The Proceedings of

The 5th International Conference on

Signal Processing Applications & Technology

Dallas, Texas, USA

October 18-21,1994

Volume II

UNIVERSITATSBIBLIOTHEKHANNOVER

TECHNISCHEINFORMATIONSBIBLIOTHEK

©DSP AssociatesUB/TIB Hannover 89114 276 196

-VOLUME II-

•IMAGE ANALYSIS & CODING

Flexible Image Compression: A Transformative-lnterpolative ApproachKrishna C. Ratakonda, Univ. of IL-Champaign, USA

Fractal Compression of Data StructuresAndre Szykier, Cross/Z International Inc., USA

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New Corrective Binarization Method for Fingerprints, Flavio A.P. Soares, 893Jose" C M . Bermudez, Orlando Jose" Tobias, and Rui Seara,Univ. Federal de Santa Catarina, BRAZIL

Jing Using an Adaptive Neural VQ Model and Its DSP 899Implementation, Fisseha Mekuria, University of Linkoping, SWEDEN

An Adaptive Image Compression Scheme Based on Wavelet Transform and 904Hybrid DCT/VQ/SQ, Chih-Chwen Chuang, Ind.Tech. Research Inst., TAIWAN

Analysis of a Complexity Reduction Algorithm in Fractal Image Coding 910Geir E. 0ien and Skjalg Lepsoy, Rogaland Univ. Ctr., NORWAY

Spatio-Temporal Small Object Detection 916D.j. Ridge, Short Brothers PLC, UK; J.V. McCanny, Queen's Univ. of Belfast, UK

Design and Evaluation of Programmable Video Codec Board (VC64) 922Isamu Goto, Hisashi Ibaraki, Shizuo Nakano, and Tsuyoshi Fujimoto, NTT, JAPAN

A Multiprocessor-Based Adaptive Image Vector Quantizer in the DCT 928Domain, P.J. Kulkarni and P.P. Kulkarni, KIT'S College of Engineering, INDIA

3-D Sub-Band Coding of Videoconference Sequences 933Tirso Alonso, Minsky Luo, Homayoun Shahri, and Donald J. Youtkus, AT&T Bell Labs. USA

Differential Model-Based Moving Object Segmentation in Dynamic 939Monocular Sequences, Jose* Manuel Menendez, E. Rendon, L. Salgado,and N. Garcia, Univ. Politecnica de Madrid, SPAIN

•IMAGE CODING (POSTER SESSION)

Segmented Image Coding for Progressive Image Transmission 945Krit Panusopone, Kuntima Sarika, and Fusak Cheevasuvit,King Mongkut's Inst. of Technology, THAILAND

Perceptual Block Truncation Coding 950Z.Q. Cai and V.N. Tran, Deakin University, AUSTRALIA

Categorized Vector Quantization Using a New Distortion Measurement 955Ou Zhao, AlliedSignal Aerospace Company, USASushi I DasGupta, Temple University, USA

Optimal Edge Detection Algorithm Applied to Morphological Characterization 961of Matrix Bone Cell, A. Houri and L. Bourges, Univ. de Nice S-A, FRANCE

Wavelet Construction Using Beta Functions for Image Data Compression 967Seyed M. Hamidi, Reza R. Adhami, and Lori M. Bruce, Univ. of Alabama, USA

Combination of the Error Estimators in Image Data Reduction 971Masahiro Fujimoto, Fukuyama University, JAPANMasayo Fujimoto, Doshisha University, JAPAN

Image Compression Using Compactly Supported Wavelets 976Seyed M. Hamidi and Reza R. Adhami, Univ. of Alabama - Huntsville, USA

Pruned Discrete Cosine Transform Algorithms for Image Compression 980Mohamed El-Sharkawy and Waleed Eshmawy, Purdue University, USA

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•IMAGE PROCESSING TECHNOLOGY

High-Performance Image Capture and Display System 986Clyde DeLuca, Daniel McCarthy, Michael E. Younger, and Michael S. Patterson,Army Research Laboratory, USA

