IGS1999.pdf (19 MB) 9th IGS conference: 28-30 Jun. 1999 Singapore, Singapore

[Hans-Leo Teulings]

Continued from previous posting....

FULL PAPERS http://forums.graphonomics.org/showthread.php?t=97

Is the planning of action more impaired in schizophrenic patients than in depressed patients?
The effects of conflicting graphic production rules ............................... 225
Bea J. M. Jogems-Kostennan -Institute for Mellta/ Health Care Oost Brabant. The Netherlands
Wouter Hulstijn - Nijmegen Institute for Cognition and Information. The Netherlands
Jacques J. M. Van Hoof . Institute for Mental Health Care GGZ Oost Brabant. The Netherlands
Arnold J. W. M. Thomassen - Nijmegen lnstitute for Cognition and Information. The Netherlands

Parkinsonian patients reduce their stroke size with increased programming
load .................................................. .......................................... 231
Arend W. A. Van Gemmert. Hans-Leo Teulings and George E. Stelmach -
Arizona State University. USA

Themodynamic parameter maps .................................................. ..... 237
Jagath C. Rajapakse - Nonyang Technological University, Singapore

Methylphenidate-induced impairment of handwriting movements in
hyperactive children .................................................. .................... 241
Oliver Tucha - University of Regensburg. Germanv
Christian Smely - University of Heidelberg. Germany
Klaus W. Lange - University of Regensburg. Germany

Session 8: Computer Processing of Handwriting

Implementation of distributed handwriting with electronic white board ..... 245
Dan Xiao and Eng Chong Tan -Nanyang Technological University. Singapore

Handwriting slant detection using the Hough transform ......................... 249
Vijay K. Sagar and Abhimanyu Poddar -
Nanyang Technological University. Singapore

Average character width segmenter for handwritten word recognition ..... 255
A. Harvey, B. Eastwood and A. Jennings-
RMIT, Australia

A new menu system based on buman motor control knowledge .............. 259
Kirniyasu Kiyota - Kumamoto National College of Technology, Japan
Hans-Leo Teulings - Arizona State University, USA

WordTree: a pen based editor ofsbort texts ....................................... 263
Massimo Ancona and Daniele Comes -
Universita di Genova. Italy

Session 9: Development and Education

A comparison of style cbaracteristics in Canadian and Dutch cursive writing 269
Marvin L. Simner - University of Western Ontario, Canada
Bouwien C. M. Smits-Engelsman -
Nijmegen Institute for Cognition and Infonnation, The Netherlands

Influence of the lexical and syntactic structure of verbal numerals on the handwriting of Arabic numerals .................................................. ...... 273
Aliette Lochy, Xavier Seran - Universite Catholique de Louvain, Belgium
Pascal Zesiger - Universite de Geneve, Switzerland

Mirror writing in left- and right-banded subjects ................................. 279
Oliver Tucha, Steffen Aschenbrenner - University of Regensburg, Germany
Christian Smely - University of Heidelberg, Gemany
Klaus W. Lange - University of Regensburg, Germany

Development of handwriting as a domain of skilled performance .............. 283
E. Adil-Japha and N. H. Freeman -
Bristol University, United Kingdom

Session 10: Written Oriental Languages III - Arabic and Indian scripts

Indexing and retrieval of digitized Arabic scripts and calligraphy ............. 289
Suliman AI-Hawamdeb and Abdus Sattar Chaudhry -
Nanyang Technological University, Singapore

Segmentation of machine printed Gurmukbi script ................................ 293
A K Goyal - Thapar Center for Industrial Research & Development, India
G S Lehal, S S Deol - Punjabi University, India

Recognition of handwritten Bengali characters: A novel multistage approach 299
A. F. R. Rahman and R. Rahman-
University of Kent, United Kingdom

Authors' Index .................................................. ............................ 305

[Hans-Leo Teulings]

FULL PAPERS http://forums.graphonomics.org/showthread.php?t=97

Opening session

Welcome and introductory remarks

Opening papers:

Facilitation of writing by the non-dominant hand under bimanual conditions . 1
Arnold J. W. M. Thomassen. Ruud G. J. Meulenbroek and Chris F. Bouwhuisen-
Nijmegen Institute for Cognition and Information, The Netherlands

