Morphological Shape Context: Semi-locality and Robust Matching in Shape Recognition

Authors:
Mariano Tepper;Francisco Gómez;Pablo Musé;Andrés Almansa;Marta Mejail
Affiliations:
Universidad de Buenos Aires, Argentina;Universidad de Buenos Aires, Argentina;Universidad de la República, Uruguay;Telecom ParisTech, France;Universidad de Buenos Aires, Argentina
Venue:
CIARP '09 Proceedings of the 14th Iberoamerican Conference on Pattern Recognition: Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications
Year:
2009

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Abstract

We present a novel shape recognition method based on an algorithm to detect contrasted level lines for extraction, on Shape Context for encoding and on an a contrario approach for matching. The contributions naturally lead to a semi-local Shape Context. Results show that this method is able to work in contexts where Shape Context cannot, such as content-based video retrieval.