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Color Correction


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#1 rushes

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Posted 09 January 2006 - 03:33 PM

Hi, im trying to change the red for blue color. It can be done in Shake with 1 node called color replace and im trying to do it in Fusion. Till now, i done it by:

flowers->cc(isolate red)->cc(turn to blue)->ultrakeyer(blue+invert)

then merge ultrakeyer result with original flower

but seems too many nodes and complicated way to do that

any other way?
also the ultrakeyer works cause i want blue but with any other color? :s

http://img350.images...ower00007of.png

tx!
  • angenrorsJape likes this

#2 dannywar

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Posted 09 January 2006 - 04:43 PM

im only quite new to Fusion, but could you use the channel Booleans tool? this would then allow you to copy the blue channel into the red one. That seemed to work on your test pic. I also copied the red chanel to the blue one.

#3 rushes

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Posted 10 January 2006 - 06:27 AM

Well this works but just for blue... i mean, what if u wanna change it for soft pink?. U dont have accurate color correction on the final color with the channel booleans.

tx!

#4 lw3d

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Posted 10 January 2006 - 06:56 AM

After the loader make one connection with a Chroma keyer and use the chroma mode ... select the red flowers and make the matte

On another brach use color corrector

On the color corrector node add an effect bitmap mask and load the chroma keyer tool and invert it

#5 rushes

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Posted 10 January 2006 - 07:16 AM

yeah it works! its simple than my way but its a little hard for me to get the key of the red color with the chroma keyer, maybe will get best key with primatte but nice way!

tx!

#6 SalaTar

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Posted 10 January 2006 - 08:03 AM

replace color from kkd?(free)
I think hes got a beta for Fu 5

#7 rushes

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Posted 10 January 2006 - 08:21 AM

kkd?

???

#8 slicker

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Posted 10 January 2006 - 10:02 AM

kkd?

???

<{POST_SNAPBACK}>



http://www.komkomdoorn.com/

#9 Sebastian Witkin

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Posted 10 January 2006 - 10:40 AM

In the CC tool, go to Ranges Tab, select Red only and Highlights. Adjust the greyscale image splines to pull the maximum out of the red so in the image you get a kind of matte image. Make sure the Output the range button is on. Once thats done switch back to Result. Go to the correction Tab, press highlights tab and place your mouse over the Red part of the outer circle and swing it around to the clue, see what it does, adjusts the hue on the red.....
below are more options for Tint mode etc. Hope this helps.....hope I didnt miss something......

#10 lw3d

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Posted 26 January 2006 - 03:22 AM

I had no problem selecting the red with the chroma keyer

you can select as many times as you want

#11 tomtm

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Posted 12 April 2006 - 05:58 PM

Hi,

I was asking the same stuff for my last work too.... why is it so complicated to
influence seperate colors .... in Photoshop it's very easy to define a color and change it per
a slider..... why doesn't fusion has this function integrated, when we speak about color correction?

Is there a change in Fusion 5, because I am using still number 4...


Greets Tom

#12 SecondMan

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Posted 13 April 2006 - 04:28 AM

in Photoshop it's very easy to define a color and change it per
a slider..... why doesn't fusion has this function integrated, when we speak about color correction?


According to your post, Photoshop hasn't got it integrated either. Just follow the exact same procedure, define a colour in Fusion (heaps of ways to do that) and then change it per a slider (another pretty vast set of possibilities there)...

Cheers.

#13 robertjackson1

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Posted 13 April 2006 - 12:53 PM

The channel boolean method followed by ultra keyer, then cc may end up with 5 nodes,(with merge + loader) but it gives superb control, & it doesn't really matter what you want for your final colour , as the cc node after the Uky will take care of that

#14 shaily

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Posted 14 April 2006 - 04:51 AM

Attached File  _flower00007of.zip   662.24KB   167 downloads
how hard does that sound

its a quick setup (if only i had enough time!)

shaily.

#15 Pilalitos

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Posted 14 April 2006 - 06:29 AM

Attached File  _flower00007of.zip   662.24KB   167 downloads
how hard does that sound

its a quick setup (if only i had enough time!)

shaily.

<{POST_SNAPBACK}>


Hey Shaily!

Nice little trick. However, i don't understand how is it possible to work in HLS colorspace but in the RED channel.

I tried to replicate it with another Wand tool and HLS gave me only HLS! Is it a F5 bug???

Yours must really be a *magic* wand!




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