266 search results - page 11 / 54 » New algorithms for computing directional discrete Fourier tr... |
MOC
1998
13 years 7 months ago
1998
Consider the Vandermonde-like matrix P := (Pk(cos jπ N ))N j,k=0, where the polynomials Pk satisfy a three-term recurrence relation. If Pk are the Chebyshev polynomials Tk, then P...
MVA
1992
13 years 8 months ago
1992
In this study, we explore the domain of orthogonal transforms, in order to bring an understanding on the characterization of image features, with emphasis placed on the Karhunen-L...
NEW2AN
2010
Springer
13 years 6 months ago
2010
Springer
This paper proposes a new spatial scalable and low-complexity videocompressionalgorithmbasedonmultiplicationfreethree-dimensional discrete pseudo-cosine transform (3-D DPCT). Pract...
NIPS
2001
13 years 9 months ago
2001
In previous work on "transformed mixtures of Gaussians" and "transformed hidden Markov models", we showed how the EM algorithm in a discrete latent variable mo...
ISCAS
2008
IEEE
14 years 2 months ago
2008
IEEE
— This paper presents a novel 3-D direction aligned wavelet transform for scalable video coding. A new generalized 3D directional threading technique is seamlessly incorporated i...