Special Section of Papers Selected from the 8th Digital Signal Processing Symposium
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 . FOREWORD ....................................................... 1415
        Tatsuo HIGUCHI

PAPERS
======
[Adaptive Digital Filters]

 . An LS Based New Gradient Type Adaptive Algorithm --Least Squares
   Gradient--  .................................................... 1417
        Kiyoshi NISHIKAWA and Hitoshi KIYA

 . A New Cost Function for System Identification Utilizing an Alias
   Free Parallel Adaptive Filter .................................. 1426
        Shigenori KINJO, Yoji YAMADA and Hiroshi OCHI

 . A Subband Adaptive Filtering Algorithm with Adaptive Intersubband
   Tap-Assignment ................................................. 1432
        Akihiko SUGIYAMA and Akihiro HIRANO

 . Optimum Order Assignment on Numerator and Denominator for IIR
   Adaptive Filters Adjusted by Equation Error .................... 1439
        Asadual HUQ, Zhiqiang MA and Kenji NAKAYAMA

[Image Processing]

 . Improved Contextual Classifiers of Multispectral Image Data .... 1445
        Takashi WATANABE, Hitoshi SUZUKI, Sumio TANBA and Ryuzo
        YOKOYAMA

 . Stochastic Model-Based Image Segmentation Using Functional
   Approximation .................................................. 1451
        AndreL KAUP and Til AACH

[Multirate Signal Processing]

 . Extraction of Inphase and Quadrature Components from Oversampled
   Bandpass Signals Using Multistage Decimator with BPFs and Its
   Performance Evaluation ......................................... 1457
        Takashi SEKIGUCHI and Tetsuo KIRIMOTO

[Orthogonal Transform]

 . Generalized and Partial FFT .................................... 1466
        Todor COOKLEV and Akinori NISHIHARA

[Digital Signal Processing Hardware]

 . VLSI Systolic Array for SRIF Digital Signal Processing Algorithm
            ....................................................... 1475
        Kazuhiko IWAMI and Koji TANAKA

[Neural Networks]

 . Fast Convergent Genetic-Type Search for Multi-Layered Network .. 1484
        Shu-Hung LEUNG, Andrew LUK and Sin-Chun NG

LETTERS
=======
 . Piecewise-Linear Radial Basis Functions in Signal Processing ... 1493
        Carlos J.PANTALEON-PRIETO and Anibal R.FIGUEIRAS-VIDAL

 . Performance Degradation of a Subband Adaptive Digital Filter with
   Critical Sampling .............................................. 1497
        Hiroshi YASUKAWA

Regular Section
===============
PAPERS
======
[Adaptive Signal Processing]

 . A Proportion-Sign Algorithm for Adaptive Filtering and Its
   Performance Analysis ........................................... 1502
        Seung Chan BANG and Souguil ANN

[Algorithms, Data Structures and Computational Complexity]

 . Implication Problems for Specialization Constraints on Databases
   Supporting Complex Objects ..................................... 1510
        Minoru ITO and Michio NAKANISHI

 . Highly Efficient Universal Coding with Classifying to
   Subdictionaries for Text Compression ........................... 1520
        Yasuhiko NAKANO, Hironori YAHAGI, Yoshiyuki OKADA and Shigeru
        YOSHIDA

[Computer Aided Design (CAD)]

 . A Fault Model for Multiple-Valued PLA's and Its Equivalences ... 1527
        Yasunori NAGATA and Masao MUKAIDONO

[Digital Signal Processing]

 . Fault Tolerant Non-regular Digital Signal Processing Based on
   Computation Tree Block Decomposition ........................... 1535
        Mineo KANEKO and Hiroyuki MIYAUCHI

[Foundations of Artificial Intelligence and Knowledge Processing]

 . Assembly Plan Generation from an Assembly Illustration by
   Integrating the Information from Explanatory Words ............. 1546
        Shoujie HE, Norihiro ABE and Tadahiro KITAHASHI

LETTERS
=======
[Algorithms, Data Structures and Computational Complexity]

 . Graphical Analysis for k-out-of-n:G Repairable System and Its
   Application .................................................... 1560
        Ikuo ARIZONO and Akihiro KANAGAWA

[Analog Circuits and Signal Processing]

 . Precise Generation of Dual-Input Current-Mode Ratio Function Using
   Current Conveyors .............................................. 1564
        R.NANDI and S.B.RAY

[Parallel/Multidimensional Signal Processing]

 . 2-D Variable FIR Filters Using 3-D Prototype Filters ........... 1568
        Toshiyuki YOSHIDA, Akinori NISHIHARA and Nobuo FUJII



 . ABSTRACTS (IEICE Trans.,Vol.J77-A, No.9 in Japanese) ........... 1573