A vision-based postproduction tool for footage logging, analysis, and annotation

  • Authors:

  • J. W. Mateer;J. A. Robinson

  • Affiliations:

  • Media Engineering, Department of Electronics, University of York, York, UK;Media Engineering, Department of Electronics, University of York, York, UK

  • Venue:
  • Graphical Models - Special issue: Vision and computer graphics
  • Year:
  • 2005

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Abstract

We report a new method for logging and annotating video footage directed towards the needs of professional postproduction and archivist end users. SALSA--Semi-Automated Logging with Semantic Annotation--is a hybrid system that uses automated footage analysis for cut detection and camera movement classification, and a stenographic-like keyboard input system for the logging of higher-level semantic information. Output is presented both in standard printed log form, with the addition of mosaic visual representations of shots, and in a fully searchable database. Experimental comparisons of SALSA with conventional hand analysis show a significant increase in the logger's speed with no reduction in accuracy or semantic detail