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View Full Version : Fixing colors


jumpjack
6th July 2015, 14:24
My camera started shooting in false colors for unknown reasons... Now my clips look a lot like you can see at minute 1.11 in this footage:
http://www.timandjoe.co.uk/Google-Street-View-Animation

Is this a "known issue" of digital cameras?
Not being able to fix it by hardware, I'd like to attempt a SW fix: I installed this plugin (http://neuron2.net/pseudocolor/pseudocolor.html) in virtualdub, which allows replacing single colors; but how do I know the color of a pixel? i found ColorPicker (http://www.infognition.com/cgi/getfilter?id=164&a=go) plugin, but it requires manual coordinates input...

Can I in some way save the palette of a frame in the "pseudocolor plugin" format?

shekh
6th July 2015, 18:45
The simplest way to pick color: hover over preview window and hold shift. You will see overlay window with decimal rgb values etc.

raffriff42
6th July 2015, 19:12
The image at 1:11 is solarized: (https://en.wikipedia.org/wiki/Solarisation)

https://www.dropbox.com/s/5214qbcg7wtc6xw/Google-Street-View-Animation-111.jpg?raw=1

If this is what you have, it is possible it's because you enabled a "solarize" special effect in your camera. The only way to un-solarize would be to determine the color curves applied in the effect and apply the inverse curves with something like mt_lut (http://manao4.free.fr/mt_masktools.html#mt_lut). Not easy, and maybe not possible.

wonkey_monkey
6th July 2015, 21:27
Not easy, and maybe not possible.

Not possible, I think. A solarisation curve maps colors in a many-to-1 fashion (two different input levels may map to the same output level), so you can't invert it.

jumpjack
7th July 2015, 12:46
The simplest way to pick color: hover over preview window
How do I activate preview window?

jumpjack
7th July 2015, 12:51
How do I activate preview window?

Ah ok, you talked about the preview window of the plugin, not of virtualdub...

Thanks.