An Improved Approximation Bound for Spanning Star Forest and Color Saving.
Stavros AthanassopoulosIoannis CaragiannisChristos KaklamanisMaria KyropoulouPublished in: MFCS (2009)
Keyphrases
- error bounds
- color images
- worst case
- approximation algorithms
- lower bound
- upper bound
- color segmentation
- color features
- color information
- posterior marginals
- image indexing and retrieval
- color space
- relative error
- color model
- approximation error
- color histogram
- image regions
- outdoor scenes
- color correction
- approximation methods
- gradient information
- constant factor
- learning algorithm
- linear functions
- data sets