High-Performance 1-D CCD Imager ModuleCary L. Bright, Mark M. Giza, Bill Lawler, and Michael S. Patterson, Army Research Lab., USA 992

•IMAGE UNDERSTANDING/RESTORATION

Recognition of Handwritten Farsi Numerals by Zernike Momemts Features 998and a Set of Class-Specific Neural Network Classifiers, M.H. Shirali-Shahrezaand Karim Faez, Amirkabir Univ. of Tech., IRAN; Alireza Khotanzad, SMU, USA

Application of a Constrained Deconvolution Approach to 3-D Optical 1004Microscopy Using Magnitude and Complex OTFs, Richard A. Lee andMoe Razaz, University of East Anglia, UK; Peter J. Shaw, John Innes Institute, UK

Improving the Recovery of the Micro-Geometry of Object Surfaces by Fourier 1008Scaling, N. Sotoudeh and G.F. Goldspink, Middlesex University, UKG.R. Greatrix, University of Teeside, UK

Comparisons of Parallel Iterative Noise Filters for Real-Time Image Processing 1015Hong Tang, Bingbing Zhou, Ian Macleod, Richard Brent, and Wei Sun,Australian National University, AUSTRALIA

Textures in Objects and Images 1021J.C. Aparfcio Fernandes, Universidade do Minho, PORTUGALJ.A. Campos Neves, INESC Porto, PORTUGAL

Inference of Physical Texture from Visual Texture for Autonomous Vehicle 1025Scene Interpretation, Ian R. Whitworth and Bayazid K. Khondhar, Cranfield Univ., UK

Inverse Problems in Acoustical Imaging 1031Nassim Seghouani and Claude Nouals, ENSICA, FRANCE

•IMAGE UNDERSTANDING/RESTORATION (POSTER SESSION)

Contoured Guided 3-D Sementation for Medical Images 1037Xiaohan Yu and Juha Yla-jaaski, Technical Research Center, FINLAND

Using 2-D FFTs for Object Recognition, Matt Perry, Motorola Inc., USA 1043

•INDUSTRIAL APPLICATIONS

The Implementation of Digital Signal Processing-Based Imaging in a 1049Closed-Loop Video Feedback Manufacturing Environment, Bruce R. Mackie,DI/MAC Technologies Inc., USA

An Iterative Learning Control for the Precision Improvement of a CNC 1055Machining Center, K.-Y. Yu, ETRI-Media Applications, KOREA;Chong-Ho Choi and T.-J. Jang, Seoul Naf I. Univ., KOREA

An Automatic Inspection Algorithm for Use in the Ceramic Industry 1061Orlando J. Tobias, Rui Seara, Jose" C M . Bermudez, and Flavio A.P. Soares,Univ. Federal de Santa Catarina, BRAZIL

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The Simulation and Application of Adaptive Filtering on an Industrial 1066Checkweigher, M. Tariq, W. Balachandran, M. Halimic, F. Cecelja, andY.M. Enab, University of Surrey, UK

A General Purpose Flexible DSP56001 Development System for Motion 1072Control Applications, Wei Cheng, C.J. Bonanno, and Longya Xu,Ohio State Univ., USA

Acoustic-Based Real-Time Partial Discharge Location in Model Transformer 1077Atsushi Noro and Kouichi Nakamura, Nagoya Institute of Technology, JAPANToshihide Watanabe and Tadashi Morita, Fuji Electric Company, JAPAN

Simulation of Industrial Production Systems on a Muhi-DSP ArchKecture 1083Christian Steger and Reinhold WeiB, Graz Univ. of Technology, AUSTRIA

A Brushless DC Motor Controller Using DSP with Fuzzy Rules 1089C.K. Lee and W.H. Pang, Hong Kong Polytechnic, HONG KONG

A Digital Signal Processor-Based LQG Controller for a Servo System 1095M.J. Er, Nanyang Technological University, SINGAPORE

