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This book contains the proceedings of the International Workshop on Frontiers in Handwriting Recognition held in Montreal, April 2-3, 1990. This workshop has been organized with the help of Dr. Shunji Mori (Ricoh R. & D. Center, Yokohama), Prof. R. Plamondon (Ecole Polytechnique, Montreal), Prof. J. C. Simon (Ecole Nationale des Ponts et Chaussees). Prof. S. N. Srihari (State University of New York. Buffalo), and Dr. C. Tappert (IBM Watson Research Center, Yorktown Heights). The goal of this Workshop is to stimulate research in handwriting recognition. It includes the most active research areas related to the design and implementation of intelligent systems that recognize, on-line and off-line, isolated and connected, handwritten characters, words, and signatures. In order to create a cosy environment for discussions among the participants, this workshop is limited to about 25 attendees. With the help of several authorities and distinguished scientists of this field, the Program Committee of IWFHR organized a well-balanced program containing 8 invited papers and a selection of 9 submitted papers covering the most advanced topics in handwriting recognition.
One important feature that distinguishes this workshop from the others is the publication in its proceedings, the brief biographies of all authors, a description of the data they need, and a list of their recent publications related to handwriting recognition. Also an exhibition of 10 industrial and academic systems was organized for the participants to demonstrate their systems and recognition techniques. This format has been designed to encourage the exchange of not only the research ideas and techniques developed. but also the database they have collected for their experiments, and practical results. Consequently the proceedings of this workshop includes both the full papers, plus all the above information. It is hoped that the readers will find this book a valuable source of reference for handwriting recognition.
Sponsors: PCAR Program of the Department of Quebec, Canadian Image Processing and Pattern Recognition Society. Computer Research Institute of Montreal, and the Text Processing Committee of the International Association for Pattern Recognition.
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Organizing Committee Preface Author Index
PROGRESS IN THE FIELD OF AUTOMATIC HANDWRITTEN SIGNATURE
VERIFICATION SYSTEMS USING GRAY-LEVEL IMAGES (p. 1)
Robert Sabourin and Rejean Plamondon
RATIONALE FOR ADAPTIVE ONLINE HANDWRITING RECOGNITION (p. 13)
C. C. Tappert (Invited paper)
HANDWRITING RECOGNITION AS AN APPLICATION OF REGULARITIES AND
SINGULARITIES IN LINE PICTURES (p. 23)
J. C. Simon and 0. Baret (Invited paper)
A THINNING METHOD BASED ON CELL STRUCTURE (p. 39)
T. Suzuki and S. Mori (Invited paper)
AN OFF-LINE WRITER IDENTIFICATION SYSTEM BASED ON A SYNTACTIC APPROACH (p. 53)
S. Impedovo, M. Castellano, G. Pirlo, G. Dimauro
A STRUCTURAL APPROACH TO AUTOMATIC PRIMITIVE EXTRACTION IN
HAND-PRINTED CHARACTER RECOGNITION (p. 65)
L. Stringa (Invited paper)
AN EXPERIMENTAL SYSTEM FOR STROKE-NUMBER FREE ON-LINE CHINESE
CHARACTER RECOGNITION (p. 73)
A.-J. Hsich, S.-J. Kung, S.-L. Shiau M._C. Kao and J -W. Chen
HIERARCHICAL ATTRIBUTED GRAPH REPRESENTATION AND RECOGNITION
OF HANDWRIITEN CHINESE CHARACTERS (p. 87)
S. W. Lu and C. Y. Suen
ONE VIEW OF ON-GOING PROBLEMS IN HANDWRITING CHARACTER RECOGNITION (p. 101)
Jean Renard Ward (Invited paper)
READING UNCONSTRAINED HANDWRITING WITH BOUNDED CONTEXT (p. 109)
S. N. Srihari (Invited paper)
MULTIPLE ALGORITHMS FOR HANDWRITTEN CHARACTER RECOGNITION (p. 117)
J. J. Hull, A. Commike and T.-K Ho (Invited paper)
RECOGNITION OF TOTALLY UNCONSTRAINED HANDWRITTEN NUMERALS
BASED ON THE CONCEPT OF MULTIPLE EXPERTS (p. 131)
C. Y. Suen, C. Nadal, T. A. Mai, R. Legault and L. Lam
CONSTRAINED NEURAL NETWORK FOR UNCONSTRAINED HANDWRITTEN DIGIT
RECOGNITION (p. 145)
Y. Le Cun, B. Boser, J. S. Denker, D. Henderson, R. E. Howard, W. Hubbard,
L. D. Jackel and H. S. Baird
UNCONSTRAINED HANDWRITTEN CHARACTER CLASSIFICATION
USING MODIFIED BACKPROPAGATION MODEL (p. 155)
A. Krzyzak, W. Dai and C. Y. Suen
A SYSTEM FOR THE ANALYSIS AND SYNTHESIS OF HANDWRITING (p. 167)
R. Plamondon and P. Yergeau (Invited paper)
CLASSIFICATION OF CONFUSING HANDWRITTEN NUMERALS BY HUMAN
SUBJECTS (p. 181)
R. Legault, C. Y. Suen and C. Nadal
A HANDWRITING RECOGNITION SYSTEM BASED ON THE PROPERTIES
AND ARCHITECTURES OF THE HUMAN MOTOR SYSTEM (p. 195)
L. R. B. Schomaker and H.-L. Teulings