EUROPAR
2005
Springer
13 years 9 months ago
2005
Springer
In H.264/AVC [1], integer transforms are applied instead of the 8×8 discrete cosine transform (DCT) of previous standards to avoid inverse transform mismatch problems. However, th...
ICMCS
2005
IEEE
13 years 10 months ago
2005
IEEE
In this paper, a method for content-based retrieval of JPEG images is presented, utilizing features directly from the discrete cosine transform (DCT) domain. Image indexing is ach...
FPT
2005
IEEE
13 years 10 months ago
2005
IEEE
Two FPGA implementations of a Shape Adaptive Discrete Cosine Transform (SA-DCT) accelerator are presented in this paper: one PCI-based and the other AMBA-based. The former is used...
ACCV
2006
Springer
13 years 10 months ago
2006
Springer
The implementation of a codec for real time applications such as video-conferencing at low bit rates is discussed. The discrete cosine transform has been used for compression, both...
FPL
2007
Springer
13 years 10 months ago
2007
Springer
In this paper we present Minibit+, an approach that optimizes the bit-widths of fixed-point and floating-point designs, while guaranteeing accuracy. Our approach adopts differen...
ISCAS
2007
IEEE
13 years 10 months ago
2007
IEEE
—Simplified order-16 Integer Cosine Transform (ICT) has been proved to be an efficient coding tool especially for High-Definition (HD) video coding and is much simpler than ICT a...
ICMCS
2007
IEEE
13 years 10 months ago
2007
IEEE
This paper introduces a ¢¤£ discrete, non-separable transform for image processing, which can be regarded as a combination of the well known Discrete Cosine Transform (DCT) wit...
ICC
2007
IEEE
13 years 10 months ago
2007
IEEE
Abstract— Frequency synchronization is one of the most important components in orthogonal frequency-division multiplexing (OFDM) systems. Recently, the discrete cosine transform ...
IDA
2009
Springer
13 years 11 months ago
2009
Springer
In this paper, an algorithm for image coding based on a sparse 3-dimensional Discrete Cosine Transform (3D DCT) is studied. The algorithm is essentially a method for achieving a su...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
The three-dimensional discrete cosine transform (3D DCT) has been proposed as an alternative to motion-compensated transform coding for video content. However, so far no definiti...