October 2016

How much Resolution or DPI , Really?

A few scanning tips by Jain Software Foundation What scanning resolution should we really use? The scanner can only scan each horizontal scan line at its optical resolution, like 600 dpi or 1200 dpi, however the scanner is rated. To achieve our desired final size, say 175 dpi, this image must be resampled, from say 1200 dpi to 175 dpi. How to best do this? Some people claim that we should scan at full optical resolution and resample to the…