Sciweavers

ICCV
2007
IEEE
14 years 8 months ago
Half Quadratic Analysis for Mean Shift: with Extension to A Sequential Data Mode-Seeking Method
Theoretical understanding and extension of mean shift procedure has received much attention recently [8, 18, 3]. In this paper, we present a theoretical exploration and an algorit...
Xiaotong Yuan, Stan Z. Li
ICCV
2007
IEEE
14 years 8 months ago
MRF Optimization via Dual Decomposition: Message-Passing Revisited
A new message-passing scheme for MRF optimization is proposed in this paper. This scheme inherits better theoretical properties than all other state-of-the-art message passing met...
Nikos Komodakis, Nikos Paragios, Georgios Tziritas
ICCV
2007
IEEE
14 years 8 months ago
Using High-Level Visual Information for Color Constancy
We propose to use high-level visual information to improve illuminant estimation. Several illuminant estimation approaches are applied to compute a set of possible illuminants. Fo...
Joost van de Weijer, Cordelia Schmid, Jakob J. Ver...
ICCV
2007
IEEE
14 years 8 months ago
Minimizing the Reprojection Error in Surface Reconstruction from Images
This paper addresses the problem of image-based surface reconstruction. The main contribution is the computation of the exact derivative of the reprojection error functional. This...
Pau Gargallo, Emmanuel Prados, Peter F. Sturm
ICCV
2007
IEEE
14 years 8 months ago
Depth-From-Recognition: Inferring Meta-data by Cognitive Feedback
Thanks to recent progress in category-level object recognition, we have now come to a point where these techniques have gained sufficient maturity and accuracy to succesfully feed...
Alexander Thomas, Vittorio Ferrari, Bastian Leibe,...
ICCV
2007
IEEE
14 years 8 months ago
Temporal Segmentation of Facial Behavior
Temporal segmentation of facial gestures in spontaneous facial behavior recorded in real-world settings is an important, unsolved, and relatively unexplored problem in facial imag...
Fernando De la Torre, Joan Campoy, Zara Ambadar, J...
ICCV
2007
IEEE
14 years 8 months ago
High-Dimensional Feature Matching: Employing the Concept of Meaningful Nearest Neighbors
Matching of high-dimensional features using nearest neighbors search is an important part of image matching methods which are based on local invariant features. In this work we hi...
Dusan Omercevic, Ondrej Drbohlav, Ales Leonardis
ICCV
2007
IEEE
14 years 8 months ago
Fitting a Morphable Model to 3D Scans of Faces
This paper presents a top-down approach to 3D data analysis by fitting a Morphable Model to scans of faces. In a unified framework, the algorithm optimizes shape, texture, pose an...
Volker Blanz, Kristina Scherbaum, Hans-Peter Seide...
ICCV
2007
IEEE
14 years 8 months ago
Spatio-Temporal Shape from Silhouette using Four-Dimensional Delaunay Meshing
We propose a novel method for computing a fourdimensional (4D) representation of the spatio-temporal visual hull of a dynamic scene, based on an extension of a recent provably cor...
Ehsan Aganj, Jean-Philippe Pons, Florent Sé...