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» Adaptive Image Reconstruction Using Information Measures
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AVSS
2007
IEEE
15 years 9 months ago
On the effect of motion segmentation techniques in description based adaptive video transmission
This paper presents the results of analysing the effect of different motion segmentation techniques in a system that transmits the information captured by a static surveillance ca...
Juan Carlos San Miguel, José María M...
VR
2011
IEEE
193views Virtual Reality» more  VR 2011»
14 years 7 months ago
Recognition-driven 3D navigation in large-scale virtual environments
We present a recognition-driven navigation system for large-scale 3D virtual environments. The proposed system contains three parts, virtual environment reconstruction, feature da...
Wei Guan, Suya You, Ulrich Neumann
ICPR
2008
IEEE
16 years 4 months ago
An adaptive Monte Carlo approach to nonlinear image denoising
This paper introduces a novel stochastic approach to image denoising using an adaptive Monte Carlo scheme. Random samples are generated from the image field using a spatially-adap...
Alexander Wong, Akshaya Kumar Mishra, Paul W. Fieg...
211
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SIAMIS
2011
14 years 10 months ago
Gradient-Based Methods for Sparse Recovery
The convergence rate is analyzed for the sparse reconstruction by separable approximation (SpaRSA) algorithm for minimizing a sum f(x) + ψ(x), where f is smooth and ψ is convex, ...
William W. Hager, Dzung T. Phan, Hongchao Zhang
PCM
2004
Springer
97views Multimedia» more  PCM 2004»
15 years 8 months ago
Frequency Weighting and Selective Enhancement for MPEG-4 Scalable Video Coding
In MPEG-4 scalable video coding, only a small portion of input data is coded in the base layer, and most signal components remain in enhancement layers. In this paper, we propose a...
Seung Hwan Kim, Yo-Sung Ho