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RGB 3-Color Mixing from B&W, Part II

April 5, 2011

I never tried photographing food before.  Obviously.  Unless it’s a bowl of fruit, it’s messy, and a lot more difficult than you’d think.  I just shot this in black and white, three times with three filters (Red, Green, Blue), and then auto-adjusted the levels in Photoshop:

Merged Channels RGB_2 Levels

Here’s Canon’s in-camera color algorithm:


Auto-adjusted by Adobe:


Here are the B&W images:

IMG_6851 Blue


IMG_6852 Green

IMG_6853 Red

And here are the merged RGB channels prior to level adjustment:

Merged Channels RGB_2


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