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Scanning in Grayscale

It's essential that you scan in Grayscale mode to take advantage of the techniques covered in this chapter. If you scan in Bitmap mode (line art or 1-bit), you can't do much of anything to improve your image. In Grayscale mode, however, you can sharpen, adjust the black/white threshold to control line widths, and increase your effective line art resolution; each of these techniques helps create a beautiful reproduction.

So avoid the temptation to scan line art as line art, and scan it as grayscale instead. Sure, your files are eight times as large, but it's only temporary. You can convert them to Bitmap mode when you're done with your manipulations. And the quality difference with these techniques is like the difference between…well…black and white.


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