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Improving video segmentation algorithms by detection of and adaption to altered illumination

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Author

Summary, in English

Changing illumination constitutes a serious challenge for video segmentation

algorithms, especially in outdoor scenes under cloudy conditions.

Rapid illumination changes, e.g. caused by varying cloud cover,

often cause existing segmentation algorithms to erroneously classify

large parts of the image as foreground.

Here a method that extends existing segmentation algorithms by

detecting illumination changes using a CUSUM detector and adjusting

the background model to conform with the new illumination is

presented. The method is shown to work for two segmentation algorithms,

and it is indicated how the method could be extended to other

algorithms.

Publishing year

2008

Language

English

Publication/Series

Preprints in Mathematical Sciences

Volume

2008:9

Document type

Journal article

Publisher

Lund University

Topic

  • Mathematics
  • Probability Theory and Statistics

Status

Unpublished

ISBN/ISSN/Other

  • ISSN: 1403-9338
  • LUTFMS-5075-2008