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18th December 2008, 22:23 | #1 | Link |
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Deliberately Terrible Compression
First of all, I'd like to say thank you to the community at large - I've learned pretty much all I know about compression from this forum and I appreciate the enormous amount of time people here devote to helping out all the newbies like me.
Recently I've become really interested in "painting" with compression. By compressing bad source, encouraging generational artifacts and other methods I've created some interesting effects, but nothing I think has been really successful. There's an artist named Takeshi Murata who does incredible work and I've been trying to figure out how. Here's an example of his footage. My first assumption was that he was simply choosing his source footage really carefully and then encoding it with few to no I or P frames and minimal scenecut detection. I tried this out and did get /some/ smearing, but nothing as colorful as what he created. This may be due to my source footage not being crappy enough, or perhaps the wrong codec. I can't tell what he's using, but it looks more like Xvid to me than anything else. If anyone has ideas, I'd love to hear them. Thanks! |
19th December 2008, 01:03 | #4 | Link |
I dont care so should you
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Wow I am impressed I thought encoding couldn't get any worse then this comes up... Again I say wow...
You could try encoding at a super low bitrate if your looking to duplicate his results... Maybe M$ asf
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My Installer's || Last edited by Ajax_Undone; 19th December 2008 at 09:59. |
19th December 2008, 02:31 | #6 | Link |
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Try going crazy with x264's psychovisual options, and playing with deblocking.
Ajax means Microsoft's ASF format. http://en.wikipedia.org/wiki/Advanced_Systems_Format Thanks for the link, looks very intriguing Last edited by Ranguvar; 19th December 2008 at 05:41. |
19th December 2008, 12:12 | #8 | Link | |
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Quote:
It appears as if he's dynamically and selectively adjusting the pixelation in patterns and also dynamically adjusting the colours. No idea how you'd achieve this but I suspect it's a lot more work than you'd assume. Wombler |
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19th December 2008, 13:37 | #9 | Link |
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Yep, I rekon definately a case of image processing and not compression induced.
Kinda reminds me of the crazy images you used to be able to get by pointing a camera at a monitor that was displaying the camera's output. TTFN, Jon |
19th December 2008, 16:57 | #10 | Link |
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Wombler may me correct, but AVS video converter has an array of editing effects such as Gamma saturation, Color saturation, Tempature, Embossing... ad nuaseum as well as the ususal conversion of file types. NERO, 7 and up also offers some of the saturation and compression choices that might get close this result. Try overdriving the color if you have any such programs, then squish it down to a flash file and convert back to .avi. I once created a file that looked just that bizzare by accident, but in my frustration I I did not know I had created artwork
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27th December 2008, 20:46 | #20 | Link |
x264aholic
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Another way is to a feedback loop consisting of:
Source with blurring/deblocking/smearing (avisynth) encode from source and output as the input to the source.avs file using crappy settings (qp 35 anyone?) Rinse, repeat.
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Tags |
artifacts, distortion, painting, psychedelic, takeshi murata |
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