Posted: 4/25/2011 4:12 PM
Post subject: Deinterlacing a PNG file
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GabCM
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Joined: 5/5/2009
Posts: 901
Location: QC, Canada
I've extracted two PNG images from an interlaced VOB file. I'd like to deinterlace at least one of them. I don't care if it gives a blurry result, I just want it not to look "blocky". In fact, these two images are the same thing, but the interlacing looks different. Image 1 Image 2 Is there an automatic or manual way to get a single deinterlaced picture? I'm looking for a solution that implies the use of one of these images, or both of them. Thank you.
Posted: 4/25/2011 6:56 PM
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nesrocks
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Player (241)
Joined: 5/1/2004
Posts: 4096
Location: Rio, Brazil
Photoshop was open so I did it for you, is this what you want? I opened one image and put the other one on a new layer on top of it, with 50% transparency. Result
aka Nesrocks http://www.youtube.com/user/UoBtExFODA https://nesrocks.com https://twitter.com/bitinkstudios
Posted: 4/25/2011 7:32 PM
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GabCM
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Joined: 5/5/2009
Posts: 901
Location: QC, Canada
FODA wrote:
Photoshop was open so I did it for you, is this what you want? I opened one image and put the other one on a new layer on top of it, with 50% transparency. Result
Looks really nice! I'll go with that. Thank you! And I'll remember that trick. By the way, it's my avatar now. lol
Posted: 4/25/2011 8:21 PM
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creaothceann
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Editor
Joined: 4/7/2005
Posts: 1874
Location: Germany
For deinterlacing there are lots of filters available (e.g. Yadif or QTGMC), but in this case a simple blend is better. This is in AviSynth what FODA did: 
f0 = ImageReader("image1.png").Trim(0, -1).ConvertToRGB32
f1 = ImageReader("image2.png").Trim(0, -1).ConvertToRGB32
Layer(f0, f1, level=128)
Posted: 4/28/2011 2:52 PM
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Swedishmartin
Joined: 11/26/2005
Posts: 285
Funny you posted that pic, since I, too, wear a miniature belt on my head.