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Shape Indexing by Multi-scale Representation

Image and Vision Computing, 1998
Accessing large image databases requires effective indexing in order to restrict the number of database items that have to be processed. Indexing based on shapes is particularly challenging owing to the difficulty of deriving a similarity measure that supports clustering of shapes conforming with human perceptual similarity.
DEL BIMBO, ALBERTO, PALA, PIETRO
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A Seamless Representation of Multi-scale Clouds

2009 Fifth International Joint Conference on INC, IMS and IDC, 2009
In digital earth based virtual environments representation of clouds from earth scale to small regional scale is characteristic but not addressed yet. Our methods integrate clouds of different scales and achieve seamless switch between them when view position changes. The paper uses an interactive physical based method to calculate density distribution
Jiangbin Xu   +3 more
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