A cost-effective architecture for 8/spl times/8 two-dimensional DCT/IDCT using direct method
YP Lee, TH Chen, LG Chen, MJ Chen… - IEEE transactions on …, 1997 - ieeexplore.ieee.org
Among the various transform techniques for image compression, the discrete cosine
transform (DCT) is the most popular and effective one in practical image and video coding …
transform (DCT) is the most popular and effective one in practical image and video coding …
[图书][B] Image and video processing in the compressed domain
J Mukhopadhyay - 2011 - books.google.com
As more images and videos are becoming available in compressed formats, researchers
have begun designing algorithms for different image operations directly in their domains of …
have begun designing algorithms for different image operations directly in their domains of …
Restructured recursive DCT and DST algorithms
PZ Lee, FY Huang - IEEE Transactions on Signal Processing, 1994 - ieeexplore.ieee.org
The discrete cosine transform (DCT) and the discrete sine transform (DST) have found wide
applications in speech and image processing, as well as telecommunication signal …
applications in speech and image processing, as well as telecommunication signal …
A comparison of fast inverse discrete cosine transform algorithms
AC Hung, THY Meng - Multimedia Systems, 1994 - Springer
The discrete cosine transform (DCT) is often applied to image compression to decorrelate
picture data before quantization. This decorrelation results in many of the quantized …
picture data before quantization. This decorrelation results in many of the quantized …
A refined fast 2-D discrete cosine transform algorithm
A refined fast 2-D discrete cosine transform algorithm Page 1 904 IEEE TRANSACTIONS ON
SIGNAL PROCESSING, VOL. 47, NO. 3, MARCH 1999 A Refined Fast 2-D Discrete Cosine …
SIGNAL PROCESSING, VOL. 47, NO. 3, MARCH 1999 A Refined Fast 2-D Discrete Cosine …
An image compression algorithm based on the Karhunen Loève transform
The Karhunen-Loève Transform (KLT) is the optimal transform for a block of signal in terms
of decorrelation and energy compaction performances. However, it is not used in practice …
of decorrelation and energy compaction performances. However, it is not used in practice …
Recursive algorithm, architectures and FPGA implementation of the two-dimensional discrete cosine transform
S An, C Wang - IET Image Processing, 2008 - IET
A new recursive algorithm and two types of circuit architectures are presented for the
computation of the two-dimensional discrete cosine transform (2D DCT). The new algorithm …
computation of the two-dimensional discrete cosine transform (2D DCT). The new algorithm …
Direct recursive structures for computing radix-r two-dimensional DCT/IDCT/DST/IDST
In this paper, new recursive structures for computing radix-r two-dimensional (2-D) discrete
cosine transform (DCT) and 2-D inverse DCT (IDCT) are proposed. The 2-D DCT/IDCT are …
cosine transform (DCT) and 2-D inverse DCT (IDCT) are proposed. The 2-D DCT/IDCT are …
A cost-efficient and fully-pipelinable architecture for DCT/IDCT
SF Hsiao, WR Shiue, JM Tseng - IEEE Transactions on …, 1999 - ieeexplore.ieee.org
A novel low-cost and low-power linear array for computation of discrete cosine transform
(DCT) and its inverse is derived from the heterogeneous dependence graphs representing …
(DCT) and its inverse is derived from the heterogeneous dependence graphs representing …
On the computation of two-dimensional DCT
A new fast algorithm for the type-II two-dimensional (2-D) discrete cosine transform (DCT) is
presented. It shows that the 2-D DCT can be decomposed into cosine-cosine, cosine-sine …
presented. It shows that the 2-D DCT can be decomposed into cosine-cosine, cosine-sine …