10 search results - page 1 / 2 » Critical quantization decisions in transform coding and bloc... |
ISCAS
1999
IEEE
13 years 9 months ago
1999
IEEE
ICIP
2008
IEEE
14 years 6 months ago
2008
IEEE
In this paper, we analyze the formation of blocking artifacts as a result of quantization of the discrete cosine transform (DCT) coefficients. These artifacts are known to be the ...
ICIP
1997
IEEE
14 years 6 months ago
1997
IEEE
This paper presents a new restoration approach to reduce coding artifacts in block-transform image coding. Di erent from conventional restoration techniques, the proposed one is n...
TIP
2010
12 years 11 months ago
2010
- In this report, we investigate the application of Direction Adaptive-Partitioned Block Transform (DA-PBT) to color images and propose a basic framework for DA-PBT Color Image Cod...
ISM
2008
IEEE
13 years 11 months ago
2008
IEEE
Many popular image compression schemes are based on block-transform coding, a technique where images are broken into small blocks of pixels prior to transformation and compression...