8 search results - page 1 / 2 » Macroblock-Level Adaptive Scan Scheme for Discrete Cosine Tr... |
ISCAS
2007
IEEE
13 years 11 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...
ESTIMEDIA
2004
Springer
13 years 8 months ago
2004
Springer
This paper presents a new adaptive scheme to reduce the computation energy of the discrete cosine transform (DCT) architecture for image/video coding. The scheme employs the noise ...
JEI
2008
13 years 3 months ago
2008
Abstract. A removable visible watermarking scheme, which operates in the discrete cosine transform (DCT) domain, is proposed for combating copyright piracy. First, the original wat...
TMM
2002
13 years 4 months ago
2002
In this paper a hybrid fractal and Discrete Cosine transform (DCT) coder is developed. Drawing on the ability of DCT to remove inter-pixel redundancies and on the ability of fracta...
JMM2
2008
13 years 4 months ago
2008
In this work, an adaptive image compression algorithm is proposed based on the prediction of AC coefficients in Discrete Cosine Transform (DCT) block during reconstruction of image...