Imaging Standards
Contents |
General Guidelines
Image files are saved as TIFFs, in 24 bit color, captured at or near 100% of the original size of the item.
Resolution
Shortest side equal to or greater then 1450 pixels
These files are suitable for full-size, full-color publication. Higher resolution scans are available upon request. Standards may vary to suit the particular needs of a collection.
LIS flatbed scanners
| Format | Bit Depth | Resolution |
| Text (manuscript, typescript, etc.) | 24 bit color | 300 dpi |
| Artwork | 24 bit color | 600 dpi |
| Rare books | 24 bit color | 600 dpi |
| Maps | 24 bit color | 600 dpi |
| Photographs/Prints |
24 bit color | 600 dpi |
| Slides (positives and negatives) | 24 bit color |
35 mm 2800 dpi |
Bookeye Color Scanner (a.k.a ILL Orbital Scanner)
| File Format | Bit Depth | Resolution |
| TIFF, JPEG | 8 bit color | 300 dpi |
Related scanning links
Scanning negatives with the Nikon Scanners
Using the Scanners from Public Computer Labs
Scanning and OCR using Adobe Acrobat Professional 9 on Mac and PC
Resources
Our general imaging standards are based on community best practices acrossthe library and museum world. Some of the institutions that provided us with guidance are listed below:
California Digital Library Guidelines
Harvard University Library Digital Projects Guide
National Archives and Records Administration (NARA) Guidelines
Beinecke Rare Book & Manuscript Library, Yale University
University of Vermont Center for Digital Initiatives Imaging Standards
- This page was last modified on 27 January 2012, at 12:35.
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