Capture documents in bitonal, or grayscale then downsample
- by Jason R. Coombs
I'm about to embark on a document archival process. I'm going to spend a lot of good money to archive some paper (actually microfiche) to TIFF images. I have a choice of 300-dpi bitonal (2-bit, black/white) or 300-dpi grayscale (8-bit). Cost is the same for either format.
Data volume (and thus image size) is not a factor.
It seems to me that the…