- When scanning using the flatbed scanners. you can increase
your chances of getting an excellent quality image by following
these tips.
- Enlarge the image to the size that you intend to use it. For
instance, if I know that I want to use a photograph that is
3" x 5" on a poster which is 2'x 4', then increase the scale
on the scanning settings. Increase the scale so that the final
image size is close to the final image size that you want. This
effects image quality because if you do any kind of resizing
in MS Word, PhotoShop, or PageMaker, you will be trying to use
the same number of pixels over a larger image area and you images
will appear grainy.
- The above tip is especially important when using the slide scanner, because of the size of the original, the image must be magnified or enlarged to as close to the size as it is ultimately going to be used at to ensure a quality final image.
- Increase the scanning DPI or resolution (dots per inch). Increasing the resolution will give you more data for your scanned image. If you were to print an image that you scanned at 36 DPI, and print the same image scanned at 72 DPI to the same printer, there would be a dramatically improved image quality.
- Enlarge the image to the size that you intend to use it. For
instance, if I know that I want to use a photograph that is
3" x 5" on a poster which is 2'x 4', then increase the scale
on the scanning settings. Increase the scale so that the final
image size is close to the final image size that you want. This
effects image quality because if you do any kind of resizing
in MS Word, PhotoShop, or PageMaker, you will be trying to use
the same number of pixels over a larger image area and you images
will appear grainy.
- In order to get a great quality image, you do not have
to scan the image at 600DPI.
- Scanning an image at this DPI, not only wastes disk space by creating rather large image files, but also will cause problems for you if you try and work with one or two of these images are once or in the same document.
- If you want to increase your quality, you typically do not have to scan images any greater than 200 DPI.
- Do not use any of the color, brightness, contrast, or
other image quality tools when scanning.
- Any color correction, or image quality changes should be done in PhotoShop or Image Composer. It is better to have a good original to work from when trying to correct color, brightness, or contrast problems.
Small format scanning tips and tricks
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August 8, 2008