Cropping and Straightening Photos Automatically

If you do a lot of scanning and find that your images are crooked when brought into Photoshop, you can automatically straighten the image and simultaneously delete the excess background around the image. To use the feature, after bringing the image into Photoshop, choose File ^ Automate ^ Crop and Straighten Photos. Your scanned image will be straightened, excess space trimmed, and a copy produced, ready for you to save to disk, leaving the original untouched (Figure 11-5).

The feature is really designed to produce single documents from multiple photos that have been scanned in one pass, but it can be employed to straighten single scans just as successfully.

Figure 11-4: The Trim command can be used to crop an image based on color or transparency.

NOTE For the feature to work properly, the photos must have a contrasting edge to the background and the background must be noise free. Bear in mind that whenever an image is rotated, unless it's rotated by 90 degrees exactly, the image will be interpolated and some quality loss might occur. So, try to avoid using the feature altogether if you can by scanning the photos one at a time and making sure that the photos are straight to begin with.

Figure 11-5: A photo straightened and cropped using the auto Crop and Straighten Photos command.
Learn Photoshop Now

Learn Photoshop Now

This first volume will guide you through the basics of Photoshop. Well start at the beginning and slowly be working our way through to the more advanced stuff but dont worry its all aimed at the total newbie.

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