7 search results - page 1 / 2 » Spherical Harmonics Descriptor for 2D-Image Retrieval |
ICMCS
2005
IEEE
13 years 10 months ago
2005
IEEE
In this paper, spherical harmonics are proposed as shape descriptors for 2d images. We introduce the concept of connectivity; 2d images are decomposed using connectivity which is ...
MVA
2007
13 years 6 months ago
2007
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...
SMI
2006
IEEE
13 years 10 months ago
2006
IEEE
The description of 3D shapes with features that possess descriptive power and invariant under similarity transformations is one of the most challenging issues in content based 3D ...
3DOR
2008
13 years 7 months ago
2008
We present a novel 3D object retrieval method that relies upon a hybrid descriptor which is composed of 2D features based on depth buffers and 3D features based on spherical harmo...
CAD
2006
Springer
13 years 4 months ago
2006
Springer
A large amount of 2D drawings have been produced in engineering fields. To reuse and share the available drawings efficiently, we propose two methods in this paper, namely 2.5D sp...