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Rona Gales
August 12, 2011 at 2:28 pm in reply to: LAB color space equivalent in AE?

Also you may find it hard to go back to the original PSD after you’ve made changes in AE. The AE changes don’t carry over to PS… You may end up going back and forth and second guessing the new changes….

And you need to RE-save the PSD file before you can reload the footage in AE.

The God Of Color Of The Universe Will Rise Again!
Rona Gales
August 12, 2011 at 1:47 pm in reply to: LAB color space equivalent in AE?

YUV is not exactly the same as LAB but Y/L it is very close….

You are converting back to RGB and “merging the layers” automatically with After Effects when you import the PSD files if the color mode is not RGB….even if command E get you back to LAB mode in Photoshop.

Yes we all do round trip to Photoshop too but keep in mind that some effects and plugins don’t carry over After Effects. Then it’s render time:)

The God Of Color Of The Universe Will Rise Again!
Rona Gales
August 12, 2011 at 2:29 am in reply to: LAB color space equivalent in AE?

With “Luminance blending mode” you are affecting the color slightly and not with Y/ L

If you adjust the Y curve only with:
CC composite RGB to YUV
Y=R curve only
CC composite YUV to RGB
You will get softer highlights and better color reproduction.

If you adjust RGB curve only with:
RGB curve only (not the R curve, G curve and the B curve )
Luminosity blending mode
You will get harsher highlights, slight lost of saturation and sometime a slight hue change too. You should do some test with skin tone for example….

The God Of Color Of The Universe Will Rise Again!
Rona Gales
August 12, 2011 at 12:20 am in reply to: LAB color space equivalent in AE?

I don’t have the “ramp problem” on my system!! Good luck to you and Adobe

Adjusting Curves effect in YUV is not the same as adjusting Curves effect with luminance blending mode. The weight of the color in YUV is different and you get softer whites and a lot better color reproduction.

The God Of Color Of The Universe Will Rise Again!
Rona Gales
August 11, 2011 at 11:22 pm in reply to: LAB color space equivalent in AE?

I will suggest you to contact Adobe with your ramp problem.

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Do you not read “filter effects”? Luminance blending mode is not the same as Y in YUV

The God Of Color Of The Universe Will Rise Again!
Rona Gales
August 11, 2011 at 9:37 pm in reply to: LAB color space equivalent in AE?

You’re probably not using HDR Compander the right way!
Also you’re not understanding the need and use of LAB/YUV color mode properly.

The God Of Color Of The Universe Will Rise Again!
Rona Gales
August 11, 2011 at 6:35 pm in reply to: LAB color space equivalent in AE?

With compression and uncompression you can lose some precision in values that you can’t see 95% of the time.
Maybe you want to start another thread!

The God Of Color Of The Universe Will Rise Again!
Rona Gales
August 11, 2011 at 6:33 pm in reply to: Adding NEW layer – making it the same size and position as previous layer…

wrong place
Rona Gales
August 11, 2011 at 4:49 pm in reply to: LAB color space equivalent in AE?

cc composite CS5 has a bug… Color blending and Luminosity blending are flipped

The God Of Color Of The Universe Will Rise Again!
Rona Gales
August 11, 2011 at 4:36 pm in reply to: LAB color space equivalent in AE?

channel combiner1 set RGB to YUV
Effects
Channel combiner2 set YUV to RGB

Curves Effects
RGB= don’t use
Red= lightness
Green=a
Blue=b

The God Of Color Of The Universe Will Rise Again!

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