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Photoshop CS4: Sharpening Images New Features

Photoshop CS4: Sharpening Images New Features

with Deke McClelland

Video: Welcome

Hello and welcome to Photoshop CS4 Sharpening Images New Features. For those who don't know, Sharpening is the art of increasing and sometimes even reducing edge contrast to create the appearance of an image that is more detailed, better defined and ultimately, better looking than it was before. Sharpening relies on a handful of filters, namely Unsharp Mask, Smart Sharpen, High Pass and Reduce Noise, combined with Smart Objects, Edge Masks Camera Raw and more.

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Photoshop CS4: Sharpening Images New Features
58m 40s Intermediate Sep 25, 2009

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Photoshop CS4 New Features: Sharpening Images explores the changes to CS4's image-sharpening tools. As a companion to Deke McClelland's Photoshop CS3 Sharpening Images, this short course teaches the new features for sharpening in CS4, focusing on the OpenGL support. OpenGL allows the user to preview an image at the size it will print, rather than waiting on output. For more information on sharpening after this course, continue with Photoshop CS3 Sharpening Images. Exercise files accompany this course.

Subjects:
Design Photography Sharpening
Software:
Photoshop
Author:
Deke McClelland

Welcome

Hello and welcome to Photoshop CS4 Sharpening Images New Features. For those who don't know, Sharpening is the art of increasing and sometimes even reducing edge contrast to create the appearance of an image that is more detailed, better defined and ultimately, better looking than it was before. Sharpening relies on a handful of filters, namely Unsharp Mask, Smart Sharpen, High Pass and Reduce Noise, combined with Smart Objects, Edge Masks Camera Raw and more.

Now it may seem odd that I am teaching a New Feature series, given that the act of sharpening images in Photoshop has not changed at all from Photoshop CS3, for which I have an entire Sharpening Images series, to CS4. What has changed is Photoshop's ability to preview the sharpness of an image on screen. In Photoshop CS3, zooming an image to the size at which it will actually print produces jagged transitions. The image appears significantly sharper than it will print, thus what you see is not what you get.

Thanks to Photoshop CS4's support for OpenGL, an industry-standard rendering technology built into most video cards, this problem is largely resolved. Now what you see is much closer to what you get. Okay, so those are the broad strokes. If you're interested in sharpening an image in Photoshop CS4, and you are because every image requires sharpening, then watch these videos. Then be sure to watch the final video in which I tell you where to go to learn everything you need to know about sharpening images in Photoshop.

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