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    • CAS: Computer Science: Technical Reports
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    •   OpenBU
    • College of Arts and Sciences
    • Computer Science
    • CAS: Computer Science: Technical Reports
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    Color Region Grouping and Shape Recognition with Deformable Models

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    Date Issued
    1997-11-24
    Author(s)
    Liu, Lifeng
    Sclaroff, Stan
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    Permanent Link
    https://hdl.handle.net/2144/1619
    Citation (published version)
    Liu, Lifeng; Sclaroff, Stan. "Color Region Grouping and Shape Recognition with Deformable Models", Technical Report BUCS-1997-019, Computer Science Department, Boston University, November 24, 1997. [Available from: http://hdl.handle.net/2144/1619]
    Abstract
    A new deformable shape-based method for color region segmentation is described. The method includes two stages: over-segmentation using a traditional color region segmentation algorithm, followed by deformable model-based region merging via grouping and hypothesis selection. During the second stage, region merging and object identification are executed simultaneously. A statistical shape model is used to estimate the likelihood of region groupings and model hypotheses. The prior distribution on deformation parameters is precomputed using principal component analysis over a training set of region groupings. Once trained, the system autonomously segments deformed shapes from the background, while not merging them with similarly colored adjacent objects. Furthermore, the recovered parametric shape model can be used directly in object recognition and comparison. Experiments in segmentation and image retrieval are reported.
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    • CAS: Computer Science: Technical Reports [586]


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