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- W2419538875 abstract "The contour of a shape is a powerful feature that enables its description and subsequent recognition. However, the direct use of a contour introduces redundancy. Many algorithms have been proposed for simplification of a contour while its most outstanding features are maintained. However, several inconveniences can be found in these methods, mainly the need for user interaction to set proper values for the parameters and, in some cases, for each specific contour. The proposed algorithm obtains polygonal approximations of contours and does not have parameters that must be adjusted, which provides the best balance between fidelity and efficiency, and has a modest algorithmic complexity. The method is based on an analysis of the convexity/concavity tree of the contour, and an efficient split/merge strategy is used. The experiments conducted show that the proposed method overcomes the state-of-the-art, using both synthetic data and a broad dataset of real contours." @default.
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- W2419538875 date "2016-08-01" @default.
- W2419538875 modified "2023-09-26" @default.
- W2419538875 title "An efficient unsupervised method for obtaining polygonal approximations of closed digital planar curves" @default.
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- W2419538875 doi "https://doi.org/10.1016/j.jvcir.2016.05.021" @default.
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