Induction Motor Control Using TMS320 DSP Chips 1099F. Pourboghrat, Southern Illinois Univ., USAI. Panahi, Texas Instruments, USA

Control Expert Advisor 1103P. Klfin and J. Marsfk, Czech Acad. of Sciences, CZECH REPUBLIC

Application of DSP 32C to Advanced AC Motor Control 1109Isabel del Valle, Ignacio Lobo, and Santiago Lorenzo,Univ.de Valladolid-ETSII, SPAIN

Optimizing DSP for Use in Digital Brushless Motor Control 1115Matthew Finnie, Analog Devices Inc., USA

•INSTRUMENTATION & TESTING

Digital Simulation of Analog Systems Application 1122Daniel S. lancu and Antonio R. Pin ho, Medical Lab. Automation, USA

A DSP-Based Technique for RC Measurements under High-Voltage 1128Interferences, Jacob Fainguelernt, Ishai Schwarzband, and George Agizim,TELRAD, ISRAEL

Smart Load Cells Based on Switched-Capacitors 1134C. Couto and Jose" Higino, Universidade do Minho, PORTUGAL

Digital Filtering for Data Compression in Telemetry Systems 1140R. Michael Bell, Sandia National Laboratories, USA

DSP Control of Superconducting Quantum Interference Devices 1146Roger Bracht, Pangjen Kung, Paul Lewis, and Edward Flynn,Los Alamos Nat11 Lab., USA

A Mass-Producible, Low-Cost Fourier Transform Spectrophotometer 1152Mark J. Ross and Oscar Stafsudd, UCLA, USA

The Design of a Multi-Function Frequency Counter System 1158Kok-Wan Tay and J.R. Horng, Nan-Tai Coll. of Tech. & Commerce, TAIWAN,Y.N. Chung, Da-Yeh Institute of Technology, TAIWAN, R.O.C.

Tangent Extraction Method Based on the Mathematical Morphology 1163Operators: Application to Optical Metrology, N. Giraud, R. GriseT,and C. Ducarouge, ICPI - Lyon, FRANCE

•MULTIMEDIA

High-Speed Motion Picture Coding Using the Heirarchical Heterogeneous 1167Multi-Processor System, Sang Hoon Choi, Jong Sook Park, and Yong Gil Kim,GOLDSTAR, KOREA; Chae Wook Lim and Kyu Tae Park, Yonsei Univ., KOREA

A Multi-Standard Video Codec Architecture for the ISA/VL Bus 1173David J. Fairfield, Array Microsystems Inc., USA

Co-Development of User Interface, Control, and Digital Signal Processing 1179with the HTM Environment, Adrian Freed, University of California, USA

A PC-Based Multimedia DSP Development Environment 1184Michael F. Tighe, Intermetrics, USA

Application of a Multi-Purpose Analog Front-End Chip for Multimedia and 1190Communications, Maury Wood, Analog Devices, USA

Voice Applications in a Multimedia Financial Information Terminal 1194Michael Gaudette, DSP Software Engineering Inc., USA

The Evolution of the Audio PC: What the Next Few Years Will Bring 1200Eileen Carlson, Integrated Circuit Systems Inc., USA

Visual Basic and the Windows DSP RMI Simplify Access to PC-Based 1206DSP Resources, Robert Frankel, Spectron Microsystems, USA

•NEURAL NETWORKS

Lossless Compression of Muhi-Spectra Satellite Images Using Neural Networks 1212Soon Ing Yann and Yeo Chai Kiat, Nanyang Tech. Univ., SINGAPORE

- Spoken Word Recognition by Neural Networks Using Adaptive Inverse Filters 1218I Tetsuya Hoya, Hitoshi lhara, and Yoshihisa Ishida, Meiji University, JAPAN

Application of Neural Networks to Adaptive Filtering and Control 1222G. Horvath and R. Dunay, Technical Univ. of Budapest, HUNGARY

