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ICIP
2006
IEEE
16 years 5 months ago
Fusion of Geometrical and Texture Information for Facial Expression Recognition
A novel method based on geometrical and texture information is proposed for facial expression recognition from video sequences. The Discriminant Non-negative Matrix Factorization ...
Irene Kotsia, Nikos Nikolaidis, Ioannis Pitas
ICIP
2007
IEEE
15 years 7 months ago
Efficient Demosaicing Through Recursive Filtering
We present a computationally efficient demosaicing algorithm based on a luminance-chrominance model of the Color Filter Array (CFA) image. We show that the chrominance information ...
Brice Chaix de Lavarène, David Alleysson, B...
157
Voted
ECCV
2006
Springer
15 years 7 months ago
The 4-Source Photometric Stereo Under General Unknown Lighting
Many previous works on photometric stereo have shown how to recover the shape and reflectance properties of an object using multiple images taken under a fixed viewpoint and variab...
Chia-Ping Chen, Chu-Song Chen
ICPR
2010
IEEE
15 years 5 months ago
Flooding and MRF-Based Algorithms for Interactive Segmentation
We propose a method for interactive colour image segmentation. The goal is to detect an object from the background, when some markers on object(s) and the background are given. As...
Ilias Grinias, Nikos Komodakis, G. Tziritas
141
Voted
ICIP
2006
IEEE
16 years 5 months ago
A Minimum-Entropy Procedure for Robust Motion Estimation
We focus on motion estimation using a block matching approach and suggest using a minimum-entropy criterion. Many entropy-based estimation procedures exist, such as plug-in estima...
Sylvain Boltz, Eric Wolsztynski, Eric Debreuve, Er...