160 search results - page 3 / 32 » Image resizing in the discrete cosine transform domain |
89
Voted
IDA
2009
Springer
15 years 4 months ago
2009
Springer
In this paper, an algorithm for image coding based on a sparse 3-dimensional Discrete Cosine Transform (3D DCT) is studied. The algorithm is essentially a method for achieving a su...
ICMCS
2006
IEEE
15 years 3 months ago
2006
IEEE
- Nearly all block-based transform schemes for image and video coding developed so far choose the 2-D discrete cosine transform (DCT) of a square block shape. With almost no except...
PRL
2006
14 years 9 months ago
2006
In this paper we present a novel measure of camera focus based on the Bayes spectral entropy of an image spectrum. In order to estimate the degree of focus, the image is divided i...
ISCAS
1999
IEEE
15 years 1 months ago
1999
IEEE
This paper presents an algorithm for the low power implementation of the Discrete Cosine Transform on Single multiplier CMOS DSPs. The algorithm reduces power by a combination of ...
ICMCS
2006
IEEE
15 years 3 months ago
2006
IEEE
A new postprocessing method based on adjusted contourlet transform is introduced in this paper for suppressing blocking artifacts (BA) in block-based discrete cosine transform (BD...