The Proceedings ofThe 7th International Conference on

Signal Processing Applications & Technology

Boston, Massachusetts, USAOctober 7-10, 1996

Volume 2

Produced and sponsored by

m Miller FreemanA I Inircil News A Martin nnhlifnrinnA United News & Media public

600 Harrison Street, San Francisco, CA 94107

©Copyright 1996, by Miller Freeman Inc. All rights reserved. Nopart of this book may be reproduced or copied in any mannerwhatsoever without the written permission of Miller Freeman Inc.

UB/TIB Hannover 89115 351 264

Volume II

Image Processing TechnologiesNew Synthesis Method of a Stereo Image in Lenticular Display Systems 1061Yong-Moo Kwon, Je-Ho Lee, Jin-Ho Ahn, and Sangkuk Kim, Korea Institute of Science and Technology,KOREA

Real-Time Processing and Validation of Optical Ranging in a Cluttered Environment 1066Francois Blais and Mario Lecavalier, Institute for Information Technology, CANADA; Joel Bisson, VitanaCorporation, CANADA

A Distributed System for 100% Inspection of Aluminum Sheet Products 1071William H. Miller, Jay Jaskot, Bill McCoy, and Eddie Schiller, Reynolds Metals Company, USA

Image Understanding/RestorationFeature Extraction for Handwritten Character Recognition 1076Khue-Hiang Chan, National University of Singapore, REPUBLIC OF SINGAPORE; Sevki S. Erdogan andGeok-See Ng.School of Applied Science, REPUBLIC OF SINGAPORE

Detection of Targets in Multispectral Infrared (IR) Image Processing UsingNonlinear Adaptive Algorithms 1081Mohammad Y. Abu-Tahnat, Colorado State University, USA

Yet Another Anti-Aliasing Technique for Computer-Generated Images 1086Francisco Moran, Universidad Politecnica de Madrid, SPAIN

Fuzzy Binarization and Segmentation of Text Images for OPCR 1091Mario I. Chacon, New Mexico State University, USA

Image Recognition Based on Neural Trajectories 1096Alexandre Tornice and Euvaldo Ferreira Cabral Jr., University of Sao Paulo, BRAZIL

Real-Time Hand Printed Character Recognition on a TI DSP 1100Christopher Chang and Mansoor Chishtie, Texas Instruments, USA

Moving Objects Extraction for Image Sequence Analysis by Cone and Kalman Filtering 1105Jae-Ho Choi, Seung-Phil Lee, and Hoon-Sung Kwak, Chongbuk National University, KOREA

Stochastic Approach for Changeable 2-D Object Recognition 1110Jun-Sik Kwon, Se-Myung University, KOREA; Kug-Chan Cha, Kon-Yang University, KOREA

A Statistical Method for Three Phase Flow Quantification Using Drill Core DualEnergy CT Images 1115Jarle Strand and Torfinn Taxt, University of Bergen, NORWAY; Rune Sandor, Statoil, NORWAY

Fingerprints Restoration by Fourier Spectral Enhancement 1120Virginia Ballarin, Emilce Moler, Sebastian Torres, Franco Pessana, and Alejandro Inchaurregui, ARGENTINA

A Method of Stroke-Order-Free On-line Character Recognition 1124Katsuhiko Aoki and Takashi Honda, Meiji University, JAPAN

Viewing Distance and Texture Measurement in Natural Scenes 1128I. Whitworth and D.J. Stone, Cranfield University, U.K.

Image Enhancement Via Morphological Filtering 1133Roy L. Campbell, Jr., U.S. Army Engineers Waterways Experiment Station, USA; N.H. Younan, MississippiState University, USA

Independent Motion of Various Separate Graphical Entities 1138Abdullah Amin Wardak, Southhampton Institute, U.K.

Syntactic Identification Using Skeleton Extraction from Energetic Images 1143Sylvie Costa and H. Sedano, DCN Toulon, FRANCE; P.Y. Arques, ISITV, FRANCE; A. Hillion, TelecomBretagne, FRANCE

A System for Invariant Visual Pattern Recognition Using Multilayer FeedforwardNeural Networks 1148Jose Alfredo Costa, Universidad Estudial de Campinas, BRAZIL; Adilson Gonzaga, Universidade De SaoCarlos, BRAZIL

Detecting Fingerprint Singular Points by a Hierarchical Model 1153D.C. Douglas Hung and Ching-Yu Huang, New Jersey Institute of Technology, USA; Jane H.C. Cheng,Bloomfield College, USA

Industrial ApplicationsMotion Control Application of Digital Signal Processing 1158Ben Nohara, Mitsubishi Heavy Industries Ltd., JAPAN

