Building and Preserving a Photographic Image Collection at the Canadian Museum of Civilization (CMC) Presented by: Louise Renaud Halifax June 8, 2010
Photographic Collection Overview
Digitization Initiatives Digitization History 1985 early 1990 s: Videodisc project 1994 2001: Partnership with Kodak: PCD scans 2002 2003: Supplier: PCD and TIFF images. 2003 2010: Develop CMC digital standards 2004 2010: Supplier: TIFF images & shared server 3D Artifact Photography 1996 1997: Hymarc: CMC Exhibit live 3D scans of 118 models on display 2008 2010: Archaeology artifact scans
Early Digital Samples
Early File Naming Samples 3320-2131-4534-D2003-21533.base.jpg 6236-3052-2872-048.base.jpg 8020-103RA-16394-IMG2008-0261-0019-Dp1.JPG IMG001.pcd S97-123.tif 3246-2112-0650-MN_1684b.base+4.jpg Blue dress.jpg
Early Photo File Requirements Overall File Formats - Photos File Sizes PCD GIF, Bitmap RAW, NEF, etc. JPEG PSD TIFF Specific dimensions to ensure Web access Specific Kodak resolutions Image Documentation Basic ID numbers
LESSONS LEARNED and PRESERVATION INITIATIVES
IMPROVED DIGITIZATION PROCEDURES
Improved Digitization Requirements Improved Set-up Recruit knowledgeable staff Standardized software & hardware Improved viewing conditions & environment Scheduled monthly monitor calibration Improved Quality Control Original document/photo review Standardized acceptable dust removal levels Standardized validation measures Set clear expectations
Current Digitization Standards Guidelines to Digitize: Text document scan Photographic document scan Artifact registration photography Based on CMC Collection Bilingual Publication On-line Reference Tool
IMPROVED FILE NAMING PROCEDURES
Current File Naming Standards IMG 2008 0001 0001-S Identifies the number as originating from the Photo collection. Year of acquisition Acquisition number identifies the specific acquisition lot from this year. This is the 1st acquisition of 2008. Identifies individual items within that particular acquisition lot. IMG2008-0001-0001-D for digital photos, documents, or PDFs IMG2008-0001-0001-S for 35 mm slides IMG2008-0001-0001-K for colour negatives IMG2008-0001-0001-T for transparencies IMG2008-0001-0001-N for b&w negatives IMG2008-0001-0001-G for glass negatives IMG2008-0001-0001-L for lantern slides IMG2008-0001-0001-P for photographic prints m Master file IMG2008-0001-0001-Dm.tif p Processed file IMG2008-0001-0001-Dp.tif a) portion of larger image (detail) b) altered image for specific use c) version ID IMG2008-0001-0001-Dp1.tif IMG2008-0001-0001-Dp2.tif
STANDARDIZING FILE FORMATS
Current File Format Status Current CMC Image File Requirements Format: TIFF Size: 3000 x 2400 pixels /6000 X 4800 pixels Colour space: Adobe RGB 98; Grey Gamma 2.2 Not Recommended RAW (ex: nef, crw, etc.) Proprietary formats (ex: pcd, psd, etc.) Monitoring Format Development Jpeg 2000 (JP2) PDF/A versions 1B and 2
Current Migration Status Migrated 49 Videodisc with analog still frame images onto 124 Photo-CDs with digital bitmap images Migrated 342,080 Kodak images (stored on 4,925 Photo CDs) From PCD to TIFF format From YCC to Adobe RGB 98 colour space From CDs to LTO-1 tapes Migrating all current archived Jpegs into TIFF format
Migrating JPEGs Because
STANDARDIZING OPTICAL DISKS STORAGE PROCEDURES
Archival Storage Environment CMC current storage is: On optical supports On CDs rather than DVDs Monitored for stability Stored in jewel cases and secured cabinets Optimized CD archival capability by: Engraving CD at lowest speed Using Gold CD (MAM-A) Using CD-R only Confirming/validating data transfer Labelling CD with water-based ink marker Including thumbnail views on CD cover
PRESERVATION PRACTICES
Practices 1. Technology Watch Monitor development in IT field Monitor consumer trends Monitor formats evolution Ex: Further integration of Jpeg 2000 in the market 2. Conservative Management Approach Not in «forefront»/not behind either Plan for timely migration...
Practices (cont d) 3. Digital Monitoring Implement watermark use Encapsulate rights information Ongoing discussions with IT Department 4. Network Attend meeting/conferences Monitor and participate in discussions within the IT/Archives communities (Ex: blogs, wikis, etc.) Establish an exchange/discussion network
Example of Networking DDG - GDN Digitization Discussion Group - Groupe de discussion sur la numérisation
Network Evolution 1st Meeting CMC invitation May 25, 2004 8 participants from 6 institutions Current Meetings Status Quarterly basis 113 members from 28 institutions in the National Capital Region Average attendance per meeting : 21 members from10 institutions Next meeting (no. 26) - Sept. 29th, 2010
Discussion Topics Initial focus File formats File naming Colour management Cataloguing practices Recent focus Digital collection management Copyright DAMS (Storage and software) File Preservation Etc.
Network Evolution Group in Action
PRESERVATION FUTURE AT CMC
Preservation Challenges In the wake of having a dedicated server and data management software, we are in the process of: Centralizing scattered data Standardizing record entries Deleting duplicates & performing data scrub The retention schedule is being revamped at the: Software level for deletion/archiving Staff level for awareness, transfer and buy-in We are aiming for OAIS compliance: Putting in place processes toward reaching this goal
Work in Progress CMC s approach is evolving and we strive to reinforce long-term digital preservation. We are establishing digital landmarks and facing interesting challenges.
Useful References Digital Preservation Management Implementing Shortterm strategies for Long term problems. Cornell University: http://www.icpsr.umich.edu/dpm/dpm-eng/eng_index.html Digitization Standards at the Canadian Museum of Civilization Corporation: http://www.pro.rcip-chin.gc.ca/sommairesummary/normes_numerisation-digitization_standards-eng.jsp Paper copy available at: http://store02.prostores.com/servlet/cyberboutique/the- 1801/DIGITIZATION-STANDARDS-NUM%C3%89RISATION- NORMES/Detail?tsetlock=English_Version
Any Questions?
CMC s Leitmotivs Digital information lasts forever or 5 years whichever comes first. Jeff Rothenberg - RAND To ensure that our future has a memory and that our memory has a future. Dr. Luciana Duranti - InterPARES Project
Thank you. Louise Renaud Manager, Photos and Copyright Library, Archives and Documentation Services Canadian Museum of Civilization Tel: (819) 776-8237 Fax: (819) 776-8491 louise.renaud@civilization.ca