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Adobe Photoshop CS6 Essentials by Scott Onstott

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Chapter 3

Digital Imaging Fundamentals

My experience with teaching people who already have a good working knowledge of Photoshop has been that they are often confused by fundamental digital imaging concepts. How is color represented in channels? What is aliasing? What does bit depth really mean? What is the relationship between canvas size, image size, and resolution? Should I use RGB, CMYK, or Lab color? No matter whether you are an absolute beginner or already have some Photoshop experience, this chapter will answer all of these pressing questions and many more.

  • Working with pixels
  • Understanding color
  • Storing data
  • Setting document size and resolution

Working with Pixels

After many years of working with digital images, I still marvel at the ...

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