Model-Based Simulation for Ultrasonic Communication Channel Inside Pipeline 1163Yinghui Li, Stephen O. Harrold, and L.F. Yeung, City University of Hong Kong, HONG KONG

New Current Feedback Control Method for Utility Interactive Inverter 1168Hirofumi Nakata, Masaki Eguchi, Tsukasa Takebayashi, and Hirokazu Kodama, Sharp Corp., JAPAN

Introducing Signal Processing Techniques in the High Voltage Laboratories 1173Custodio Dias and A. Almeida do Vale, University of Oporto, PORTUGAL

Automated Noise (NVH) Testing of High Pressure Hydraulic Pumps 1178Stephen Ivkovich, IMPACT Engineering Inc., USA

Optimal Dual Loop Control of Diesel Engines Based on Gain Scheduling Matrix Strategy 1183Thomas W. Flygare, Barber Coleman Co., USA; James P. Bobis, Northern Illinois University, USA

A Method of Monitoring Power Quality Using Neural Networks 1191Daniel S. Iancu and Christian A. DiFranco, Tempo Instruments Inc., USA

Robust Optimal Servo Motor Controller Design 1196Paul Kettle and Aengus Murray, Analog Devices, USA; Anthony Holohan, Dublin City University, IRELAND

Transient Stability Criterion Using Neural Network 1204T. Matsubara and K. Nakamura, Nagoya Institute of Technology, JAPAN; M. Sone, Musashi Institute ofTechnology; H. Fujita, Chubu Electric Power Co., JAPAN

A SHARC Based Ultrasonic Time-Of-Flight System 1209Gordon Wilkinson, Loughborough Sound Images PLC, U.K.

Self-Affine Fractal Models for Compression of Power System Harmonic Data 1214S.R. Kapriellian and C.R. Rojek, Lafayette College, USA

Fault Detection Device for Electrical Power Transformers Using Novel DSP Scheme 1219Hemchandra Shertukde, Hisham Alnajjar, and Uday Prabhune, University of Hartford, USA

Extrapolation of Complex Exponential Forms of Computer SimulationData from Industrial Applications 1224C.C.R. Jones and Ian P. MacDiarmid, British Aerospace Defense, U.K.; Robert Simpson, University of CentralLancashire, U.K.

Manufacture of Fault Diagnostic Device for Electrical Power Transformers (FD2-EPT) 1229R.H. Shertukde, HMS & RHS Inc., USAH.M. Shertukde, University of Hartford, USA

Recovery of Second-Order Force via Higher-Order Statistical Signal Processing 1234Hyungsuk Yoo, Edward J. Powers, David C. Weggel, and Jose M. Roesset, The University of Texas at Austin,USA

Multiprocessor Control of the Operation of Electric Mining Shovel Used in Surface Coal Mines 1239O.P. Roy and T. Thakur, Northeastern Regional Institute of Science & Technology, INDIA; K. Kumar, IndianSchool of Mines, INDIA

Instrumentation and Testing4 DSP32C-Based Low-Cost Card for Real Time Simultaneous Measuring of Quality Parameters inElectric Power Supply Lines 1243E. Armendi, L.A. Leturiondo, J.M. Miguel de Diego, and A. Lazkano, Universidad del Pais Vasco., SPAIN

Speed Measurement of AC Machines Using the Instantaneous Power Spectrum (IPS) 1248Jose Alex Restrepo Z., Universidad Simon Bolivar, VENEZUELA

High Speed DSP-Unit for an EMC Application 1253K.H. Edelmoser, C.C. Anselmi, and E.B. Konzett, Technical University Vienna, AUSTRIA

Comb Filter Structure for Frequency Analysis 1258Christoph Gebauer and Peter Bomhardt, Universitat der Bundeswehr, GERMANY

Application of DSP Techniques in Airborne Evaluation of Ground-Based RadioNavigational Aids 1262Andrew Kun, W. Thomas Miller III, and Kent Chamberlin, University of New Hampshire, USA; Jim Sitton andLarry Brady, Airfield Technology, USA

Real-Time Operating System Simplifies DSP Multiprocessor Application Development 1265Liz Keate, Spectron Microsystems, USA

Power Factor Measurement with THD Correction 1272R. Leidens, J.C. Braga , J.T. Bertuol, M.J.C. Bonfim, and M.V. Lamar, Centro de Instrumentiac,ao Electronica,BRAZIL

A DSP Architecture for Flicker Measurement 1277P. E. Battaiotto, C. F. Christiansen, M. A. Mayosky, and F. Valenciaga, University of La Plata, ARGENTINA

