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   Author  Topic: video filters  (Read 1072 times)
Andrew

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video filters
« on: Dec 6th, 2003, 5:03am »

thanks to Jerry Lawrence for putting up the source for the "video difference engine" (http://www.cis.rit.edu/~sdlpci/Software/processing/offline/video_differe nce.pde). I had basically the same idea but was/am too stupid to figure it out myself.
 
at any rate
here is the code after "tinkering"...
 
http://www.andrewchilds.com/p5/video/bleed.pde
 
and a short video clip using cnn footage
 
http://www.andrewchilds.com/p5/video/bleed.mov
 
-----------------
 
and here is one slightly different but much more distortion:
 
http://www.andrewchilds.com/p5/video/fuzz.pde
 
http://www.andrewchilds.com/p5/video/fuzz.mov
 
-----------------
 
http://www.andrewchilds.com/p5/video/water.pde
 
http://www.andrewchilds.com/p5/video/water.mov
« Last Edit: Dec 6th, 2003, 10:37pm by Andrew »  
Andrew

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something else
« Reply #1 on: Dec 8th, 2003, 1:28am »

CNN news feed repeat
 
http://www.andrewchilds.com/p5/video/news.pde
 
http://www.andrewchilds.com/p5/video/news.mov (4.7mb)
 
 
Andrew

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Re: video filters
« Reply #2 on: Dec 8th, 2003, 1:38am »

...this is in the wrong section isn't it
 
I was under the impression that "audio visual" meant either/or, not necessarily both...  oops!
 
well, if whoever wants to move this to wherever, please do
 
Andrew

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Re: video filters
« Reply #3 on: Dec 9th, 2003, 2:01am »

using the same pixel shifting, but no video:
 
http://www.andrewchilds.com/p5/5/
 
...is this thing on?
 
take my wife! please!
 
Jerronimo

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Re: video filters
« Reply #4 on: Dec 9th, 2003, 2:10am »

That's neat.  I need to drop your code into P5 and try it out with my webcam...  but the last thing you posted there is neat.  it really looks like flowing water.  
 
 
arielm

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Re: video filters
« Reply #5 on: Dec 9th, 2003, 2:50am »

example #2 (colored dots) is very enjoyable too!
 
q: where is the source-code
 
i'm interested to see which algorithm you use in order to get a different (yet harmonic) color at each click (are you simply moving along the "hue" axis?)
 

Ariel Malka | www.chronotext.org
Andrew

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Re: video filters
« Reply #6 on: Dec 9th, 2003, 8:35pm »

hello, thank you,
 
here is the source for the last one:
 
http://www.andrewchilds.com/p5/5/add_water.pde
 
http://www.andrewchilds.com/p5/5/add_water_2.pde
 
unfortunately, for the palette I used what I'm usually guilty of - the brute force approach - I have 6 or so colors manually picked out, mousepressed() randomly picks one.  nothing interesting there
 
I could probably boil the color scheme down to some algorithm, but for the time being I just wanted exact control over the palette
 
anyway, yes, this is all based on random numbers. I guess the real dilemma for me, is how to get from where I use random numbers to generate things, to more life-like methods.  maybe I just need to sit in on some high school trig classes?
 
arielm

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Re: video filters
« Reply #7 on: Dec 10th, 2003, 12:29am »

on Dec 9th, 2003, 8:35pm, Andrew wrote:
unfortunately, for the palette I used what I'm usually guilty of - the brute force approach - I have 6 or so colors manually picked out, mousepressed() randomly picks one.  nothing interesting there

Andrew, you really don't have to excuse yourself on this one, on the contrary:
 
the colors are beautiful and the work is really playfull, so that is the most important thing!
 
since i'm always complicating things, i thought you used a complex algorihtm, but actually, i'm very happy to learn that it's based on a very simple thing
 
simplicity is just something great when it works!
 

Ariel Malka | www.chronotext.org
Jerronimo

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Re: video filters
« Reply #8 on: Dec 12th, 2003, 12:14am »

Finally hooked up a video camera and tried out the bleed effects.  Very cool indeed.  
 
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