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What's New in Photoshop CS4

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Content-Aware Scaling
Content-Aware Scaling
© Sue Chastain
One of the most impressive new features of Photoshop CS4 has got to be the content-aware scaling, which some of you may have heard referred to as "seam carving." Previously, when you scaled images up or down in Photoshop, it would create new pixels or throw them away, with no intelligence as to which areas of the image were most important. Now Photoshop can detect detailed areas of the image and leave those areas untouched when sizing up or down. This is all done automatically, but if you need more precision, it can also be set to protect a selected area of the image.

As you can see from my example, it doesn't always generate flawless results. In this image, there are some problems with reflections and trees, but in many cases it can be a very effective solution to some design problems.

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