From the course: Photoshop CS5 One-on-One: Advanced

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Color vs. luminance noise

Color vs. luminance noise - Photoshop Tutorial

From the course: Photoshop CS5 One-on-One: Advanced

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Color vs. luminance noise

The topic of this chapter is smooth and surface, and the idea is that there're certain kinds of surface details, such as digital noise, for example, that you need to smooth away inside of an image, there's other times that you might want to enhance or add surface details. We're going to see how this works with this butterfly right here. Go figure, I'm obviously something of a frustrated nature photographer. I especially like the idea of macro photography, where you can take these delicate small creatures and blow them up, that is make them larger, not explode them, here inside Photoshop. The name of this image is Long feelers.jpg. It's found inside the 16_smooth folder. This image contains all kinds of noise. We've got color noise. We've got luminance noise inside the shadows. I'll explain the differences between those kinds of noise in just a moment. We also have all kinds of wandering colors and exaggerated saturation levels inside the shadow details as well. That kind of stuff is…

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