391 search results - page 27 / 79 » On Performance Comparison of Real and Synthetic Iris Images |
IJCV
2007
13 years 8 months ago
2007
As an important geometric property of many structures or structural components, convexity plays an important role in computer vision and image understanding. In this paper, we desc...
SEMCO
2007
IEEE
14 years 2 months ago
2007
IEEE
Human visual recognition is based largely on shape, yet effectively using shapes in natural image retrieval is a challenging task. Most existing methods are based on the geometric...
CVIU
2008
13 years 7 months ago
2008
This paper presents a search engine architecture, RETIN, aiming at retrieving complex categories in large image databases. For indexing, a scheme based on a two-step quantization ...
MICCAI
2005
Springer
14 years 9 months ago
2005
Springer
In this paper, we present a novel variational formulation of the registration assisted image segmentation problem which leads to solving a coupled set of nonlinear PDEs that are so...
ICCV
2011
IEEE
12 years 8 months ago
2011
IEEE
In this paper we propose a new approach to compute the scale space of any omnidirectional image acquired with a central catadioptric system. When these cameras are central they ar...