51 search results - page 4 / 11 » Down-Scaling for Better Transform Compression |
DCC
2001
IEEE
14 years 5 months ago
2001
IEEE
Lossless compression researchers have developed highly sophisticated approaches, such as Huffman encoding, arithmetic encoding, the Lempel-Ziv family, Dynamic Markov Compression (D...
JEI
2008
13 years 4 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...
IVC
2007
13 years 6 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...
ICIP
2001
IEEE
14 years 7 months ago
2001
IEEE
A comparison of lossleess compression results is given for RGB, YCRCB and reversible JPEG 2000 color space. The paper describes the general conditions that rounding errors of a co...
ISCIS
2003
Springer
13 years 11 months ago
2003
Springer
This paper presents a postprocessing technique based on the theory of projections onto convex sets (POCS) to reduce the blocking artifacts in low bit rate BDCT-coded images. In the...