616 search results - page 7 / 124 » DCT Based High Quality Image Compression |
IVC
2007
13 years 7 months ago
2007
We present a variation to the well studied SVD based image compression technique. Our variation can be viewed as a preprocessing step in which the input image is permuted as per a...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
In this paper, a method for content-based retrieval of JPEG images is presented, utilizing features directly from the discrete cosine transform (DCT) domain. Image indexing is ach...
PICS
2001
13 years 9 months ago
2001
The mix raster content (MRC) model can be used to implement highly effective document compression algorithms. However, many MRC based methods which achieve high compression ratio ...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
This paper proposes an effective method for converting any fast DCT algorithm into an approximate multiplierless version. Basically it approximates any constant in the original tr...
ICIP
1998
IEEE
14 years 9 months ago
1998
IEEE
Robust transmission of images is achieved by using xed and variable-length coding together without much loss in compression e ciency. The probability distribution function of a DC...