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ICIP
2007
IEEE
16 years 27 days ago
New Directions in Contact Free Hand Recognition
The ability to quickly compute hand geometry measurements from a freely posed hand offers advantages to biometric identification systems. While hand geometry systems are not new,...
Xiaoqian Jiang, Wanhong Xu, Latanya Sweeney, Yihen...
ICIP
2007
IEEE
16 years 27 days ago
Lifting-Based Directional DCT-Like Transform for Image Coding
Traditional 2D DCT implemented by separable 1D transform in horizontal and vertical directions does not take image orientation features in a local window into account. To improve ...
Hao Xu, Jizheng Xu, Feng Wu
ICIP
2007
IEEE
16 years 27 days ago
Estimation and Analysis of Facial Animation Parameter Patterns
We propose a framework for estimation and analysis of temporal facial expression patterns of a speaker. The proposed system aims to learn personalized elementary dynamic facial ex...
Ferda Ofli, Engin Erzin, Yucel Yemez, A. Murat Tek...
ICIP
2007
IEEE
16 years 27 days ago
Joint Optimization of Transform Coefficients for Hierarchical B Picture Coding in H.264/AVC
Coding of video sequences using hierarchical B pictures in the Joint Scalable Video Model (JSVM) for the scalability amendment of H.264/AVC has the benefit of improved rate distor...
Martin Winken, Heiko Schwarz, Detlev Marpe, Thomas...
ICIP
2007
IEEE
16 years 27 days ago
Locally Competitive Algorithms for Sparse Approximation
Practical sparse approximation algorithms (particularly greedy algorithms) suffer two significant drawbacks: they are difficult to implement in hardware, and they are inefficie...
Christopher J. Rozell, Don H. Johnson, Richard G. ...