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ICISP
2010
Springer
13 years 11 months ago
Color VQ-Based Image Compression by Manifold Learning
Abstract. When the amount of color data is reduced in a lossy compression scheme, the question of the use of a color distance is crucial, since no total order exists in IRn
Christophe Charrier, Olivier Lezoray
ICISP
2010
Springer
13 years 11 months ago
Selecting Optimal Orientations of Gabor Wavelet Filters for Facial Image Analysis
Abstract. Gabor wavelet-based methods have been widely used to extract representative features for face analysis. However, the existing methods usually suffer from high computation...
Tianqi Zhang, Bao-Liang Lu
DAGM
2006
Springer
13 years 11 months ago
Low-Cost Laser Range Scanner and Fast Surface Registration Approach
In the last twenty years many approaches for contact-free measurement techniques for object surfaces and approaches for 3d object reconstruction have been proposed; but often they ...
Simon Winkelbach, Sven Molkenstruck, Friedrich M. ...
DAGM
2006
Springer
13 years 11 months ago
Introducing Dynamic Prior Knowledge to Partially-Blurred Image Restoration
Abstract. The paper presents an unsupervised method for partiallyblurred image restoration without influencing unblurred regions or objects. Maximum a posteriori estimation of para...
Hongwei Zheng, Olaf Hellwich
DAGM
2006
Springer
13 years 11 months ago
Detecting Intrinsically Two-Dimensional Image Structures Using Local Phase
Abstract. This paper presents a novel approach towards detecting intrinsically two-dimensional (i2D) image structures using local phase information. The local phase of the i2D stru...
Di Zang, Gerald Sommer
DAGM
2006
Springer
13 years 11 months ago
A Multiple Graph Cut Based Approach for Stereo Analysis
This paper presents an optimization framework for the 3D reconstruction of the surfaces from stereo image pairs. The method is based on employing popular graph cut methods under th...
Ulas Vural, Yusuf Sinan Akgul
DAGM
2006
Springer
13 years 11 months ago
On-Line Variational Estimation of Dynamical Fluid Flows with Physics-Based Spatio-temporal Regularization
We present a variational approach to motion estimation of instationary fluid flows. Our approach extends prior work along two directions: (i) The full incompressible Navier-Stokes ...
Paul Ruhnau, Annette Stahl, Christoph Schnörr
DAGM
2006
Springer
13 years 11 months ago
Pose Estimation from Uncertain Omnidirectional Image Data Using Line-Plane Correspondences
Abstract. Omnidirectional vision is highly beneficial for robot navigation. We present a novel perspective pose estimation for omnidirectional vision involving a parabolic central ...
Christian Gebken, Antti Tolvanen, Gerald Sommer
DAGM
2006
Springer
13 years 11 months ago
Phase Based 3D Texture Features
In this paper, we present a novel method for the voxel-wise extraction of rotation and gray-scale invariant features. These features are used for simultaneous segmentation and clas...
Janis Fehr, Hans Burkhardt
ICISP
2010
Springer
13 years 11 months ago
Classification of Similar Impact Sounds
Several sound classifiers have been developed throughout the years. The accuracy provided by these classifiers is influenced by the features they use and the classification method ...
Sofia Cavaco, José Rodeia