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Recognition of on-line handwritten mathematical formulas in the E-chalk system

*
Seventh International Conference on Document Analysis and Recognition, 2003. Proceedings.
*

*In*this article, we present a

*system*for

*the*

*recognition*

*of*

*on*-

*line*

*handwritten*

*mathematical*

*formulas*which is used

*in*

*the*electronic chalkboard (

*E*-

*chalk*), a multimedia

*system*for distance-teaching. ...

*The*classification is based

*on*support vector machines and

*the*construction

*of*

*formulas*is based

*on*baseline structure analysis. ... Acknowledgments Ernesto Tapia thanks

*the*Mexican National Council for Science and Technology (CONACyT) for its support during his Ph.D. studies via

*the*credit-scholarship number 154901. ...

##
###
Recognition of on-line handwritten mathematical expressions in the E-Chalk system - an extension

2005
*
Eighth International Conference on Document Analysis and Recognition (ICDAR'05)
*

This article introduces

doi:10.1109/icdar.2005.197
dblp:conf/icdar/TapiaR05
fatcat:gwskw65mv5c4ddyxh4nfif75gq
*the*new version*of*our*system*for*the**recognition**of**on*-*line**handwritten**mathematical*expressions. ...*The**system*is embedded as an intelligent assistant*in**the*Electronic Chalkboard (*E*-*Chalk*), a*system*for*the*live transmition and storage*of*lectures. ... Implementation*in**the**E*-*Chalk**System*Java implementation Using*the*techniques described*in**the*previous section, we wrote a Java library for*the**recognition**of**on*-*line**mathematical*expressions*in**E*-*Chalk*...##
###
Teaching with an intelligent electronic chalkboard

2004
*
Proceedings of the 2004 ACM SIGMM workshop on Effective telepresence - ETP '04
*

*One*assistant takes care

*of*interpreting

*the*

*handwritten*input

*of*

*the*user. Another is a

*mathematical*

*formula*recognizer which processes

*handwritten*queries for

*the*algebraic server. ...

*The*

*E*-

*Chalk*architecture is based

*on*

*the*metaphor

*of*

*the*classical chalkboard, enhanced by intelligent assistants running

*in*

*the*background. ... ACKNOWLEDGEMENTS

*The*

*E*-

*Chalk*

*system*has been an ongoing project at our lab during

*the*last three years. ...

##
###
Recognition of On-line Handwritten Mathematical Expressions Using a Minimum Spanning Tree Construction and Symbol Dominance
[chapter]

2004
*
Lecture Notes in Computer Science
*

*The*method handles some layout irregularities frequently found

*in*

*on*-

*line*

*handwritten*

*formula*

*recognition*

*systems*, like symbol overlapping and association

*of*arguments

*of*sum-like operators. ... We present a structural analysis method for

*the*

*recognition*

*of*

*on*-

*line*

*handwritten*

*mathematical*expressions based

*on*a minimum spanning tree construction and symbol dominance. ... Acknowledgments

*The*authors like to thank

*the*anonymous reviewers for a variety

*of*suggestions that helped to improve this paper. ...

##
###
WEB BASED LECTURES PRODUCED BY AI SUPPORTED CLASSROOM TEACHING

2004
*
International journal on artificial intelligence tools
*

*One*

*of*these modules is described here: A computer algebra

*system*that evaluates

*mathematical*expressions or plots functions is placed at

*the*lecturers disposal by a handwriting

*recognition*. ... This article presents a

*system*that maps classroom lectures directly into web based education lessons.

*In*

*the*classroom,

*the*lecturer writes

*on*a wide, pen sensitive display. ... Acknowledgments Ernesto Tapia thanks

*the*Mexican National Council for Science and Technology (CONACyT) for its financial support during his Ph.D. studies via

*the*creditscholarship number 154901. ...

