Sciweavers

621 search results - page 17 / 125
» Compression of facial images using the K-SVD algorithm
Sort
View
ICIAR
2004
Springer
15 years 7 months ago
Real-Time Facial Feature Extraction by Cascaded Parameter Prediction and Image Optimization
We propose a new fast facial-feature extraction technique for embedded face-recognition applications. A deformable feature model is adopted, of which the parameters are optimized t...
Fei Zuo, Peter H. N. de With
CIARP
2003
Springer
15 years 7 months ago
3D Rigid Facial Motion Estimation from Disparity Maps
This paper proposes an approach to estimate 3D rigid facial motions through a stereo image sequence. The approach uses a disparity space as the main space in order to represent all...
Nicolas Pérez de la Blanca, José M. ...
ICIP
2000
IEEE
16 years 3 months ago
Evaluation of Lossless Compression Methods for Gray Scale Document Images
In this paper, a comparative study of lossless compression algorithms is presented. The following algorithms are considered: UNIX compress, gzip, LZW, CCITT Group 3 and Group 4, J...
Andreas E. Savakis
ISCAS
2006
IEEE
96views Hardware» more  ISCAS 2006»
15 years 7 months ago
On the initialization of the DNMF algorithm
— A subspace supervised learning algorithm named Discriminant Non-negative Matrix Factorization (DNMF) has been recently proposed for classifying human facial expressions. It dec...
Ioan Buciu, Nikos Nikolaidis, Ioannis Pitas
MIS
1998
Springer
103views Multimedia» more  MIS 1998»
15 years 6 months ago
NETCICATS: Network-Conscious Image Compression and Transmission System
NETCICATS is a software system for empirically evaluating network-conscious image compression, an approach that does not simply optimize compression, but which optimizes overall pe...
Sami Iren, Paul D. Amer, Phillip T. Conrad