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Self-Organized Recurrent Neural Network for Classifying Spatio-Temporal 1228Data, Kyong Hi Moon, Kwang Baek Kim, Eui Young Cha, and Tae-Soo ChonPusan National University, KOREA

Character Recognition Neural Network Implementation on a DSP 1234Victor Demjanenko, Vocal Technologies Ltd., USANiaqian Lu, SU NY-Buffalo, USA

Neural Networks for a Simpler Control of Synthesis Algorithm of Musical 1240Tones and for Their Compression, Roberto Bresin and Alessandro Vendovetti,University di Padova, ITALY

•NEURAL NETWORKS (POSTER SESSION)

A New Energy Function of Mean Field Hopfield Network for Measurement 1246Data Association, Fengzhen Wang, Titus Lo, and John Litva, McMaster Univ.,CANADA; Eloi Bosse, Defence Research Establishment, CANADA

Functional Link Artificial Neural Netwok Model for Channel EqualizationJagdish C. Patra and Ranendra N. Pal, Indian Inst. of Technology, INDIA

A New Complex Neural Network-Based Decision-Feedback Equalizer:Application to Band-Limited Non-Linear Satellite Links, Manouchehr Rafieand William Newman, Alta Group of Cadence Design Systems, USA

•NOISE CONTROL APPLICATIONS

Adaptive Noise Reduction Control Using a 24-Bh Fixed-Point Digital SignalProcessing System, Antonio Ernesto R. Tarroza Jr. and Vincent Peter C. Valentus,AdvancedScience & Tech. Inst., PHILIPPINES

Fixed-Point DSP Implementation of Active Noise Control SystemsSen M. Kuo, Northern Illinois University, USA; Issa Panahi, Mark Nadeski,Jason Chyan, and Tom Horner, Texas Instruments, USA

Hybrid Active Noise Control SystemsSen M. Kuo, Northern Illinois University, USADipa Vijayan, Texas Instruments, USA

Enhancement of Speech Using a Microphone ArrayAristos Nkansa-Kissi and R. Root, Lafayette College, USA

•PARALLEL PROCESSING

Advanced Parallel Architectures for Real-Time Control, M.O. Tokhi,M.A. Hossain, M.J. Baxter, and P.J. Fleming, Univ. of Sheffield, U.K.

Interactive Parallel Volume RenderingTed Bapty, Brian Ball, and Ben Abbott, Vanderbilt Univ., USA

A SIMD/MIMD-Organized General-Purpose Systolic ArrayAnil Mahanta and S. Baishya, Indian Inst. of Tech. - Kanpur, INDIA

Wavelets and Wavelants: Their Parallel Implementation 1301M. Devlin, Nat'l Engineering Laboratory, UK

Parallel Processing of Transient Stability Analysis Using a Multi-DSP System 1305Hideaki Matsumoto, Jun Onuki, Hisashi Azegami, and Mototaka Sone, Musashi Inst. ofTech., JAPAN; Hisayuki Kurebayashi and Hideki Fujita, Chubu Electric Power Co., JAPAN;Kouichi Nakamura, Nagoya Inst. of Tech., JAPAN

High-Speed Calculation of Simultaneous Equations on a Multi-DSP System 1311Hisashi Azegami, Jun Onuki, Nobuyuki lijima, and Mototaka Sone,Musashi Institute of Technology, JAPAN

A Parallel Architecture Based on the Shared Memory Pram, Michael Lindig, 1317CINTEC-IPN, MEXICO; Francisco Garcfa Ugalde, DEPFI-UNAM, MEXICO

An Investigation into Using C40 Networks for Real-Time Image Processing 1323Edward Young and John Edwards, Loughborough Sound Images, UK

•PARALLEL PROCESSING ALGORITHMS (POSTER SESSION)

Parallel Implementation of Eigendecomposhion, L.S. DeBrunner, 1328V.E. DeBrunner,& W.D. Ballew, Univ. of Oklahoma, USA; S.A. Ahmed, BNR Inc., USA

