Abstract
Descriptors based on orientation histograms are widely used in computer vision. The spatial pooling involved in these representations provides important invariance properties, yet it is also responsible for the loss of important details. In this paper, we suggest a way to preserve the details described by the local curvature. We propose a descriptor that comprises the direction and magnitude of curvature and naturally expands classical orientation histograms like SIFT and HOG. We demonstrate the general benefit of the expansion exemplarily for image classification, object detection, and descriptor matching.
Supported by a scholarship of the Deutsche Telekom Stiftung.
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The work was partially funded by the ERC Starting Grant VideoLearn.
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Fischer, P., Brox, T. (2014). Image Descriptors Based on Curvature Histograms. In: Jiang, X., Hornegger, J., Koch, R. (eds) Pattern Recognition. GCPR 2014. Lecture Notes in Computer Science(), vol 8753. Springer, Cham. https://doi.org/10.1007/978-3-319-11752-2_19
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DOI: https://doi.org/10.1007/978-3-319-11752-2_19
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