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Adobe Photoshop Tutorials - Color Space

Photo Restoration of Black and White Scans

Photoshop Video Tutorial: Advanced Selecting Hair

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The artificial lighting learning curve for most photographers starts with a built-in flash or external flash mounted above the viewfinder. The photographs they take with a single flash look flat and boring because they lack shadows to create the illusion of depth or look unflattering due to the position of the shadows to the side of the head and nose.

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Alpha channels are basically specialized selection processes. Alpha channels are used to make, store or edit selections made using tools such as Lasso, Magic wand or Pen tool.

Alpha channel is another type of image masking. When we say mask, it is an 8-bit channel using 256 levels of Gray, ranging from 0(black) to 255(white). With that being said, alpha channel is a masking technique which defines a selection in black, white, and varying shades of Gray pixels. White acts as the selected pixels; black acts as the unselected area and the levels of Gray define what is partially unselected or selected depending on your view point.

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This Photoshop tutorial is written for experienced Photoshop users and will show you unique techniques for retouching photos. You’ll learn how to enhance backgrounds, dodge and burn, brighten eyes, and add hair shine while keeping a low count of layers. The techniques you learn from this tutorial can be used for other portrait photos.

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Ideally, 14-bit RAW files contain 4 times more information than 12-bit RAW files in the shadows. Realistically the gain may be limited somewhat by noise, but the noise levels also improved, leaving us with more bits to use. This much dynamic range just begs being made visible.

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"First, open an image that needs some work. Now make a copy of your background layer by dragging its layer thumbnail from the Layers palette to the New Layer icon at the bottom of the Layers palette. Since Shadow/Highlight doesn't work as an adjustment layer, having a copy will let you put some of the original back later if you find you prefer it. All your adjustments will be done to the copied layer. You can ignore the original background layer for now."

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Digital photography requires a solid workflow, allowing for professional preparing of digital photo files for the web and print. For the Digital Photography Workflow series, we consulted with a number of experienced professional photographers who are also stellar photo.net members and frequent contributors to the Photo.net Digital Darkroom forum, to walk us through their specific photography techniques and tips on post-processing images.

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Photoshop Video Tutorial : Learn the Basics of Curves