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ICIP
2001
IEEE
16 years 6 months ago
On sparse signal representations
An elementary proof of a basic uncertainty principle concerning pairs of representations of ?? vectors in different orthonormal bases is provided. The result, slightly stronger th...
Michael Elad, Alfred M. Bruckstein
ICASSP
2011
IEEE
14 years 8 months ago
Secure video processing: Problems and challenges
Secure signal processing is an emerging technology to enable signal processing tasks in a secure and privacy-preserving fashion. It has attracted a great amount of research attent...
Wenjun Lu, Avinash L. Varna, Min Wu
ICIP
1999
IEEE
16 years 6 months ago
An Advanced Zonal Block Based Algorithm for Motion Estimation
Efficient motion estimation is very important for compressing video in standards like MPEG1/2/4 and ITU-T H.261/263. In this paper a new algorithm will be presented which can outp...
Alexis M. Tourapis, Oscar C. Au, Ming L. Liou, Guo...
VISUALIZATION
2005
IEEE
15 years 10 months ago
The Visible Radio: Process Visualization of a Software-Defined Radio
In this case study, a data-oriented approach is used to visualize a complex digital signal processing pipeline. The pipeline implements a Frequency Modulated (FM) Software-Defined...
Matthew Hall, Alex Betts, Donna Cox, David Pointer...
IJCV
2006
119views more  IJCV 2006»
15 years 4 months ago
Hand Motion Gesture Frequency Properties and Multimodal Discourse Analysis
Gesture and speech are co-expressive and complementary channels of a single human language system. While speech carries the major load of symbolic presentation, gesture provides th...
Yingen Xiong, Francis K. H. Quek