MultimediaMPEG-l/VCD Digital Video Editing 1282Ran Bar-Sella, Nir Shachar, Zelig Weiner, and Nimrod Peleg, Technion ITT, ISRAEL

The IBM Mwave 3780i DSP 1287Nathan L. Bernbaum, Bart Blaner, Don E. Carmon, John K. D'Addio, Frank E. Greico, Al M. Jacoutot,Matthew A. Locker, L. Brad Marshall, David W. Milton, C. Ross Ogilvie, Paul M. Schanely, Paul C. Stabler,and Marc Turcotte, IBM Corporation, USA

Narrowband Multimedia Briefing Device 1292Thomas M. Moran and George S. Kang, Naval Research Laboratory, USA

Development of an MPEG-Based Videoconferencing System fon an IPX Token-Ring LAN 1297B. Kraimeche, A. Lew, Y. Wolf-Sonkin, and J. Ho, The Cooper Union College, USA

A Multipoint Control Unit for Data Conferencing of Low Bit Rate Multimedia Terminals 1302Mirjana Stojanovic, Slobodan Nedic, Jovan Stojanovic, and Ljubica Blazevic, Mihailo Pupin Institute,YUGOSLAVIA

A Single-Chip DSP Implementation of an H.320 Audio Sub-Section 1307Scott Andrew, Signal Processing Associates Pty. Ltd., AUSTRALIA

Neural NetworksNeural Dynamic Associative Memory for Pattern Recognition 1312Fengzhen Wang and John Litva, McMaster University, CANADA; Henry Leung, Defence ResearchEstablishment, CANADA

Neural Network Decoding Approach of Convolutional Code 1317K. Hamidian, J.O. Tuazon, and P. Wang, California State University, USA

Modeling Realistic Neural Systems with a Biologically-Motivated Neural Processor Chip 1323Murray W. Mount and Andrew Paplinski, Monash University, AUSTRALIA

Classification of Chaotic Systems Using Artificial Neural Networks 1328Miguel A. F. Soler and Euvaldo Cabral Jr., University of Sao Paulo, BRAZIL

Fair Play Comparison of Neural Networks and Digital Filter Realization 1333Aleksa Zejak, Dorde Simic, and Institute IMTEL, YUGOSLAVIA; Miroslav Dukic and Branko Kovacevic,YUGOSLAVIA

High Speed Spectral Envelope Estimation Using Neural Networks via DSP Implementation 1338Nobuharu Matsumoto, Hiroyuki Kamata, and Yoshihisa Ishida, Meiji University, JAPAN

Efficient Neural Network Algorithms For IIR System Identification 1343Bhaskara Bhanu Murthy and Ganapati Panda, Regional Engineering College, Rourkela, INDIA

The Application of Neural Networks and Fuzzy Technique in Speaker-IndependentSpeech Recognition 1348Liqing Zhou, Beijing University of Posts and Telecommunications, P.R. CHINA

Intelligent Modular Neural Network for Dynamic System Parameter Estimation 1353Andrzej Materka, Technical University of Lodz, POLAND

The Effect of Noise and Learning Rate on the Generalization Capability of SimpleImage Recognition Artificial Neural Networks 1358Robert Slaviero, Signal Processing Associates Pty. Ltd., AUSTRALIA

A Neural System Architecture for a Text-to-Speech System in Romanian Language 1363Dragos Burileanu and Sorin Marinescu, "Politehnica" University of Bucharest, ROMANIA

Short-Term Load Forecasting in Power Systems Using a General Regression Neural Network 1368W. Charytoniuk and M.S. Chen, The University of Texas at Arlington, USA

A Neural Network Approach for Estimating Aging of Crystal Oscillators 1373T. Ragu Damarla and Wei Su, U.S. Army Research Laboratory, USA

Development of a Novel Digital Communication Channel Equalizer Using Real-Time ImplementableMultilayer Neural Structure 1378Jitendriya Satapathy, Ganapati Panda, and Susmita Das, Regional Engineering College, Rourkela, INDIA

Improvement of Image Quality of X-Ray Fluoroscopy Using Spatiotemporal NeuralFilter Which Learns Noise Reduction, Edge Enhancement and Motion Compensation 1382Isao Horiba and Noburu Sugie, Meiji University, JAPANKenji Suzuki and Shigeyuki Ikeda, Hitachi Medical Corporation, JAPAN

Signal Clustering Using Self-Organizing Neural Networks with Adaptive Thresholds 1387Chin-Der Wann, National University of Singapore, REPUBLIC OF SINGAPORE; Steles C. A. Thomopoulos,INTELNET Inc., USA

