Recursive architectures for realizing modified discrete cosine transform and its inverse

CH Chen, BD Liu, JF Yang - … on Circuits and Systems II: Analog …, 2003 - ieeexplore.ieee.org
In this paper, we present efficient recursive architectures for realizing the modified discrete
cosine transform (MDCT) and the inverse MDCT (IMDCT) acquired in many audio coding …

DCT-based motion estimation

UV Koc, KJR Liu - IEEE transactions on image processing, 1998 - ieeexplore.ieee.org
We propose novel discrete cosine transform (DCT) pseudophase techniques to estimate
shift/delay between two one-dimensional (1-D) signals directly from their DCT coefficients by …

IEEE President KJ Ray Liu,“Follow Multiple Paths,” Changing the World With Microwave Time Reversal Focusing

PH Siegel - IEEE Journal of Microwaves, 2022 - ieeexplore.ieee.org
This is the sixth in our Microwave Pioneer series in which we are privileged to provide our
readers with a very special subject: current IEEE President KJ Ray Liu. Professor Liu's …

Algorithm-based low-power and high-performance multimedia signal processing

KJR Liu, AY Wu, A Raghupathy… - Proceedings of the …, 1998 - ieeexplore.ieee.org
Low power and high performance are the two most important criteria for many signal-
processing system designs, particularly in real-time multimedia applications. There have …

VLSI design of high-speed time-recursive 2-D DCT/IDCT processor for video applications

V Srinivasan, KJR Liu - … on Circuits and Systems for video …, 1996 - ieeexplore.ieee.org
In this paper we present a full-custom VLSI design of high-speed 2-D DCT/IDCT processor
based on the new class of time-recursive algorithms and architectures which has never …

Boundary effect free and adaptive discrete signal sinc-interpolation algorithms for signal and image resampling

L Yaroslavsky - Applied Optics, 2003 - opg.optica.org
The problem of digital signal and image resampling with discrete sinc interpolation is
addressed. Discrete sinc interpolation is theoretically the best one among the digital …

Interpolation-free subpixel motion estimation techniques in DCT domain

U Koc, KJR Liu - IEEE Transactions on Circuits and Systems …, 1998 - ieeexplore.ieee.org
Currently existing subpixel motion estimation algorithms require interpolation of interpixel
values which undesirably increases the overall complexity and data flow and deteriorates …

CORDIC-based high throughput sliding DFT architecture with reduced error-accumulation

T Kulshreshtha, AS Dhar - Circuits, Systems, and Signal Processing, 2018 - Springer
This paper presents a COordinate Rotation DIgital Computer (CORDIC)-based architecture
of the sliding discrete Fourier transform (SDFT) for the real-time spectrum analysis with a …

An efficient unified systolic architecture for the computation of discrete trigonometric transforms

WH Fang, ML Wu - 1997 IEEE International Symposium on …, 1997 - ieeexplore.ieee.org
In this paper, a novel unified systolic architecture which can efficiently implement various
discrete trigonometric transforms (DXT) including the discrete Fourier transform (DFT), the …

An application of ontology technologies to robotic agents

F Amigoni, MA Neri - IEEE/WIC/ACM International Conference …, 2005 - ieeexplore.ieee.org
In this paper we apply some state-of-the-art ontology technologies for representing robots'
capabilities and tasks and for exploiting these ontological models in the activities of a …