126 search results - page 8 / 26 » Reconstruction of Spectra Using Empirical Basis Functions |
ISBI
2004
IEEE
14 years 8 months ago
2004
IEEE
We provide approximate expressions for the covariance matrix of kinetic parameter estimators based on time activity curve (TAC) reconstructions when TACs are modeled as a linear c...
ISBI
2006
IEEE
14 years 8 months ago
2006
IEEE
We have developed two algorithms for source imaging from MEG/EEG data. Contribution to sensor data from a source at a particular voxel is expressed as the product of a known lead ...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
Sparse image reconstruction is of interest in the fields of radioastronomy and molecular imaging. The observation is assumed to be a linear transformation of the image, and corrup...
ICPR
2008
IEEE
14 years 9 months ago
2008
IEEE
This paper deals with the problem of spectral reflectance estimation from color camera outputs. Because the reconstruction of such functions is an inverse problem, stabilizing the...
ICPR
2008
IEEE
14 years 2 months ago
2008
IEEE
In this study Principal Component Analysis (PCA), Non-negative Matrix Factorization (NMF) and Nonnegative Tensor Factorization (NTF) are applied as dimension reduction methods in ...