Investigation of Arbitrage Opportunities in the Eurodollar Futures Market UsingNeural Networks 1392Victoria N Yung and Ismail Jouny, Lafayette College, USA

Channel Equalization via Fuzzy ARTMAP 1397Jungsik Lee, Charles D. Beach, and Laurene V. Fausett, Florida Institute of Technology, USA

Parallel ProcessingPrecise Interrupt Schemes for Pipelined Processors and a Recommendation for Virtual MemoryProcessor Systems 1402Adam Elbirt, Viewlogic Systems Inc., USA

A Multi-DSP Architecture with Dynamically Reconfigurable Coprocessors 1407Erich Lind, Marco Platzner, and Bernhard Rinner, Graz University of Technology, AUSTRALIA

A High Performance Shared Memory Handshaking Approach for Parallel ProcessorDSP Systems 1412Russell Price, Texas Instruments, USA

Heterogeneous Multicomputers with Several Hundred Processors 1417Gregory Rocco, Mercury Computer Systems Inc., USA

A Multiple SIMD Mesh Architecture for Mulit-Channel Radar Processing 1421Mikael Taveniku, Bertil Svensson, and Anders Ahlander, Chalmers University of Technology, SWEDEN;Magnus Jonsson, Halmstad University, SWEDEN

Butler—a Real-Time Operating System Optimized for Parallel DSP Applications 1428Christoph Welte, Perimos GmbH, GERMANY; Cornellius Kellerhoff, GERMANY

A Room Impulse Response Simulator Based on a Multi-DSP System 1433Reinhard Schneider, Robert Hranitzky, and Reinhold Weiss, Graz University of Technology, AUSTRIA

On the Implementation of Wavelet Transforms in Multicomputer Networks 1438Vidya Manian and Ramon Vasquez, University of Puerto Rico, PUERTO RICO

A Scheduling Algorithm on Various Network Topology Considering Communication Time 1443Kazunori Suwa, Hideaki Matumoto, and Motoaka Sone, Nagoya Institute of Technology, JAPAN; HidekiFujita, S.C. Verma, and Koichi Nakamura, Chuba Electric Power Co. Inc., JAPAN

A Structure of the Arbiter Circuit on Large Scale Multi-DSP System Keeping AccessConflict Down 1448Masashi Yoshida, Nobukaza I. Ijima, and Mototaka Sone, Mushashi Institute of Technology, JAPAN

Real-Time Image Transfer and Processing Using a quad-TMS320 C44 Board 1453Eric Carey, Coreco Inc., CANADA

Application of the Multi-DSP System to Electric Power System Analysis 1459Hideaki Matsumoto, Kazunori Suwa, and Mototaka Sone, Musashi Institute of Technology, JAPAN; HidekiFujita, Chubu Electric Power Co. Inc., JAPAN; Koichi Nakamura, Nagoya Institute of Technology, JAPAN

RadarDistributed Data Fusion for a Maneuvering Target 1464Dong Ryeol Shin, Sung Kyun Kwon University, KOREA; Erik Verriest, Georgia Institute of Technology, USA

Target Tracking by Using the Median Filter as a Preprocessor 1469Wen-Rong Wu and Dah-Chung Chang, National Chiao Tung University, TAIWAN R.O.C.

Designing Complementary Radar Signals with Low Sildelobe Level of MatchedFilter Response 1474Aleksa Zejak, Igor Simic, Zoran T. Golubicic, and Vladimir Smiljakovic, Institute IMTEL, YUGOSLAVIA

Comparative Analysis of Space-Time Adaptive Algorithms with Measured Airborne Data 1479William Melvin, United States Air Force Rome Laboratories, USA; Braham Himed, USA

Random Pulse Radar Signals, Analysis and Evaluation 1484Salwa El-Ramly, Ezat Garac, and Sami Ali Mostafa, Ain Shams University, EGYPT

Optimal Configuration of an Embedded Parallel System for Synthetic ApertureRadar Processing 1489Jeffery T. Muehring and John K. Anthony, Texas Tech University, USA

Radar Target Indentification Using Fractal Based Features 1495Ismail Jouny, S. Kaprielian, and C. Rojek, Lafayette College, USA

Radar Signal Processing in Time Microscale Using Frequency-to-Time andTime-to-Frequency Procedures and Transducers 1500Leslaw Paradowski and Andrezej Pieniezny, The Institute of Radar Technology, POLAND

3D Imaging of Civil Aircraft by Millimeter-Wave Radar 1505Gaspere Galati, A. Manna, Fausto Marti, and Maurizio Naldi, Tor Vergata University of Rome, ITALY

