I need help stabilizing and removing the dust and scratches. I don't want to use the wrong filters and destroy the footage. i included 2 samples to show the wobble and dirt and scratches.
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I have "Brave Little Toaster" on one of my old laserdiscs, and don't remember the flicker you see in sample2. I'm not sure where they came from and I'm sure you can get a better source. Sample 1 looks fine to me and I don't know why you'd bother trying to do anything. Just watch the movie and enjoy it!
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I used Donald Graft's deflicker filter for VirtualDub's in AviSynth, Stab, and a few other things:
Code:LoadVirtualDubPlugin("g:\Program files\VirtualDub\plugins\deflick.vdf","DeFlick") import("C:\Program Files (x86)\AviSynth\plugins\TemporalDegrain.avs") import("C:\Program Files (x86)\AviSynth\plugins\RemoveDirtMC.avs") Mpeg2Source("sample1.d2v", CPU2="ooooxx", Info=3) # dering Stab(range=3, dxmax=4, dymax=4) Crop(6,4,-10,-4) ConvertToRGB32() #DeFlick(window size, softening, interlaced, scene change threshold, show scene change) DeFlick(8, 6, 0, 10, 0) ConvertToYV12() TemporalDegrain(SAD1=100, SAD2=75, sigma=4) RemoveDirtMC(20) Dup(threshold=5.0, blend=true, show=false)
Dup (near duplicate frames become exact duplicates) was used to reduce some of the rolling shutter wiggle where parts of the frame move independent of other parts. The high threshold was needed to reduce the wiggle, but leads to some blending of frames when there are only tiny differences between frames. Original on the left blended mouth on the right:
Using blend=false will help reduce that but you will then miss some unique frames. Using a lower threshold will also reduce the blending (or missing unique frames) but you will get less stabilization. Of just don't use it at all and live with the mild wiggle. -
Clever use of the dup plugin, first time I've seen it used anywhere. I got similar results (but not quite as wiggle free) with QTGMC/SelectOdd and some other stuff, reduced the speed to film rate and used DGpulldown to get 25fps and to make it sound like a movie instead of Alvin and the Chipmunks. Thanks for your notes on that script.
- My sister Ann's brother -
Hmmm...
I need to try dup() for the software TBC and a de-blend script that I've been toying with.Want my help? Ask here! (not via PM!)
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Keep in mind that Dup only works when there are two or more still frames in a row. I tried something like this for when there is motion in only parts of the frame:
Code:p00 = Crop((width/4)*0, (height/4)*0, width/4, height/4).Dup(threshold=5, blend=true) p01 = Crop((width/4)*1, (height/4)*0, width/4, height/4).Dup(threshold=5, blend=true) p02 = Crop((width/4)*2, (height/4)*0, width/4, height/4).Dup(threshold=5, blend=true) p03 = Crop((width/4)*3, (height/4)*0, width/4, height/4).Dup(threshold=5, blend=true) p10 = Crop((width/4)*0, (height/4)*1, width/4, height/4).Dup(threshold=5, blend=true) p11 = Crop((width/4)*1, (height/4)*1, width/4, height/4).Dup(threshold=5, blend=true) p12 = Crop((width/4)*2, (height/4)*1, width/4, height/4).Dup(threshold=5, blend=true) p13 = Crop((width/4)*3, (height/4)*1, width/4, height/4).Dup(threshold=5, blend=true) p20 = Crop((width/4)*0, (height/4)*2, width/4, height/4).Dup(threshold=5, blend=true) p21 = Crop((width/4)*1, (height/4)*2, width/4, height/4).Dup(threshold=5, blend=true) p22 = Crop((width/4)*2, (height/4)*2, width/4, height/4).Dup(threshold=5, blend=true) p23 = Crop((width/4)*3, (height/4)*2, width/4, height/4).Dup(threshold=5, blend=true) p30 = Crop((width/4)*0, (height/4)*3, width/4, height/4).Dup(threshold=5, blend=true) p31 = Crop((width/4)*1, (height/4)*3, width/4, height/4).Dup(threshold=5, blend=true) p32 = Crop((width/4)*2, (height/4)*3, width/4, height/4).Dup(threshold=5, blend=true) p33 = Crop((width/4)*3, (height/4)*3, width/4, height/4).Dup(threshold=5, blend=true) StackVertical(\ StackHorizontal(p00,p01,p02,p03),\ StackHorizontal(p10,p11,p12,p13),\ StackHorizontal(p20,p21,p22,p23),\ StackHorizontal(p30,p31,p32,p33))
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An alternative to Dup that might provide a smoother result, you could use my interlaced video adaptation of MugFunky's "filldrops" code. Here it is:
Code:function filldropsI (clip c) { even = c.SeparateFields().SelectEven() super_even=MSuper(even,pel=2) vfe=manalyse(super_even,truemotion=true,isb=false,delta=1) vbe=manalyse(super_even,truemotion=true,isb=true,delta=1) filldrops_e = mflowinter(even,super_even,vbe,vfe,time=50) odd = c.SeparateFields().SelectOdd() super_odd=MSuper(odd,pel=2) vfo=manalyse(super_odd,truemotion=true,isb=false,delta=1) vbo=manalyse(super_odd,truemotion=true,isb=true,delta=1) filldrops_o = mflowinter(odd,super_odd,vbo,vfo,time=50) evenfixed = ConditionalFilter(even, filldrops_e, even, "YDifferenceFromPrevious()", "lessthan", "0.1") oddfixed = ConditionalFilter(odd, filldrops_o, odd, "YDifferenceFromPrevious()", "lessthan", "0.1") Interleave(evenfixed,oddfixed) Weave() }
The difference between this function and "dups" is that this function will use motion estimation to interpolate the new frame, which might provide a smoother result (I'd have to try it out on the actual video to know for sure). -
Here's sample of the earlier video with the original Dup() replaced with 16 Dups as in post #9.
Last edited by jagabo; 13th Aug 2017 at 13:39.
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