Difference between revisions of "SUNScholar/Digitisation"

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==[[SUNScholar/Digitisation/Digital Formats|Digital Formats]]==
 
==[[SUNScholar/Digitisation/Digital Formats|Digital Formats]]==
 
==[[SUNScholar/Digitisation/Guidelines for scanners|Guidelines for scanners]]==
 
==[[SUNScholar/Digitisation/Guidelines for scanners|Guidelines for scanners]]==
{| class="wikitable" border="1" style="text-align:center;1px"
 
! 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.
 
 
  
 
  '''[[SUNScholar/IR|Back to IR Help]]'''
 
  '''[[SUNScholar/IR|Back to IR Help]]'''

Revision as of 13:41, 20 March 2012

Objectives

The objective is to create the best possible copy of the original media in a digital format, be it print or old digital storage containers, using digital conversion equipment.

The resultant digital object must adhere to the following:

  1. Use an uncompressed bitstream for storage.
  2. Use open digital formats with no patent liability and which have open published standards.

For more information, see: http://en.wikipedia.org/wiki/Digitizing

Library Policy

Digitisation Equipment and Services

Digital Formats

Guidelines for scanners

Back to IR Help