Sciweavers

3614 search results - page 31 / 723
» Image processing and data analysis: The multiscale approach
Sort
View
ISBI
2004
IEEE
16 years 15 days ago
Wavelet-Based fMRI Statistical Analysis and Spatial Interpretation: A Unifying Approach
Wavelet-based statistical analysis methods for fMRI are able to detect brain activity without smoothing the data. Typically, the statistical inference is performed in the wavelet ...
Dimitri Van De Ville, Thierry Blu, Michael Unser
ICIP
1999
IEEE
16 years 1 months ago
Unsupervised Progressive Parsing of Poisson Fields Using Minimum Description Length, Criteria
This paper describes novel methods for estimating piecewise homogeneous Poisson elds based on minimum description length (MDL) criteria. By adopting a coding-theoretic approach, o...
Mário A. T. Figueiredo, Robert D. Nowak
ICASSP
2008
IEEE
15 years 6 months ago
Contextually adaptive signal representation using conditional principal component analysis
The conventional method of generating a basis that is optimally adapted (in MSE) for representation of an ensemble of signals is Principal Component Analysis (PCA). A more ambitio...
Rosa M. Figueras i Ventura, Umesh Rajashekar, Zhou...
ATAL
2010
Springer
15 years 27 days ago
Using geometric diffusions for recognition-primed multi-agent decision making
Several areas of multi-agent research, such as large-scale agent organization and experience-based decision making, demand novel perspectives and efficient approaches for multisca...
Xiaocong Fan, Meng Su
SIGGRAPH
2010
ACM
15 years 4 months ago
Synthesizing structured image hybrids
Example-based texture synthesis algorithms generate novel texture images from example data. A popular hierarchical pixel-based approach uses spatial jitter to introduce diversity,...
Eric Risser, Charles Han, Rozenn Dahyot, Eitan Gri...