Real-time Motion Picture Restoration

By Remi J. Gurski

Abstract:

Through age or misuse, motion picture
films can develop damage in the form of
dirt or scratches which detract from the
quality of the film. Removal of these
artifacts is a worthwhile process as it
makes the films more visually attractive
and extends the life of the material. In
this thesis, various methods for
detecting and concealing the effects of
film damage are described. Appropriate
algorithms are selected for
implementation of a system, based on a
TMS320C80 video processor, which can
remove the effects of film defects using
digital processing. The restoration
process operates in real-time at video
frame rates (30 frames per second).
Details of the software implementation
of this system are presented along with
results from processing damaged film
material. The effects of damage are
significantly reduced after processing.

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