The Parallel Computational Structures for Multichannel Digital Signal 1333Processing Using Large Arrays, Alexander L. Andreyev,St. Petersburg Acad. of Aerospace, RUSSIA

•RADAR

Digital Signal Processing in a Spaceborne Radar Altimeter 1338R.D. Crowley and D.M. Walker, E-Systems Inc., USA

Analysis of a Velocity Processor for Ultrawideband Radars with Zero 1344DC Pulses, S. Hussain and H. Al-Ahmad, University of Bradford, UK

Digital Signal Processing in Active Acoustical Phased-Array Radar 1350Jamie Blatt, Data Translation Inc., USA

A TMS320C40-Based Radar Video Generator for Training and Simulation 1355Stephen J. Obermaier, SYSCON Corp., USALawrence R. D'Addario, White Mountain DSP, USA

A Parallel Signal Processing System for HF Ground Wave Radar 1361Qing-Xiang Zhang and Ning Zhang, Harbin Inst. of Tech., PR CHINA

Using the Inverse Chirp-Z Transform for Time-Domain Analysis ofSimulated Radar Signals, Dean A. Frickey, Idaho National Eng. Lab., USA

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•RADAR (POSTER SESSION)

An Approximation to the Optimal M of N Detection Criteria for 1372Non-Fluctuating Targets and Exponentially Fluctuating Radar Targets,Thomas L. Frey and Scott P. Bergen, Lockheed Fort Worth, USA

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Parallel Processing of an Adaptive Antenna Array, Kamel Bouchefra, ESIEIGT, 1378FRANCE; Timothy Hanson, Gaullaudet Univ., USA; Bryan Riley, General Motors, USA

Fast Polarization Filtering for Radio Disturbance Suppression 1384Xiaolin Qiao and Yongtan Liu, Harbin Inst of Tech., PR CHINA

Semi-Infinite Quadratic Optimization Method for the Design of Array 1390Patterns with Prescribed Nulls, Zhong Liu and Zhiwen Zhu,Nanjing Univ. of Science & Tech., PR CHINA

Wavelet Transformation in the Direction of a Transient Signal 1394Andre' Quinquis and Christian Dugal, ENSIETA, FRANCE

Fault Diagnosis of Array Antennas Using Walsh Functions 1399V. Prithviraj and A.K. Mai lick, Indian Inst of Technology, INDIA

•RADIO, SATCOM & NAV

DSP-Based Secure Systems for Digital Speech Communication over the 1405PSTN and via Radio, Fernando M.G. Sousa, Inst. Sup. de Eng. de Lisboa, PORTUGAL

DSP-Aided Fast Acquisition Modem 1411Mark Webber and Daniel Chinen, Fairchild Data Corp.,USA

Skyphone Data Communications Service 1417M.A. Davies and ICG. Evans, University of Liverpool, UK

A DSP-Implementation of a Method for Classification of Analogue 1423Modulated Radio Signals, Peter Nagy, National Def. Research Est, SWEDEN

Single Sideband Modulator Implementation Using the ADSP-2101 EZ-Lab 1429Board, Hyung W. Paik and Tim W. Grablander, SD Sch. of Mines & Tech., USA

The Application of Adaptive FIR Filters to Precise Navigation, Joe Toth, 1435UNISYS Canada; R. Mason and K. Runtz, Univ. of Regina, CANADA

Techniques for Low Power GPS Receivers 1441Menahem Lowy, Univ. of Texas - Arlington, USA

Innovative Use of DSP Technology in Space: FORTE Event Classifier 1447Scott Briles, Kurt R. Moore, Rollin Jones, Philippe Blain, Phillip Klingner, Daniel Neagley,Michael Caffrey, Karen Henneke, and William Spurgeon, Los Alamos National Lab., USA

Exploring the Design Space of a DSP-Based Mobile Satellite Receiver 1453Heinrich Meyr and Sebastian Ritz, Aachen Univ. of Tech., GERMANY

