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» Representation and Self-Similarity of Shapes
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ICIP
2001
IEEE
15 years 11 months ago
Efficient feature extraction for 2D/3D objects in mesh representation
Meshes are dominantly used to represent 3D models as they fit well with graphics rendering hardware. Features such as volume, moments, and Fourier transform coefficients need to b...
Cha Zhang, Tsuhan Chen
ICDAR
2003
IEEE
15 years 3 months ago
Radon Transform for Lineal Symbol Representation
Content-based retrieval and recognition of graphic images requires good models for symbol representation, able to identify those features providing the most relevant information a...
Oriol Ramos Terrades, Ernest Valveny
CVPR
2003
IEEE
15 years 12 months ago
A Sparse Texture Representation Using Affine-Invariant Regions
This paper introduces a texture representation suitable for recognizing images of textured surfaces under a wide range of transformations, including viewpoint changes and nonrigid...
Svetlana Lazebnik, Cordelia Schmid, Jean Ponce
ISMAR
2003
IEEE
15 years 3 months ago
The Effects of Shadow Representation of Virtual Objects in Augmented Reality
In this paper, we describe the effects of shadow representation of virtual objects in Augmented Reality. Optical consistency is important in order to create realistic augmented re...
Natsuki Sugano, Hirokazu Kato, Keihachiro Tachiban...
ICDAR
1995
IEEE
15 years 1 months ago
Representation and classification of complex-shaped printed regions using white tiles
There is an increasingly pressing need to develop document analysis methods that are able to cope with images of documents containing printed regions of complex shapes. Contrary t...
Apostolos Antonacopoulos, R. T. Ritchings