An Architecture for Processing SAR Data Using Distributed Arithmetic Principles 1510A. Benjamin Premkumar, Nanyang Technological University, REPUBLIC OF SINGAPORE

Signal Processing for Low-Cost Radar Technology 1515Barry Scheiner, Roberto Innocenti, and Marvin Conn, Army Research Laboratory, USA

An Estimate for the Optimal Binary Integration Threshold of Radar Targets WithTime-Varying Fluctuation Statistics 1520Thomas L. Frey Jr., Lockheed Martin Tactical Aircraft Systems, USA

Radio Satcom and NAVActive Threshold Control in Three-Level Code Acquisition of Frequency Hopping Radio 1525Dragan Lepir, LOLA Corporation, YUGOSLAVIA; Branislav Todorovic and Milan Sunkevaric, VTI Institute ofElectronic Engineering, Yugoslavia

Modified Early-Late Detector, Providing Both Code Acquisition and TrackingWithout Switching of Mode in Frequency Hopping Spread-Spectrum Receivers 1530Jean-Paul Sandoz, Engineering College of Canton Neuchatel, SWITZERLAND

Beamforming Technique of Array Antenna and its Implementation Using DSP 1535Byung-Seub Lee and S.W. Hong, Hankuk Aviation University, KOREA; S.I. Jeon and C.S. Yim, Electronicsand telecommunications Research Institute, KOREA

Implementation of a Complex Baseband Granlund Combiner on a TMS320C50 DSP 1540Timothy S. Loos, Raytheon E-Systems, USA

A Programmable CDMA IF System for Satellite Communications 1545Rik De Wulf, Veerle Derudder, Marc Engels, and Ivo Bolsens, IMEC Laboratory, BELGIUM; MaryseWouters, Sirius Communications; BELGIUM

Single Low Cost DSP Packs Both RDS and FM Stereo Encoder 1550Mike Bargauan, M.B. International, ITALY

Digital Audio Broadcasting Software Vs. Hardware Solutions 1555Mike Bargauan, M.B. International, ITALY

New Approach on the Improvement of DGPS Positioning Accuracy Using theRLSLFs and a Kalman Filter 1560Se-Chul Chu, Jung-Hun Oh, and Ki-Doo Kim, Kook-Min University, KOREA; Chang-Bok Lee, Korea ResearchInstitute of Standarad and Science, KOREA

Rapid PrototypingNetworked Signal Processing System 1565Paul Conoval and Mack Empey, TASC Inc., USA

Prototyping Quadrature Amplitude Modulation for Two-way Communication onCATV Networks 1570R. Lauwereins and M. Adi,; P. Vandaele, and M. Moonen, Kuleuven-ESAT/BISTA, BELGIUM; P. Schaumont,Imec-VSDM/DISTA, BELGIUM

Rapid Prototyping of High Performance DSP Architectures Targeting FPGAs 1575Sheref Shehata, Baher Haroun, Texas Instruments Inc., USA; AJ . AL-Khalili, Concordia University, CANADA

A Dedicated Microprocessor Design for a Video Codec 1580O. Conet, A. Laprevote, and J. Baina, TDF-C2R, FRANCE

BPSK Demodulator/Bit Synchronizer FPGA Implementation & Benchmarks 1584Thad Genrich, Hughes Information Technology, USA

Specialized ApplicationsWavelet-Based Approach to Determine the Semiconductor-Insulator Interface Parameters 1589K.J. Plucinski, Institute of Electronic Technology, POLAND

Real-Time Realization of Transcription System Based on Comb Filters Using DSPs 1594Tsutomu Saito and Takashi Matsui, Toyota National College of Technology, JAPAN; Hideki Honda andYoshiaki Tadokoro, Toyohashi University of Technology, JAPAN

Robot Localization Using Ultrasonic Beacons 1599Jesus Savage, Fernando Lepe-Casillas, Yukihiro Minami, Carlos Rivera, and Bohumil Psenitcka, University ofMexico, MEXICO

The Computation of Extended-Precision Modular Arithmetic on a DSP Architecture 1603Fernando M.G. Sousa and Pedro H.S. Felix, Instituto Superior de Engenharia de Lisboa, PORTUGAL

Use of Blood Pulse Signature for Identity Verification 1608Lonnie C. Ludeman and Mario I. Chacon M., New Mexico State University, USA

Signal Processor of a High-Resolution Stereo Camera (HRSC) 1613Einhard Ress, DLR Oberpfaffenhofen, GERMANY; Martin Langfeld, Anagramm GmbH, GERMANY

A Multilingual System for Hearing Impaired Education 1618Lourival Lippmann Jr. and Arnaldo Zimmermann, LAC/UFPR-COPEL & CEFET-PR, BRAZIL