Automatic signature verification: A report on a large-scale public experiment 9
Rejean Plamondon. Wacef Guerfali - Ecole Polytechnique de Montreal, Canada
Marc Lalonde - Centre de Recherche Informatique de Montreal, Canada

Signatures of persons with parkinsonism and hepatic
encephalopathy as comparison standards ............................................ 15
Carl E. Anderson - University of California, USA
M. Patricia Fisher - Fisher Forensic Document Laboratory, Inc., USA

Session 1: Motor Control

Variability of pen-tip displacements and joint excursions
in spatially and temporally constrained drawing ..................................... 19
Ruud G. J. Meulenbroek, Chris F. Bouwhuisen. Arnold J. W. M. ThomassenNijmegen
Institute for Cognition and Information. The Netherlands
David A. Rosenbaum - Pennsvlvania State University, USA

Muscles act as low-pass filters on neuro-motor noise ............................ 25
Willem P. De Jong and Gerard P. Van Galen-
Nljmegen Institute for Cognition and Information, The Netherlands

Nonspecific motor preparation during the foreperiod in an aiming task ....... 31
C. Elisa Van Den Heuvel - Vrije Universiteit, The Netherlands
Arend W. A. Van Gemmert, George E. Stelmach - Arizona State University, USA

A three-dimensional motion tracking method in graphonomic research: Using rigid bodies and object-oriented programming ....................................... 37
Ctuis F. Bouwhuisen and Ruud G. J. Meulenbroek -
Nijmegen Institute for Cognition and Information, The Netherlands

Graphics tablets as cursor control devices ........................................... 41
James G. Phillips. Tom J. Triggs and Lisa G. McCormick -
Monash University, Australia

The effect of smokeless tobacco on joint coordination ........................... 47
Jose L. Contreras-Vidal. Felipe Vargas-Villamil - Arizona State University, USA
C. Elisa Van Den Heuvel - Free University, The Netherlands
Hans L. Teulings, George E. Stelmach - Arizona Stale University, USA

Session 2: Forensic Analysis / Computer Tools and Documents

Detection of deception for forensic purposes using
motor responses measured with OASIS ............................................... 53
David Dick and Douglas Rogers -
La Trobe University, Australia

A prototype toolset for interactive questioned document examination ....... 57
Ching Ping Lee and Graham Leedham -
Nanyang Technological University, Singapore

Forged and altered computer documents ............................................. 63
Bonnie L. Schwid - Anagraphics, Inc., USA

E-mail in Document Examination .................................................. ....... 67
Leong Peng Chor and Graham Leedham
Nanyang Technological Universitv, Singapore

Use of handwriting recognition features in handwriting identification ......... 73
Venu Govindaraju. Sargur N. Srihari and Yong-Chul Shin -
Stale University of New York at Buffalo, USA

Session 3: Written Oriental Languages I - Chinese and Japanese scripts

An off-line signature verification method based on a hidden Markov model using column images as features .................................................. ...... 79
Tomohiro Konda - Yamatake Corp., Japan
Mitsu Yoshimura - Nagoya Ciry University, Japan
Taizo Umezaki - Chubu University, Japan
Isao Yoshimura - Science University of Tokyo, Japan

Handwritten Chinese character recognition through contextual vector quantization and hidden Markov models ............................................... 83
Patrick Chan Khue Hiang and Sevki S Erdogan Nanyang
Technological University. Singapore

Distortion modeling of handwritten oriental character ............................. 91
Patrick Chan Khue Hiang and Sevki S Erdogan -
Nanyang Technological University, Singapore

Design of Kanji definition language based on
systematization of the stroke order .................................................. .. 99
Kazuaki Maeda. Ryoji Tatsuoka - Chubu University. Japan
Hideki Oshiki - Joetsu University of Education, Japan

Special workshop

Written Oriental Languages II:
Brush Graphonomic Writing and Applications

Background: Chinese characters and Chinese calligraphy ...................... 105
Henry S. R. Kao - The Universitv ofHong Kong. Hong Kong. China

A psychogeometric theory of Chinese character writing ........................ 107
Henry S. R. Kao - The University of Hong Kong. Hong Kong, China

