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...in this paper, a new 2d shape multiscale triangle-area representation (mtar) is proposed. this representation utilizes a simple geometric principle, the area of a triangle, in obtaining a robust and efficient shape representation. the use of the wavelet...
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...in this paper, a new 2d shape multiscale triangle-area representation (mtar) method is proposed. this representation utilizes a simple geometric principle, tha t is, the area of the triangles formed by the shape boundary points. the wavelet transform...
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...in this paper, a multiscale representation and retrieval method for 2d shapes is introduced. first, the shapes are represented
using the area...wavelet transform (wt) is used for smoothing
and decomposing the shape boundaries into multiscale levels. at each scale level, a triangle-area representation (tar) image
and the corresponding...
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...this paper, a new algorithm for 2d shape characterization is proposed. this method characterizes a planar object using
a triangle-area representation obtained from its closed contour...the local variations of the shape, removing noise
from the contour without missing relevant points. this representation is invariant to affine transformations, and robust against
noise. the performance of...
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...to achieve a good performance for shape classification, it requires both shape representation and classifier. in this paper...contour (fbcc) techniques are presented for 2d shape classification. the representation utilizes the area of triangles at different scale level of...
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...in this paper, the algorithm for 2d shape matching and retrieval is developed...high dimension of the feature representation, the eigen barycenter contour (ebcc) is applied for dimensionality reduction. then, the fisher barycenter contour (fbcc) is used for making discrimination. finally, the similarity...
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...image retrieval system is developed for multiobject images. we model both shape and topology of image objects using a structured representation called curvature tree (ct). the...the image objects. to facilitate shape-based matching, triangle-area representation (tar) of each object is...
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...we describe a numerical method for scale invariant detection of gesture patterns in continuous 2d motions. the algorithm is
fast...
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...object, retrieve similar 3d objects. for visualization, 3d shapes are often represented as a surface, in particular polygonal meshes, for example in vrml format. often...requirements,of content based 3d shape retrieval, such as: (1) shape representation requirements, (2) properties of dissimilarity...
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...a new pde-based methodology for deformable surfaces that is capable of automatically evolving its shape to capture the geometric boundary...we have applied our model for shape reconstruction from volumetric data, unorganized 3d point clouds and multiple view images. the versatility and robustness of our model allow its...