6 search results - page 1 / 2 » The Homogeneous Approximation Property for wavelet frames |
JAT
2007
13 years 4 months ago
2007
An irregular wavelet frame has the form W(ψ, Λ) = {a−1/2 ψ(x a − b)}(a,b)∈Λ, where ψ ∈ L2 (R) and Λ is an arbitrary sequence of points in the affine group A = R+ × ...
VC
2008
13 years 4 months ago
2008
Existing techniques for fast, high-quality rendering of translucent materials often fix BSSRDF parameters at precomputation time. We present a novel method for accurate rendering a...
ICIP
2003
IEEE
14 years 6 months ago
2003
IEEE
This paper proposes a new method of designing finitesupport wavelet filters, based on minimization of energy in key parts of the frequency domain. In particular this technique is ...
JAT
2010
13 years 3 months ago
2010
A common problem in applied mathematics is that of finding a function in a Hilbert space with prescribed best approximations from a finite number of closed vector subspaces. In ...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
The lifting scheme provides a general and flexible tool for the construction of wavelet decompositions and perfect reconstruction filter banks. In this paper we propose an adaptiv...