ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
This paper deals with multidimensional ICA and its performance analysis, applied to cosmological observations. Our purpose is the separation of the cosmic microwave background rad...
MA
2010
Springer
13 years 3 months ago
2010
Springer
We characterize the angular polyspectra, of arbitrary order, associated with isotropic fields defined on the sphere S2 = (x, y, z) : x2 + y2 + z2 = 1 . Our techniques rely heavi...