Application of FPGA Device in the Design of a Systolic Array Viterbi Decoder 1459Norlaili Mohd. Noh and Rezaul Hasan, Universiti Sains Malaysia, MALAYSIA

•RADIO, SATCOM & NAV (POSTER SESSION)

The Modeling of FM/TV Signal Spectrum and Comparison with INTELSAT 1465Measurement Model, Ill-Keun Rhee and Se-Hoon Kim, Han-Nam Univ., KOREA;In-Kyeong Choi, KAIST, KOREA; Jae-Hong Park, and Se-Kyeong Park, ETRI, KOREA

Adaptive Decision Feedback Equalization for Asynchronous DS-CDMA 1471Communication Systems, Zhenyu Tang and Shixin Cheng,Southeast University, PR CHINA

•ROBOTICS

A Dynamic Robot Measurement System Based on a Floating Point Digital 1476Signal Processor, H. Gander, M. Vincze, K. Filz, J. Prenninger, and G. Zeichen,Technische Universitat Wien, AUSTRIA

High-Speed Optical Serial Link for WEDSP 32C-Based Real-Time Control 1482System, Roberto Oboe, University of Padova, ITALY

Real-Time Simulation and Control of Flexible Robot Manipulators 1488M.O. Tokhi and A.K.M. Azad, University of Sheffield, U.K.

Sonar Data Processing for the Navigation of a Mobile Robot, 1494Francisco Pedrosa and M. Isabel Ribeiro, Istituto Superior Te"cnico, PORTUGAL

Hidden Control Neural Network Identification-Based Tracking Control 1500of a Flexible-Joint Robot, Hunmo Kim, Samsung Data Systems Co. Ltd., KOREAJoey K. Parker, University of Alabama, USA

•SPECIALIZED APPLICATIONS

A DSP96000 Automatic Inspection System for Printed Circuit Boards 1504Mohamed El-Sharkawy and Waleed Eshmawy, Purdue University, USA;Ken Reid, Electronics Manuf. Productivity Fac, USA

Automatic Bubble Size-Detection Using the Zoom FFT 1511John Edwards, Loughborough Sound Images, UK

Digital Signal Processing for a Microprocessor-Based Ultrasonic Ranging 1517System, Robert X. Gao and Chuan Li, Louisiana Tech. University, USA

Quality Determination of Seed by X-Ray Testing and Computerized Image 1523Analysis, G. Polder, G.W.A.M. van der Heijden, W.J. van der Burg,andJ.W. Aartse, CPRO-DLO, NETHERLANDS

Beef Quality Grading Using Ultrasound Signal Processing, Alpesh Patel, 1529Viren Amin, Ronald Roberts, Doyle Wilson, & Gene Rouse, Iowa State Univ., USA

A New Decoding Algorithm for Binary Bar Codes 1534-BJoe (Zuguang) Cai, Symbol Technologies Inc., USA

•SPEECH CODING

Encoded Speech Intelligibility Improvements in the F/A-18 Noise 1535Environment Using Spectral Subtraction Pre-Processing, David Heide,Naval Res. Lab., USA

A Real-Time Implementation of Formant Vocoder 1541Amir Aalam Ghazanfarian, Mohammad Reza Nakhai, and Mahmoud Tabiani,Sharif University of Technology, IRAN

•SPEECH CODING (continued...)

