139 search results - page 1 / 28 » Image coding with iterated contourlet and wavelet transforms |
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
This paper presents a new coding technique based on a mixed contourlet and wavelet transform. The redundancy of the transform is controlled by using the contourlet at fine scales ...
ICIP
2004
IEEE
14 years 6 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...
ESIAT
2009
IEEE
13 years 7 months ago
2009
IEEE
—In all methods of image denoising, there is a problem always exists that is how to distinguish noise and edge. Now wavelet and contourlet are main tools in image denoising, but ...
ISCAS
2006
IEEE
13 years 10 months ago
2006
IEEE
— In this paper, the shift-invariant complex directional filter bank (CDFB) is proposed for texture image retrieval. By combining the Laplacian pyramid and the CDFB, a new image...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
Overcomplete transforms, like the Dual-Tree Complex Wavelet Transform, offer more flexible signal representations than criticallysampled transforms. Large numbers of transform coe...