28 search results - page 1 / 6 » Wavelet-based contourlet transform and its application to im... |
ICIP
2004
IEEE
14 years 5 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
2004
IEEE
14 years 5 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
2005
IEEE
14 years 5 months ago
2005
IEEE
We present the nonsubsampled contourlet transform and its application in image enhancement. The nonsubsampled contourlet transform is built upon nonsubsampled pyramids and nonsubs...
ICIP
2006
IEEE
14 years 5 months ago
2006
IEEE
The contourlet transform was proposed as a directional multiresolution image representation that can efficiently capture and represent singularities along smooth object boundaries...
ICIP
2007
IEEE
13 years 10 months ago
2007
IEEE
The geometric features of images, such as edges, are difficult to represent. When a redundant transform is used for their extraction, the compression challenge is even more dif...