A Braille O.C.R. for Blind People 1622Xulio Fernandez-Hermida, Andres Corbacho Rodriguez, Fernando Martin Rodriguez, Universidad de Vigo,SPAIN

Speech Analysis and CodingPitch Estimation Using Discrete Orthogonal Laguerre Functions 1627S.A. Alshebeili and A. Kh. Al-Jabri, King Saud University, SAUDI ARABIA

Pitch Detection of Speech Signals by Dyadic Wavelet Transform 1630Inge Gavat, Matei Zirra, and Valetin Enescu, University "Politechnica" Bucarest, ROMANIA

Enhanced Feature Extraction on Stop Consonants Using Wavelet Transforms 1635Allen Haar and Randy Young, Pennsylvania State University, USA

A New Approach to Variable Rate Time Domain Encoding of Speech 1640Ali A. Obaidi and Gordon B. Lockhart, Leeds University, U.K.

Speech Enhancement Using Higher-Order Statistics 1645Elias Nemer, NORTEL, CANADA; Rafik Goubran and Samy Mahmoud, Carelton University, CANADA

Real Time Implementation of a Code Excited Linear Prediction Algorithm 1651Jahanzaib M. Ali, Umair Ahsun, Aneela Nasir, Noor Sheikh, University of Engineering and Technology,PAKISTAN; Mohammad Usman, CresSoft Inc., PAKISTAN

Real-Time Implementations of the Recent ITU-T Low Bit Rate Speech Coderson the TI TMS320C54x DSP: Results, Methodology, and Applications 1656David Deleam and Jean Pierre Petit, France Telecom-CNET, FRANCE

Hidden Markov Modeling of English Nasal Sounds 1661Aljanad Alyabary and Ben Pinkowski, Western Michigan University, USA

A New Technique in L.P. Analysis/Synthesis of Speech: OSLP 1666Surinder Dhanjal, University College of the Cariboo, CANADA

A 24-kbit/s Wideband Speech Codec for Videoconferencing Systems 1671Yoshiaki Asakawa, Toru Okamoto, Akiko Susa, and Toshiyuki Matsuda, Hitachi Ltd., JAPAN

Bit-Exact, Full-Duplex, Real-Time Implementation of G.729 CS-ACELP on aTMS320C5x Processor 1675Francois Bessette, Sam Kheirallah, and Andy Fung, Castleton Network Systems, CANADA

Implementation of Enhanced Full Rate Speech Codec (Digital Cellular Standard) onATTDSP161x and TI320C3x DSPs 1679Nina Kowalski, Shrirang Jangi, and Weimin Liu, Hughes Network Systems Inc., USA

A Zinc Signal Excited Low Delay Speech Coder with Simulated Annealing Index Assignment 1682Jian Zhang and Tian-Hu Yu, The Chinese University of Hong Kong, HONG KONG

Performance Issues of ISDN Voice Communication Within the U.S. Navy 1687David Heide and Lawrence Fransen, Naval Research Laboratory, USA

Liberal Conference: Real-Time Online Voice Conferencing over Internet 1692CM. Wu, H.S. Lam, and Tan Lee, The Chinese University of Hong Kong, HONG KONG

A Simple and Efficient Coding of Speeech by Recursive and Adaptive Linear Prediction 1697Kazuo Nakata, Hideyuki Miura, and Kin-ichi Higure, Chiba Institute of Technology, JAPAN

TeleCore/EXC—Cost-Effective CELP-Based Voice Coding Engine 1702Rivka Shenhav and James P. Elliot, Rimon Inc., USA

Implementation of the Floating Point ITU-T G.728 Speech Coding Algorithm ona 24-bit Fixed-Point DSP 1707Cole Erskine and Steve Ammon, Analogical Systems, USA

An Adaptive Polynomial Quantization for Speech Compression Systems 1712Hiroto Saito and Shogo Nakamura Tokyo Denki University, JAPAN

Implementation of 16K bps ITU G.721, G.723 ADPCM by Using TMS320C50 DSK 1716Yunseok Cho and Kyongho Han Dankook University, KOREA

A Method to Enhance the Synthetic Speech Quality for Directory Assistance System 1721Sanghun Kim and Minsoo Hahn, Electronics and Telecommunications Research Institute, KOREA

Speech RecognitionCombining Neural Networks Paradigms and Mel-Frequency Cepstral CoefficientsCorrelations in a Speaker Recognition Task 1725Roberto A. B. Soria and Euvaldo F. Cabral Jr., University of Sao Paulo, BRAZIL

