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A Beginner’s Guide to Image Sharpening [Image Editing]

12 Giu/09

Ideally all of your digital photos would turn out crisp and clear every time; unfortunately that’s not always the case. For those times they don’t, this beginner’s guide to sharpening your images in Photoshop is a good place to start.

Photoshop pro Helen Bradley goes into depth with Photoshop’s Unsharp mask (this tool is available in other alternative image editors, too, including GIMP) to achieve the digital equivalent of an old darkroom trick:

In the darkroom the process is achieved by taking one negative and a slightly blurred positive image, sandwiching these together and making a very quick exposure of this sandwich. Then the exposure is completed using the negative. The resulting image has sharper and crisper edges than it would have had if the blurry (unsharp) mask image had not been used. The typical sharpening tool used in Photoshop and other graphics programs is named after this traditional darkroom process and is called the Unsharp mask.

We’ve covered this territory once before, but now that everyone’s pulling out their cameras to capture those summer vacation memories, it’s not a bad time for a refresher.

Understanding the basics of Sharpening in Photoshop [Helen Bradley via Lifehacker AU]

Continua a leggere – Original Link: A Beginner’s Guide to Image Sharpening [Image Editing]

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