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
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...
Tree-Structured Multiple Description Coding
Journal of VLSI signal processing systems for signal, image and video technology - Tập 33 - Trang 287-294 - 2003
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 ...
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
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 ...
Introduction
Journal of VLSI signal processing systems for signal, image and video technology - Tập 4 - Trang 95-96 - 1992
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
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...
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
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....
Heterogeneous Simulation—Mixing Discrete-Event Models with Dataflow
Journal of VLSI signal processing systems for signal, image and video technology - - 1997
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...
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
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...
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
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...
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
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...
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