Computational Cost and Memory Requirements for Real-Time Speech Recognition Systems 1730Eloi Batlle and Jose A. R. Fonollosa, Universitat Politecnica de Catalunya, SPAIN

A Neural Network-Based Talker System for Portuguese Text 1735Marcio Zeni Prosdocimo and Roseli Francelin, USP-ICMSC-SCE, BRAZIL

An Application of Fuzzy Subsets to the Multi-Speaker Recognition of Isolated Words 1740Gay Tall, ESIGELEC Laboratoire d'Automatique et Informatique, FRANCE

Unsupervised, Text Independent, Speaker Classification 1745Arnon Cohen and Vladimir Lapidus, Ben Gurion University, ISRAEL

Japanese Spoken Word Recognition Using LVQ Based on Phonemic Units 1750Manabu Yoshimura and Takashi Honda, Meiji University, JAPAN;

Spoken Word Recognition Using LVQ Based on DP Matching 1755Hisatoshi Ikuta, Yoshihisa Ishida, and Takashi Honda, Meiji University, JAPAN; Yasuhiko Arai, MatsushitaCommunication Ind. Co. Ltd., JAPAN

Time-Delayed Feature Extraction Method For Improved Speech Recognition 1759Young Mok Ahn, Electronics and Telecommunication Research Institute, JAPAN

Speakers Recognition Using Very Short LPC Synthesis Signals 1764F. Martinez-Gonzalez, A. Garcia-Sanchez, and M. D. Galera-Martinez, Universidad de Murcia, SPAIN

On The Use of Discriminatively Derived Feature Space Transformation in Speech Recognition 1769C. Rathinavelu and L. Deng, University of Waterloo, CANADA

Speech Detection in High Noise Conditions 1774Abel Herrera, Alfredo Ramos, and Karin Yamasaki, Universidad Nacional Autonoma de Mexico, MEXICO

Speech Recognition ImplementationSpeech Recognition Using Speech Image (Spectrogram) 1779M. Ahamdi, N.J. Bailey, and B.H. Hoyle, The University of Leeds, U.K.

A Real Time Robust C/V Segmentation Algorithm for Cantonese 1783Stephen W. K. Fu, C. H. Lee, and Orville L. Clubb, City University of Hong Kong, HONG KONG

Korean Connected Digits Recognition for the Voice Dialing System 1788Seong-Kwon Lee and Soon-Hyob Kim, Kwang-Woon University, KOREA; Tae-Ock Ann, Chon-Buk SanupUniversity, KOREA; Young-Kyu Byun, Seoul Polytechnic University, KOREA

A Practical Gender Identifier 1793Antonio Pedro Timoszczuk and Euvaldo Ferreira Cabral Jr., University of Sao Paulo, BRAZIL

Enhancements in Automatic Speaker Verification and Identification for Large DatabasesUsing Pitch Contour Analysis 1796Luigi E. Bojan, Graphco Technologies Inc., USA; Corneliu Burileanu and Liliana-Michaela Burileanu,University "Politehnica" Bucharest, ROMANIA

An Implementation of Korean Spontaneous Speech Recognition System 1801Hang-Seop Lee, Jun Park, and Hoi-Rin Kim, Electronics and Telecommunications Research Institute, KOREA

Hidden Markov Models for Intonation and Stress Word-Based Recognition 1806H. Suwastio, G. Wade, and I. Barlow, University of Plymouth, U.K.

A Speech Recognizer for Flexible Vocabularies 1811Davide Clementine Carlo Giardina, and Silvio Sperti, Centro Studi e Laboratori Telecomunicazioni, ITALY

Comparing Radial Basis Functions and Multilayer Perceptrons in a Speaker Identification Task ... 1816Antonio P. Timoszczuk and Euvaldo Cabral Jr., University of Sao Paulo, BRAZIL

TransportationSystem for the Real-Time Railway Track Geometry Parameters Evaluation 1821Jacek Burghardt and Janusz Madejski, GRAW, POLAND; Maciej Iwaszkiewicz, Polish State Railways,POLAND

Signal Processor for Millimeter Wave Intrusion Detection Radar 1826Greg Shreve, Ike Ikizyan, and Tom Spieker, TRW Inc., USA

Real-Time FFT-Based Cross-Covariance Method for Vehicle Speed and LengthMeasurement Using an Optical Sensor 1831Fabien Claveau and Michel Poirer, National Optics Institute, CANADA

Knock Detection Using Spectral Analysis Techniques on a Texas Instruments TMS320 DSP 1836Thomas Horner, Texas Instruments Inc., USA

Underwater/SonarArchitecture of a Multifunction Sonar Using the ATM Communication Technique 1841Francois-Xavier Arques and Jean-Yves Morin, Centre Technique des Systemes Navals, FRANCE

