Journal of VLSI signal processing systems for signal, image and video technology

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Power Efficient Folding of Pipelined LMS Adaptive Filters with Applications to Wireline Digital Communications
Journal of VLSI signal processing systems for signal, image and video technology - Tập 25 - Trang 199-213 - 2000
Ahmed F. Shalash, Keshab K. Parhi
In this paper, a new two-step algorithm is introduced for power efficient implementation of the folding algorithm transformation of the LMS adaptive FIR filters. The first step handles the scheduling within the folding sets to reduce the switching activity using a greedy algorithm solution for the traveling sales person (TSP) NP-hard problem. The greedy algorithm gives a sub-optimal solution of th...... hiện toàn bộ
Tree-Structured Multiple Description Coding
Journal of VLSI signal processing systems for signal, image and video technology - Tập 33 - Trang 287-294 - 2003
Jean Cardinal
Multiple description coding aims at transmitting two mutually refinable descriptions of a signal on two different communication channels. It is successfully applied to transmission of sound and images on diversity systems or packet-switched networks. We present novel algorithms for the design of multiply descriptive tree-structured vector quantizers with linear encoding complexity that improve on ...... hiện toàn bộ
Audio Coding for Representation in MIDI via Pitch Detection Using Harmonic Dictionaries
Journal of VLSI signal processing systems for signal, image and video technology - - 1998
Nicholas J. Sieger, Ahmed H. Tewfik
The search for a flexible and concise alternate representation for digital musical sound leads to the proposal for the use of the MIDI (Musical Instrument Digital Interface) protocol. The problem becomes one of automating the conversion process from sound to MIDI. This requires processing musical sound and extracting the information necessary to represent the sound as MIDI data. We have conducted ...... hiện toàn bộ
Introduction
Journal of VLSI signal processing systems for signal, image and video technology - Tập 4 - Trang 95-96 - 1992
Kung Yao
A Hybrid Neuro-Fuzzy System for Adaptive Vehicle Separation Control
Journal of VLSI signal processing systems for signal, image and video technology - Tập 21 - Trang 15-29 - 1999
I-Chang Jou, Chung-Jyi Chang, Huey-Kuo Chen
The primary purpose of this paper is to develop a robust adaptive vehicle separation control in the increasingly important roles of intelligent transportation system (ITS). A hybrid neuro-fuzzy system (HNFS) is proposed for developing the adaptive vehicle separation control to minimize the distance (headway) between successive cars. This hybrid system consists of two modules: a headway identificat...... hiện toàn bộ
VLSI Photonic Ring Multicomputer Interconnect: Architecture and Signal Processing Performance
Journal of VLSI signal processing systems for signal, image and video technology - Tập 40 - Trang 57-72 - 2005
Roger Chamberlain, Mark Franklin, Praveen Krishnamurthy, Abhijit Mahajan
This paper presents the architectural design of a multicomputer interconnection network based on the use of optical technology. The performance of the system is evaluated on a set of signal processing applications. The interconnect uses Vertical Cavity Surface Emitting Lasers (VCSELs) and flexible fiber image guides to implement a physical ring topology that is logically configured as a multiring....... hiện toàn bộ
Heterogeneous Simulation—Mixing Discrete-Event Models with Dataflow
Journal of VLSI signal processing systems for signal, image and video technology - - 1997
Wan-Teh Chang, Soonhoi Ha, Edward A. Lee
This paper relates to system-level design of signal processing systems, which are often heterogeneous in implementation technologies and design styles. The heterogeneous approach, by combining small, specialized models of computation, achieves generality and also lends itself to automatic synthesis and formal verification. Key to the heterogeneous approach is to define interaction semantics that r...... hiện toàn bộ
Blind Stochastic Feature Transformation for Channel Robust Speaker Verification
Journal of VLSI signal processing systems for signal, image and video technology - Tập 42 - Trang 117-126 - 2006
K.K. Yiu, M. W. Mak, M. C. Cheung, S. Y. Kung
To improve the reliability of telephone-based speaker verification systems, channel compensation is indispensable. However, it is also important to ensure that the channel compensation algorithms in these systems surpress channel variations and enhance interspeaker distinction. This paper addresses this problem by a blind feature-based transformation approach in which the transformation parameters...... hiện toàn bộ
Technology Road Map to Methodologies for Mixed-Signal System Design and Simulation
Journal of VLSI signal processing systems for signal, image and video technology - - 1999
Robert L. Ewing
Unfortunately, the best solution for one mixed-signal design, is not the best solution for all mixed-signal designs. This is especially true in light of today's microwave applications that span the range from low-power, low-performance type of devices, through high-power, high-frequency and high-performance applications. Digital designs are automated through the use of the VHDL hardware descriptio...... hiện toàn bộ
Real-time high-energy physics applications on DECPeRLe-1 programmable active memory
Journal of VLSI signal processing systems for signal, image and video technology - Tập 12 - Trang 21-33 - 1996
Laurent Moll, Jean Vuillemin, Philippe Boucard, Lars Lundheim
The future Large Hadron Collider (LHC) to be built at CERN1 by the turn of the millenium, provides an ample source of challenging real-time computational problems. We report here some results from a collaboration between CERN EAST2 (RD-11) group and DEC-PRL PAM3 team. We present implementations of the four foremost LHC algorithms on DECPeRLe-1 [1]. Our machine is the only one which presently meets...... hiện toàn bộ
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