Effects of practising Chinese calligraphy on visual-spatial ability and pictorial memory in normal aged people .................................................. ....... 111
Henry S. R. Kao. Gao Ding-guo and Jenny Chiu The
University of Hong Kong. Hong Kong. China

Effects of physical and mental practice of Chinese calligraphy and viewing on
visual-spatial ability and reaction time ............................................... 115
Henry S. R. Kao, Kenneth Leung. Grace Tam and Gao Ding-guo -
The University of Hong Kong. Hong Kong, China

Emotional effects associated with writing of Chinese
calligraphy on the non-Chinese people .............................................. 119
Mabel Yum and Henry S. R. Kao -
The Universiry of Hong Kong, Hong Kong, China

Calligraphic treatment of schizophrenic patients .................................. 125
Fan Zuo-shu - Hui-Long-Guan Hospital, China
Henry S. R. Kao - The University ofHong Kong, Hong Kong, China
Wang Yan-ling - Hui-Long-Guan Hospital, China
Guo Nian-feng - Chinese Academy of Sciences, China

Session 4: Handwriting Recognition

Contextual neural fusion for multiple handwritten character classifiers...... 131
Chan Khue Hiang and Sevki S Erdogan -
Nanyang Technological University, Singapore

Signature verification using Bayesian network ..................................... 139
Xuhong Xiao and Graham Leedham -

Nanvang Technological University. Singapore
Evolutionary learning for handwriting recognition: Performance evaluation .145
Claudio De Stefano - Universita' del Sannio, Italy
Antonio Della Cioppa - Universita' di Napoli "Federico II",ltaly
Angelo Marcelli - Universita' di Salerno. Italy

Incremental training of neocogniton using neocogniton trainer ............... 151
Geok See Ng and Harcharan Singh -
Nan yang Technological University. Singapore

New method of feature extraction based on fractal behavior ................. 155
Yuan Y. Tang and Yu Tao -
Hong Kong Baptist University, Hong Kong, China

A new multiple expert framework for decision fusion ............................. 161
A. F. R. Rahman and M. C. Fairhurst -
University of Kent, United Kingdom

Session 5: Development & Education

Relationship between first grade teachers' informal evaluations of children printing
and children's second grade performances in reading, spelling, and arithmetic ... 167
Marvin L. Simner - University of Western Ontario, Canada

The nature of dysgraphic handwriting in grade-l children ....................... 171
Michelle R. Eidlitz and Marvin L. Simner -
University of Western Ontario. Canada

Axial and pen grip pressure in the handwriting of children....................... 177
Elspeth H. Froude and Douglas K. Rogers -
La Trobe University, Australia

A letter model generator to assist in teaching handwriting .................... 181
Salim Djeziri, Rejean Plamondon and Jean-Marc Robert -
Ecole Polytechnique de Montreal, Canada

Automatic analysis of the temporal structuring of children's drawings ...... 187
Celine Remi, Mounir Amara, Pierre Courtellemont, Denis De Brucq, Pierre Largy
and Daniel Mellier -
Universite de Rouen. France

Session 6: Forensic Analysis / Handwriting Consistency

Tremor and its effect on handwriting performance under conditions of low and
intermediate physical stress .................................................. .......... 193
Mitchell G. Longstaff and Richard A. Heath University
of Newcastle. Australia

Impact of speed and practice upon line quality and spatial correspondence during tracing
and freehand signature reproduction ................................................. 199
James G. Phillips. Soula Noutsis. Chris Hughes - Monash University, Australia
Doug Rogers - La Trobe University. Australia

Changes in simulated handwriting pressure: Can the
forger capture the original writer's dynamics? ..................................... 205
Jodi Sita and Doug Rogers La
Trobe University. Australia

A pilot study for validating forensic handwriting examiners 'expertise':
Signature examinations .................................................. ................ 209
Bryan Found. Jodi Sita and Doug Rogers
La Trobe University. Australia

Session 7: Handwriting Disorders

Using handwriting to assess fine motor control in Alzheimer's disease ...... 213
Charles E. Wright. Patricia G. Lindemann and Malcolm B. Dick -
University of California. USA

Effects of Alzheimer's disease on basic drawing processes .................... 219
Charles E.Wright. Susie Hsieh and Malcolm B. Dick -
University of California. USA