Difference between revisions of "SUNScholar/Digitisation/Guidelines for scanners"
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| + | '''[[SUNScholar/Digitisation|Back to Digitisation]]''' | ||
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{| class="wikitable" border="1" style="text-align:center;1px" | {| class="wikitable" border="1" style="text-align:center;1px" | ||
! Media type !! Resolution !! Bit depth !! Enhancements Allowed | ! Media type !! Resolution !! Bit depth !! Enhancements Allowed | ||
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* Document provenance metadata: | * Document provenance metadata: | ||
** dc.description.provenance e.g. Original scanned in at 600 dpi, 100% DigiBook 10000 RGB colour, downsized to 840 pixels in width, resolution 250. Web version done automatically by PhotoShop 7 software. Downloading time approx. 26 seconds. Date done March - April 2007. | ** dc.description.provenance e.g. Original scanned in at 600 dpi, 100% DigiBook 10000 RGB colour, downsized to 840 pixels in width, resolution 250. Web version done automatically by PhotoShop 7 software. Downloading time approx. 26 seconds. Date done March - April 2007. | ||
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Latest revision as of 16:50, 2 August 2015
Back to Digitisation
| Media type | Resolution | Bit depth | Enhancements Allowed |
|---|---|---|---|
| Printed text | 300 dpi | Bitonal | Sharpening, descreening, cropping, deskewing, despeckling |
| Rare/ damaged printed text | 400 dpi | 8-gray or 24 colour | Contrast stretching; Minimal adjustments for tone and colour |
| Book illustrations | 400 - 600 dpi with enhancement | 8-gray or 24 colour; Bitonal | Contrast stretching; Minimal adjustments for tone and colour; Descreen/ rescreen, sharpen |
| Manuscripts | 300 - 500 dpi with enhancement | 8-gray or 24 colour | Contrast stretching; Minimal adjustments for tone and colour |
| Maps and other oversized items | 300 - 400 dpi | 8-gray or 24 colour | Contrast stretching; Minimal adjustments for tone and colour |
| Graphic Art | 400 - 600 dpi | 8-bit/ channel internal reduction | Contrast stretching; Minimal adjustments for tone and colour |
- Please note
- All archival material to be digitised in tiff format
- Tiff copy together with derivated png or any additional copies to be submitted to SUNScholar
- Document provenance metadata:
- dc.description.provenance e.g. Original scanned in at 600 dpi, 100% DigiBook 10000 RGB colour, downsized to 840 pixels in width, resolution 250. Web version done automatically by PhotoShop 7 software. Downloading time approx. 26 seconds. Date done March - April 2007.
