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RITA
2006
302views more  RITA 2006»
13 years 7 months ago
Content-Based Image Retrieval: Theory and Applications
: Advances in data storage and image acquisition technologies have enabled the creation of large image datasets. In this scenario, it is necessary to develop appropriate informatio...
Ricardo da Silva Torres, Alexandre X. Falcã...
MVA
2007
201views Computer Vision» more  MVA 2007»
13 years 9 months ago
A 3D Shape Descriptor Based on Hadamard Transform and Spherical Harmonic Transform
Shape matching plays an important role in many application fields. In this paper, we propose a novel rotation invariant 3D shape descriptor based on Hadamard transform and spheric...
Guyu Xin, Hongbin Zha
CIKM
2005
Springer
14 years 1 months ago
Rotation invariant indexing of shapes and line drawings
We present data representations, distance measures and organizational structures for fast and efficient retrieval of similar shapes in image databases. Using the Hough Transform w...
Michail Vlachos, Zografoula Vagena, Philip S. Yu, ...
TIP
2008
173views more  TIP 2008»
13 years 7 months ago
A Generic Shape/Texture Descriptor Over Multiscale Edge Field: 2-D Walking Ant Histogram
A novel shape descriptor, which can be extracted from the major object edges automatically and used for the multimedia content-based retrieval in multimedia databases, is presented...
Serkan Kiranyaz, M. Ferreira, Moncef Gabbouj
ECCV
1998
Springer
14 years 9 months ago
Projective and Illumination Invariant Representation of Disjoint Shapes
We describe a new projectively invariant representation of disjoint contour groups which is suitable for shape-based retrieval from an image database. It consists of simultaneous ...
Sergei Startchik, Ruggero Milanese, Thierry Pun