Robust Affine Invariant Feature Extraction for Image Matching

@article{Cheng2008RobustAI,
  title={Robust Affine Invariant Feature Extraction for Image Matching},
  author={Liang Cheng and Jianya Gong and Xiaoxia Yang and Chong Fan and Peng Han},
  journal={IEEE Geoscience and Remote Sensing Letters},
  year={2008},
  volume={5},
  pages={246-250}
}
A new approach is presented to extract more robust affine invariant features for image matching. The novelty of our approach is a hierarchical filtering strategy for affine invariant feature detection, which is based on information entropy and spatial dispersion quality constraints. The concept of spatial dispersion quality is introduced to quantify the spatial distribution of features. Moreover, an integrated algorithm combined by the filtering strategy, maximally stable extremal region (MSER… CONTINUE READING
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