last, derbmask,luma=true) | |
| 77 | ||
| 78 | ||
| 79 | # now antialising (your video should still be 720x480 here - or at least should have height divisible by 4) | |
| 80 | # this line covers up nasty aliasing and interlacing artifacts (combing) that are left from field blends. | |
| 81 | # It nicely smooths those nasties and is still quite nice to detail. | |
| 82 | # The daa3slow() function is defined at the start of this script. | |
| 83 | ||
| 84 | spline36resize(width,height*3/2).daa3slow.spline36resize(width,height) | |
| 85 | ||
| 86 | #now we will stabilise lines/edges, it also helps against some dot crawl and shimmering. It should be detail-safe, though not 100%. | |
| 87 | ||
| 88 | source = last | |
| 89 | ||
| 90 | prefilt = last.removegrain(6).FFT3Dfilter(sigma=1.5,bw=16,bh=16,bt=3,ow=8,oh=8,plane=4) | |
| 91 | superfilt = prefilt.MSuper(pel=2, sharp=1) | |
| 92 | super = MSuper(pel=2, sharp=1) | |
| 93 | backward_vec2 = MAnalyse(superfilt, isb = true, delta = 2, overlap=4) | |
| 94 | backward_vec1 = MAnalyse(superfilt, isb = true, delta = 1, overlap=4) | |
| 95 | forward_vec1 = MAnalyse(superfilt, isb = false, delta = 1, overlap=4) | |
| 96 | forward_vec2 = MAnalyse(superfilt, isb = false, delta = 2, overlap=4) | |
| 97 | ||
| 98 | ||
| 99 | degrainedge = source.MDegrain2(super, backward_vec1,forward_vec1,backward_vec2,forward_vec2,thSAD=230) | |
| 100 | edgemask = removegrainhd(rank=25,radius=6).tedgemask(threshY=8) | |
| 101 | ||
| 102 | mt_merge(source,degrainedge,edgemask,luma=true) | |
| 103 | ||
| 104 | #You can crop now. Also, add denoising filters now if desired. /Please be gentle ;)/ |
