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input source material

Page history last edited by PBworks 14 years, 11 months ago

Input source material

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Quality factors

 

Pre-colourisation cleaning

  • Blur/sharpen
  • Brightness/contrast/levels
  • frame size
  • codec issues
  • capture rate - frames per second

 

Restoration software

 

Documents and links

 

A brief discussion with the Senior Preservation Manager at the British Film Institute has been rewarding. The bfi currently uses Digital Betacam as its video preservation format, and 24 bit/48Khz uncompressed WAV for audio. This appears to be the way forward for most archive houses at present. One useful link is prestospace. Prestospace is the agency defining preservation towards storage and access. They are trying to achieve standardised practices for audiovisual contents in Europe. The section on storage is particularly useful.
A technical report of the restoration of 525-line colour videotape footage's chroma data overlaid onto 16mm b/w film print copy to restore 70s Pertwee Dr Who stories.
Appendix to the Guidelines: Getting Digital
One of the problems for rotoscoping software comes with tracking the outlines. A smooth, cleaned, sharp frame is best for tracking areas. The plugin Neat Video will help here in removing grain.
"A new algorithm for shot boundary detection" - a technical paper on how to determine the shot cut point (shot boundary) in video footage.

Layered Depth Images project - a possible solution to determining object boundaries.

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