39 search results - page 4 / 8 » Compressing 2-D Shapes Using Concavity Trees |
VRST
2004
ACM
15 years 3 months ago
2004
ACM
In this paper we present an interactive collision detection algorithm for complex and deformable objects. For two target models, our approach rapidly calculates their region of in...
CAIP
2009
Springer
15 years 1 months ago
2009
Springer
The medial axis being an homotopic transformation, the skeleton of a 2D shape corresponds to a planar graph having one face for each hole of the shape and one node for each junctio...
3DOR
2008
15 years 6 hour 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...
TIP
2008
14 years 9 months ago
2008
In this paper, we explore the application of 2-D dual-tree discrete wavelet transform (DDWT), which is a directional and redundant transform, for image coding. Three methods for sp...
ICIAR
2005
Springer
15 years 3 months ago
2005
Springer
The purpose of this paper is to allow for high level shape representation and matching in multi-object images by detecting and extracting the envelope of object groupings in the im...