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In this paper, we proposed a new affine invariant region-based shape descriptor, the ICA Zernike Moment Shape Descriptor (ICAZMSD). Independent Component Analysis (ICA) is first used to turn the original shape into a canonical form, in which the effects of scaling and skewing are eliminated. Next, the properties of the Zernike transform is used to further eliminate the effects of any possible rotation...
In this paper, we introduce the Principal Component Analysis (PCA)-whitening Curvature Scale Space (CSS) affine-invariant shape descriptor, which extends the CSS shape descriptor to an affine invariant shape descriptor. PCA-whitening is applied to transform the shape contours into their canonical forms. The CSS image maxima are then extracted from those canonical contours as shape descriptors, which...
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