Real-Time Implementation of a Variable Rate CELP Speech Coder 1547Robert Zopf, Miron Cuperman, and Vladimir Cuperman,Simon Fraser University, CANADA

Detection of Transient Signal by Optimal Choice of a Wavelet 1553Zheng Liu, Nagoya University, JAPAN

Two Band Excited Linear Predictive Speech Coding for Mobile Satellite 1557Communication Systems, S. Yeldener, and A.M. Kondoz, and B.G. Evans,University of Surrey, UK

A Low-Complexity High Quality Speech Coder for Multimedia Applications 1561Albert Hsuen, Eyal Shlomot, Qiang Ye, Mike Simpson, D. Braun, and Jim Johnston,Rockwell Int'l. Corp., USA

Development of a Diphone-Based Korean Text-to-Speech Conversion 1567System, Minsoo Hahn, Siong Hun Yi, and Dong-Gyu Kang, ETRI, KOREA

Improving Time-Scale Modification of Audio Signals Using Wavelets 1573Miguel Angel Rodrfguez-Hernandez and Francisco Javier Casajus-Quiros,ETSI Telecomunicacion, SPAIN

A Complexity Reduction Method for VSELP Coding Using Overlapped Sparse 1578Basis Vectors, Ho Seung Shin, Samsung Electronics, KOREA; Seong Jong Park,Sung Joo Kim, and Yung Hwan Oh, KAIST, KOREA

Speech Coders: G.711 and G.721 Implementation on the Motorola 1583DSP56100 Family, N.K. Sancheti, R. Subramaniyan, N. Srinivasa, and A. Hiregange,Motorola India Electronics, INDIA

Real-Time Implementation of an 8-kbps Low-Delay CELP Coder 1588S.P. Chui and C.F. Chan, City Polytechnic of Hong Kong, HONG KONG

Investigations on the Full Duplex Implementation of the CCITT G.728 159416-Kbhs/sec LD-CELP Speech Codec, Zhao Chen, Kishan Jainandunsing, Kay Das,and Victor Huang, Institute of Microelectronics, SINGAPORE

Real-Tune Implementation of a Full-Duplex Wavelet-Based Monophonic 1600Audio Coder Using Two TMS320C31 Chips, Murtaza Ali and Ahmed H. Tewfik,University of Minnesota, USA; Vishu R. Viswanathan, Wally Anderson, andJon Rowlands, Texas Instruments, USA

Non-Uniform Sampling Delta Modulation for Digital Audio 1606Y.S. Zhu and S.W. Leung, City Polytechnic of Hong Kong, HONG KONG

Implementation of Fixed-Point Low-Delay CELP on a Single ADSP-2171 1610Cole Erskine and Steve Ammon, Analogical Systems, USA

An Audio Codec Design for a Video Conferencing System Using the Motorola 1616DSP56156, Peter Cornell, British Telecom Labs, UK; Charles Cox, Signals &Software Ltd., UK; and Mary Murphy, Motorola Inc., USA

Quality of Speech Codecs In Indoor Wireless Environment 1627Tony C.F. Ng, Hong Kong Polytechnic, HONG KONG

•SPEECH CODING (POSTER SESSION)

On Obtaining Parameters for a Model of Arabic Speech Production 1628Iman A. Maaly and Abdel R. Elobeid, University of Khartoum, SUDAN;Assim Sagahyroon, Northern Arizona University, USA

Sub-Adaptive Piecewise Linear Quantization for Speech Signal Compression 1634Isao Umoto, Akira Sasou, Shogo Nakamura, Yoshihiko Horio, and TadahiroKubota, Tokyo Denki University, JAPAN

•SPEECH RECOGNITION IMPLEMENTATION

Language Identification Methods Based on HMMs 1638Allan Reyes, Takashi Seino, and Seiichi Nakagawa,Toyohashi Univ. of Technology, JAPAN

Speech Recognition in Applications for Handicapped People 1644L. Lippmann jr., A.P. Pecoits, H.H.M. de Lima and P. Nohama, COPEL, BRAZIL

Voice Command Recognition Using Fuzzy Logic-Based Digital Filters 1650Christopher Hale and C.Q. Nguyen, Motorola, USA

Speaker Classification Based on Combined Neural Network and 1655Fuzzy Decision, Bin Zhu, Univ. of Science & Technology, PR CHINA;Yisheng Zhu, Shanghai Jiao Tong Univ., PR CHINA

