1987 search results - page 6 / 398 » Directional filtering transform |
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
In this paper, we first propose a new family of geometrical image transforms that decompose images both radially and angularly. Our construction comprises two stages of filter ban...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
It is now widely acknowledged that wavelets are not very effective in representing images containing distributed discontinuities such as edges. This paper deals with a new multisc...
CORR
2006
Springer
13 years 7 months ago
2006
Springer
While there is a very long tradition of approximating a data array by projecting row or column vectors into a lower dimensional subspace the direct approximation of a data matrix ...
JDCTA
2010
13 years 2 months ago
2010
Preprocessing, a major component of Character Recognition System, has direct effect on the recognition system by its performance. Using wavelet transform, this paper mainly focuse...
VIS
2003
IEEE
14 years 8 months ago
2003
IEEE
We present a new algorithm for simplifying the shape of 3D objects by manipulating their medial axis transform (MAT). From an unorganized set of boundary points, our algorithm com...