Real-Time Detectors Based on Bispectral Analysis and Fourth Order MomentComputation: Real Time Aspects 1846L. Duboisset-Chareyre, P. Rosson, G. Goullet and P. Quetel, Centre Technique des Systemes Navals, FRANCE

Application of Minimum Average Correlation Energy Filter to Sonar Echo Discrimination 1851Emmanuelle Richard, CTSN/DLSM; J.F. Cavassilas, GESSY/ISITV, FRANCE

An Expert System for Underwater Target Noise Recognition 1856Qihu Li, Jinling Wan, Tingting Cai, and Wei Wei, Academia Sinica, P.R. CHINA

A Real Time Multi-Beam DICANNE System 1861Qihu Li, ShuQiu Li, and Jinbo Liu, Academia Sinica, P.R. CHINA

Real-Time Digital Chirp Sonar Systems 1866Changle Fang, Datasonics Inc., USA

Implementation of an Adaptive Noise Canceller on Floating Point Digital SignalProcessor and Real-Time Enhancement of Sonar Receiver Detection Performance 1875Eric Verriest, Institut Superieur d'Electronique du Nord, FRANCE

Design of a Digital Multibeam Sub-Bottom Profiling System in Distributed Architecture 1880William Capell, Kenneth Kiesel, Kushal Talukdar, and Ronald G. Allen, SeaBeam Instruments, USA

VLSI ArchitecturesA Parametrized Real Time Image Convolver 1885M. Aberbour, A. Houelle, H. Maehrez, and N. Vaucher, Universite Pierre et Marie Curie, FRANCE; G.Besencenet, E. Dupont-Nivet, F. Durbin, T. Garrie, and A. Tissot, CEA-DAM, FRANCE

A Novel Pure Systolic Linear Phase FIR for High Speed Applications 1890Ronggang Qi, F.R. Coakley, and B.G. Evans, University of Surrey, U.K.

A Novel VLSI Vector Arithmetic Coprocessor for Advanced DSP Applications 1894Thomas Teufel, Technische Universitat Hamburg-Harburg, GERMANY

Comparison of Three Complex Multipliers 1899Magnus Karlsson, Torbjorn Widhe, Johan Melander, and Lars Wanhammar, Linkoping University, SWEDEN

Design for Low Power 1904Srinivas Pudu and Timothy Johnson, Analog and Digital Integrated Research Laboratory, USA

A Comparison of Three Lattice Wave Digital Filter Implementations 1909Mark Vesterbacka, Kent Palmkvist, and Lars Wanhammar, Linkoping University, SWEDEN

A Hybrid VLSI Electro-Optical Multiplier 1914G.D. King and Zhijian Hu, Southhampton Institute, U.K.

A VLSI Architecture for High-Speed and Variable Code Rate Viterbi Decoder 1918Young-Ba Choi, Daewoo Electronics Co. Ltd., KOREA

WaveletsSpecifications and Standards for Reproducibility of Wavelet Transforms 1923Carl Taswell, Stanford University, USA

Wavelet Transform Analysis of Spread Spectrum Signals Propagating in a Multipath Environment 1928Michael S. Babst and Randy K. Young, Pennsylvania State University, USA

A Simple Wavelet Based Perceptual Audio Coder 1933Fernando Mujica, Georgia Institute of Technology, USA; Francisco D'Alvano, Calogero Bruscianelli, andDavid Ros, Universidad Simon Bolivar, VENEZUELA

The Advantages of Wavelet Signal Processing Techniques in Video Compression 1938Kevin Leary, Analog Devices Inc., USA

An Interactive Wavelet Image Processor for Xwindows 1944Mikhail Shnaider and Andrew Paplinski, Monash University, AUSTRALIA

Application of the Wavelet Transform to the Classification of Surface Defects onExtruded Polymer Sheets 1949D. Kiernan, E. Ambikairajah, and P. Rowan, Regional Technical College, Athlone, IRELAND

A Wavelet Based Approach for Acoustic Echo Cancellation 1954Q. Shen and M. Tahernezhadi, Northern Illinois University, USA

1995 PapersAnalog Multirate Image Processing 1959Wang Ping and Jose E. Franca, Instituto Superior Tecnico, PORTUGAL

A Reconfigurable Fast Walsh Transform Architecture for VLSI Implementation 1964Samir Tagzout, Youssef I. El-haffaf, and Abdelkrim K. Oudjida, Development Centre of AdvancedTechnologies, ALGERIA

An Experiment on Speaker Identification Using Wavelets and Multiresolution Analysis 1969K. Gopalan, Purdue University Calumet, USA