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Old 13th February 2023, 22:59   #1  |  Link
xiaNaix
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Noisy Nose in VHS Capture

I have a tape circa 1985 that I believe is a 2nd gen transfer from a VHS camcorder. I have been able to clean it up somewhat but there is some weird noise around this individual's nose that I can't seem to get rid of. I'm not sure if it's a field issue, motion blur from the camera moving or what.

The clip is a few seconds of unprocessed Lagarith avi...
https://www.mediafire.com/file/k0r8w...NOSEY.avi/file

The issue is present before deinterlacing with QTGMC so it may have just been baked into the tape. If anyone has any ideas I'd appreciate it.
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Last edited by xiaNaix; 13th February 2023 at 23:03.
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Old 14th February 2023, 01:09   #2  |  Link
Emulgator
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Looks like a CCD bleeding fault, triggered by brighter parts, propagating in scan direction.
Here the nose is brightest, pulling brightness from the following contents for a few Ás.
Can be mended by a 1-dimensional (x-axis only) convolution filter which got to be made absolute and differential sensitive.
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Old 19th March 2023, 07:15   #3  |  Link
Mounir
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Try with Spotless that should get rid off most of it
https://imgsli.com/MTYzMTQ3

Quote:
AVISource("NOSEY.avi")
assumetff()
###########
assumetff()
ConvertToYV16(interlaced=true)
orig=last
ev=orig.assumetff().separatefields().selecteven()
od=orig.assumetff().separatefields().selectodd()
ev
ue_chroma = UToY(ev)
ve_chroma = VToY(ev)
YToUV(ue_chroma, ve_chroma)
MergeLuma(ev)
ev_filtered=last
od
uo_chroma = UToY(od)
vo_chroma = VToY(od)
YToUV(uo_chroma, vo_chroma)
MergeLuma(od)
od_filtered=last
interleave(ev_filtered,od_filtered).SpotLess()
assumefieldbased().assumetff().weave()
#
qtgmc(Preset="fast",edithreads=3)
SelectEven()
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