218 search results - page 4 / 44 » Directional Discrete Cosine Transforms for Image Coding |
ICIP
2001
IEEE
15 years 12 days ago
2001
IEEE
Coding at the sample level in still image watermarking takes advantage of avoiding a non-optimum initial diversity stage, used in many watermarking systems for tailoring Gaussian ...
ISCAS
2007
IEEE
14 years 5 months ago
2007
IEEE
—Discrete Cosine Transform (DCT) has been widely used in image/video coding systems, where zigzag scan is usually employed for DCT coefficient organization. However, due to local...
ICIP
2008
IEEE
15 years 17 days ago
2008
IEEE
Our recently introduced JPEG steganographic method called Yet Another Steganographic Scheme (YASS) can resist blind steganalysis by embedding data in the discrete cosine transform...
ISCAS
1999
IEEE
14 years 3 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 ...
ICASSP
2007
IEEE
14 years 5 months ago
2007
IEEE
Recently, Narozny et al [1] proposed a new viewpoint in variable high-rate transform coding. They showed that the problem of finding the optimal 1-D linear block transform for a ...