55 search results - page 4 / 11 » Reduced DCT approximations for low bit rate coding |
TCSV
2010
13 years 2 months ago
2010
Abstract--The rate control problem has been extensively studied in parallel to the development of the different video coding standards. The bit allocation via Cauchy-density-based ...
PAMI
2007
13 years 7 months ago
2007
—This paper presents a novel iris coding method based on differences of discrete cosine transform (DCT) coefficients of overlapped angular patches from normalized iris images. Th...
ICIP
1997
IEEE
13 years 11 months ago
1997
IEEE
A novel algorithm is described for coding objects in video compression systems which gives complete control over the bit allocation to the video objects. The method is evaluated b...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract—In this contribution the performance of multipleinput multiple-output space-division, code-division multipleaccess (MIMO SCDMA) is investigated, when the low-complexity ...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
In many modern video encoders, motion estimation is usually formulated as a Lagrangian cost function that balances motion prediction accuracy and the rate to transmit motion vecto...