Development of a Speech-Based Menu-Selection Technique for the HiTEL 1661Service in Korea, Hang Seop Lee, Young Joo Seo, Minsoo Hahn, Byeong Nam Yoon,ETRI, KOREA

CSPOT: A Real-World Corpus for Command Spotting 1667Colin W. Wightman and Gabriel Martinez, New Mexico Tech., USA

Advanced Key Word Spotting Algorithm for Vocal Command Recogntion 1671in Telephone Network Applications, Ami Moyal, Zeev M. Rannon, andllan D. Shallom, Natural Speech Communication Ltd., ISRAEL

An Acoustic Approach for Isolated Speech Recognition, A. Herrera, 1677V.R. Algazi, and D. Irvine, Univ. Nacional Aut6noma de Mexico, MEXICO

Commercializing Speech Recognition: Providing the Missing Link 1682Afarin O. Bellisario, Analog Devices, USA; Larry Gillick, Dragon Sys., USA

Wavelet Tranform Speech Recognition Using Vector Quantization, Dynamic 1684Time Warping and Artificial Neural Networks, Mural i Krishnan,Chris Neophytou, and Glenn Prescott, University of Kansas, USA

SPEECH RECOGNITION (POSTER SESSION)

Speech Segmentation and Clustering Based on Acoustic Gender Features 1687M. Sugiyama, University of Aizu, JAPAN

Robust Recognition via the Complex Bicepstrum of the Speech Signal 1692H. Fairhurst and C.C. Goodyear, University of Liverpool, UK

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Development of a Simple VQ-Based Pre-Processor 1697Young Mok Ahn, Hoi Rin Kim, and Kyu Woong Hwang, ETRI, KOREA

•UNDERWATER & SONAR APPLICATIONS

A Signal Processing System for Underwater Acoustic Data Telemetry 1700Paulo Osorio, Jacques Szczupak, Alexandre Yamaoka, Paulo Pereira, andRogerio Alves, PUC-Rio, BRAZIL

Design of an Underwater Acoustic Simulator with Programmable DSPs 1705Gerald Roletter, Naval Air Warfare Center, USA;Prashant Gandhi, Villanova University, USA

•VLSI ARCHITECTURES

A Systolic Structure for Median Filters 1711Zhijian Hu, G.A. King, and P. Adamopoulos, Southampton Inst., UK;D. Al-Dabass, Nottingham-Trent University, UK

VLSI Architecture for the Data Encryption Algorithm IDEA with Advanced 1715On-Line Buih-in Self-Test, Stefan Wolter, Research & Technology Centre, GERMANY;Holger Matz, Andreas Schubert, and Rainer Laur, University of Bremen, GERMANY

An LSI Implementation of a Heirarchical Structure FIR Filter 1721Hiroshi Matsumura, Yoshiko Matsumoto, and Shogo Nakamura,Tokyo Denki University, JAPAN

Unnormalized Fixed-Point Cordic Arithmetic for SVD Processors 1725E. Antelo and J.D. Bruguera, Univ. Santiago de Compostela, SPAIN;E. Zapata, Univ. de Malaga, SPAIN

A Novel Bit Cascadable Systolic 1 6 x 8 Truncated Signed Muhiplier for Signal 1731Processing, Tanay Krishna, Ctr. for Dev. of Telematics (C-DOT), INDIA

A Pipelined Architecture for VLSI Implementation of Quantizer/Inverse 1737Quantizer Processor for Video CODEC, Jae Hyeoung Kim, Yong Moo Kwon,and Hyoung Con Kim, KIST, KOREA; Nam-Ki Min, Korea University, KOREA

A High Throughput Programmable Decimation and Interpolation Filter 1743Y. Djadi, T.A. Kwasniewski, and C. Chan, Carleton University, CANADAV. Szwarc, Communications Research Ctr., CANADA

On Portable Macro-Cell FPU Generators Using the Fully 754-IEEE Standard 1749Alain Houelle, Habib Mehrez, and Nicolas Vaucher,University Pierre & Marie Curie, FRANCE

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