How to get a good scan

Article Abstract:

Creating a quality scan requires knowledge about how scanning works. It is important to use the sharpest original image available. Photographs with a broad, even distribution of gray values scan the clearest. The format of the original affects the scan's quality; black-and-white prints or slides generally produce the best images. A 4-bit scanner which reads only 16 shades of gray can handle line art or scans that will be produced on a laser printer, but a 6-bit scanner reading 64 grays or an 8-bit scanner capable of capturing 256 levels of gray do a much finer job with a photograph. There is a formula used to determine appropriate scanning resolution: screen ruling (lines per inch) multiplied by 1.25 multiplied by final size divided by original size. After having successfully scanned and adjusted the photograph, the file must be saved in a TIFF, EPS or similar file format.

Desktop publishing software, Scanning, Guidelines, Image Generation, Storage management (Computer disks), High Resolution, DTP Software, Disk Space Utilization

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Image booster: Enhance

Article Abstract:

Enhance is a $375 gray-scale image editing package from MicroFrontier that offers more features than any other photo retouching package currently available for the Macintosh. Among the most outstanding of these features is the ability to colorize a black-and-white image in any of the major file formats, a function initially developed for medical imaging. The package earns 4.5 of a possible five stars.

Prepackaged software, Product information, Graphics software, Color, Evaluation, Software Packages, Image Enhancement, MicroFrontier Inc., Enhance (Utility program)

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