Sciweavers

IWCIA
2009
Springer
14 years 6 months ago
Collapses and Watersheds in Pseudomanifolds
This work is settled in the framework of abstract simplicial complexes. We propose a definition of a watershed and of a collapse for maps defined on pseudomanifolds of arbitrary ...
Jean Cousty, Gilles Bertrand, Michel Couprie, Laur...
IWCIA
2009
Springer
14 years 6 months ago
Signatures of Combinatorial Maps
Abstract. In this paper, we address the problem of computing a canonical representation of an n-dimensional combinatorial map. To do so, we define two combinatorial map signatures...
Stéphane Gosselin, Guillaume Damiand, Chris...
IWCIA
2009
Springer
14 years 6 months ago
An Order-Independent Sequential Thinning Algorithm
Péter Kardos, Gábor Németh, K...
IWCIA
2009
Springer
14 years 6 months ago
Hierarchical Discrete Medial Axis for Sphere-Tree Construction
In discrete geometry, the Distance Transformation and the Medial Axis Extraction are classical tools for shape analysis. In this paper, we present a Hierarchical Discrete Medial Ax...
Alain Broutta, David Coeurjolly, Isabelle Sivignon
ICIAR
2009
Springer
14 years 6 months ago
Multifocus Image Fusion Using Local Phase Coherence Measurement
Image fusion is the task of enhancing the perception of a scene by combining information captured by different imaging sensors. A critical issue in the design of image fusion algo...
Rania Hassen, Zhou Wang, Magdy Salama
ICIAR
2009
Springer
14 years 6 months ago
Three Dimensional Segmentation of Intravascular Ultrasound Data
Intravascular ultrasound (IVUS) is a useful imaging technique that can be used to assess the health of coronary arteries. However, manual segmentation of the lumen and adventia bou...
Marc Wennogle, William Hoff
ICIAR
2009
Springer
14 years 6 months ago
Interactive Image Segmentation Based on Hierarchical Graph-Cut Optimization with Generic Shape Prior
Abstract. A new algorithm for interactive image segmentation is proposed. Besides the traditional appearance and gradient information, a new Generic Shape Prior (GSP) knowledge whi...
Chen Liu, Fengxia Li, Yan Zhang, Haiyang Gu
ICIAR
2009
Springer
14 years 6 months ago
An Example-Based Two-Step Face Hallucination Method through Coefficient Learning
Face hallucination is to reconstruct a high-resolution face image from a low-resolution one based on a set of high- and low-resolution training image pairs. This paper proposes an ...
Xiang Ma, Junping Zhang, Chun Qi
ICIAR
2009
Springer
14 years 6 months ago
Speech-Video Synchronization Using Lips Movements and Speech Envelope Correlation
In this paper, we propose a novel correlation based method for speech-video synchronization (synch) and relationship classification. The method uses the envelope of the speech sig...
Amar A. El-Sallam, Ajmal S. Mian
ICIAR
2009
Springer
14 years 6 months ago
Registration of the Prokudin-Gorskii Colour Photographs Using a Multiresolution SSIM Algorithm
Abstract. Russian photographer Prokudin-Gorskii was one of the pioneers of colour photography, creating projected colour composites through the acquisition of images using red, gre...
Michael Wirth, Bruce A. Bobier