266 search results - page 14 / 54 » New algorithms for computing directional discrete Fourier tr... |
MOC
2002
13 years 7 months ago
2002
The spectral method with discrete spherical harmonics transform plays an important role in many applications. In spite of its advantages, the spherical harmonics transform has a dr...
SIGGRAPH
1993
ACM
13 years 11 months ago
1993
ACM
The Fourier projection-slice theorem allows projections of volume data to be generated in O(n2 log n) time for a volume of size n3 . The method operates by extracting and inverse ...
TSP
2010
13 years 2 months ago
2010
Abstract--We present a constructive algorithm for the design of real lapped equal-norm tight frame transforms. These transforms can be efficiently implemented through filter banks ...
NA
2006
13 years 7 months ago
2006
Abstract. The present article summarizes the state of the art algorithms to compute the discrete Moreau envelope, and presents a new linear-time algorithm, named NEP for NonExpansi...
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
In this paper, we present a VLSI architecture for separable 2-D Discrete Wavelet Transform (DWT). Based on 1-D DWT Recursive Pyramid Algorithm (RPA), a complete 2-D DWT output sch...