218 search results - page 9 / 44 » Directional Discrete Cosine Transforms for Image Coding |
TIP
2010
2010
The Discrete Shearlet Transform: A New Directional Transform and Compactly Supported Shearlet Frames
14 years 8 months ago
It is now widely acknowledged that analyzing the intrinsic geometrical features of the underlying image is essential in many applications including image processing. In order to a...
ICIP
2007
IEEE
15 years 11 months ago
2007
IEEE
Directional information is an important component of both natural and synthetic images, and it is exploited in many image processing applications. Directional basis analysis is us...
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
Current audio coding standards employ the modified discrete cosine transform (MDCT) where overlapped frames of audio are windowed and transformed to the frequency domain. Encodin...
ICIP
2006
IEEE
15 years 11 months ago
2006
IEEE
We propose an adaptive lifted discrete wavelet transform to locally adapt the ltering direction to the geometric ow in the image. The proposed approach re nes previous directional...
DCC
2004
IEEE
15 years 9 months ago
2004
IEEE
Many technical imaging applications, like coding "images" of digital elevation maps, require extracting regions of compressed images in which the pixel values are within...