Thatās actually not wrong. For example, you want to remove the green cast from the womanās face and clothes. Logically, you would like to use the green channel to reduce the green values.
The nice thing about the channel mixer is that you can not only influence the values of the single color channels themselves, but you can also use the different ratios of all three channels to influence the values of the single color channel.
So, in the second step, you then consider which color channel dominates in the face and clothes. This is the red channel.
And precisely because the red channel dominates there, the reduction will also bestrongest there if you use for reduction the color ratio of the red channel instead of the color ratio of the green itself:
Hi, thanks =) Iāve watched your very informative video on youtube about the channel mixer.
I think I understand how it works, but when I want to apply it on a photo, my brain seems to melt
I referred to these because you mentioned you were after āa look & feel more or less resembling analogā, but I see what youāre saying. I dontāt see the LUT as a replacement for other color corrections, but rather a way to create a shared boundary for a series of images to contribute to visual consistency.
Nothing too sophisticated, but gets the job done for me in an elegant way (as I see it )
First instance - for white balancing. But to be honest, most of the time it is set to As shot in camera, and in camera Iāve got white balance fixed to Fine / Daylight.
Second instance as shown in the screenshots below:
May I ask, @s7habo, if you (or anybody else) can think of a clever way to recreate the functionality of the color look up table module (works in LAB) using the āspot color mappingā or ācalibrate with a color checkerā feature of the color calibration module?
Iād like to map multiple colors to other colors in order to roughly recreate my favorite LUTs without using the LUT 3D module.
This is something very technical and I am the wrong address for it.
For my needs I use multiple instances of the color balance module by masking the corresponding color with hue parametric mask and then shifting the values with hue shift slider.
I think for now CLUT might be enough until you have a more elegant solutionā¦ maybe just drag it into display space after filmic or sigmoid and see what you can achieve ??
Thanks. Yeah, thatās what I use now (after sigmoid). Iād be happy not to forever rely on an external cube file to have the file render like it should, though.
Many ICC files are basically a lut or at least part lut and they are in common use so for some they are relying on one all the time to get at least the starting look Also one of the ānewā features I think in the new Lumix S5II is a series of in camera luts that can be applied. If you have a lut that works and gives you what you need I donāt think its such a bad thing??
Adobeās dcp files have a look table again imparting a color adjustment out of the gate so if your lut gets you what you need I think its an efficient way to edit ā¦
Great video on that topic. As I expected from you - many useful hints for such lighting situations. Thank you very much, Boris! Itās always a pleasure to learn from you
But I have a shy/timid request/ask/supplication/petition (I donāt know which word is better for this situation).
IMHO in situation like this ā go straight to the point of the matter.
Without any basic/starting adjustments (which should be allready applyied).
You should assume, spectators have some basic knowledge.
From this video I found out about the letter C and that the individual channel tabs connect.
And this is great.
It gets even more complex when you invert some of the channels and also use inclusive vs exclusiveā¦eventually you can follow all these combinations to achieve the desired result but it can take a moment to get it strait in your headā¦
IMHO in situation like this ā go straight to the point of the matter.
I should express my disagreement here. Seeing the entire process seems to me quite crucial, for example for orientation and to see the process of decision-making. Iām also sure that otherwise many questions would follow in the style of: how did we get such and such an effectā¦
)
Perhaps Iāll create a separate thread for it.
