Definition
Shape is an important image feature, it is the geometrical information of an object after removing position, scale and rotational effects [3]. A shape is often represented by the contour map extracted from the images. Given a query 2D shape, 2D shape retrieval retrieves a ranked list of similar 2D shapes from a collection of 2D polygonal models (contour points) based on the shape characteristics.
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Chen, L., Zhou, X. (2016). Two-Dimensional Shape Retrieval. In: Liu, L., Özsu, M. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4899-7993-3_3-2
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DOI: https://doi.org/10.1007/978-1-4899-7993-3_3-2
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