##
###
The study of mathematical expression recognition and the embedded system design

2010
*
Journal of Software
*

Tapia, etc.Recognition

doi:10.4304/jsw.5.1.44-53
fatcat:s72fuw4fs5f5tiei2csk4cnrzi
*of**On*-*Line**Handwritten**Mathematical*Expressions*in**the**E*-*Chalk**System*. ...*mathematical**formula**recognition*(M), 2007. ...##
###
Recognition and retrieval of mathematical expressions

2011
*
International Journal on Document Analysis and Recognition
*

This paper surveys

doi:10.1007/s10032-011-0174-4
fatcat:pufig4ovmjav3pspbigj5ezcee
*the*state*of**the*art*in**recognition*and retrieval*of**mathematical*expressions, organized around four key problems*in*math retrieval (query construction, normalization, indexing, and ...*Of*special interest is*the*machine learning problem*of*jointly optimizing*the*component algorithms*in*a math*recognition**system*, and developing effective indexing, retrieval and relevance feedback algorithms ... This work was also supported by*the*Natural Sciences and Engineering Research Council*of*Canada (NSERC) and*the*Xerox Foundation. ...##
###
One year of ICTP diploma courses on-line using the automated EyA recording system

2009
*
Computers & Education
*

*The*12-month pre-Ph.D ICTP Diploma Courses

*in*

*the*fields

*of*Condensed Matter Physics, High Energy Physics,

*Mathematics*, Earth

*System*Physics and Basics Physics have been recorded using

*the*automated, low ... cost recording

*system*called EyA developed

*in*-house. ... Both

*of*these can be loaded directly from a hard disk or

*the*Internet. Projects such as

*e*-

*Chalk*[8] also includes algebraic

*formula*manipulation via handwriting

*recognition*, etc. [9, 10] . ...

##
###
A paradigm for handwriting-based intelligent tutors

2012
*
International Journal of Human-Computer Studies
*

answer to reduce ambiguity for tutoring purposes, and (2)

doi:10.1016/j.ijhcs.2012.04.003
fatcat:vri4xxkktbczjdxwpjwbzntbsu
*in**the*small number*of*cases*in*which*the**system*must involve*the*student*in**recognition*error recovery,*the*interaction focuses*on*identifying ... This work can inform*the*design*of*future*systems*for students using pen and sketch input for math or other topics by motivating*the*use*of*context and pragmatics to decrease*the*impact*of**recognition*... Acknowledgments*The*authors thank Mark D. Gross, Jennifer Mankoff, and Tom M. Mitchell for comments*on**the*dissertation that informed this paper, and*the*anonymous reviewers*of*this ...##
###
Continuous Offline Handwriting Recognition using Deep Learning Models
[article]

2021
*
arXiv
*
pre-print

*Handwritten*text

*recognition*is an open problem

*of*great interest

*in*

*the*area

*of*automatic document image analysis. ...

*The*generalization capacity

*of*

*the*model has also been validated by evaluating it

*on*three

*handwritten*text databases using different languages: IAM

*in*English, RIMES

*in*French, and Osborne

*in*Spanish, ...

*The*MDLSTM architecture was proposed by Bluche et al.

*in*[21] and [20] , as

*the*basis for

*the*implementation

*of*a

*handwritten*paragraph-level

*recognition*

*systems*, without

*the*need

*of*

*line*segmentation ...

##
###
Understanding Mathematics: A System for the Recognition of On-Line Handwritten Mathematical Expressions
[article]

2005

This work presents a

doi:10.17169/refubium-16590
fatcat:b4fevf76vndgti5v7hcukq4dpe
*system*for*the**recognition**of**on*-*line**handwritten**mathematical**formulas*. ... Our*system*for*the**recognition**of**on*-*line**handwritten**mathematical*expressions is used*in**the*Electronic Chalkboard (*E*-*Chalk*), a multimedia*system*for distance-teaching. ... Finally, my deepest gratitude to Anja for her company and support,*in*particular during*the*last months*of**the*preparation*of*this manuscript. Acknowledgments ...##
###
The Characteristics of Writing Environments for Mathematics: Behavioral Consequences and Implications for Software Design and Usability
[chapter]

2009
*
Lecture Notes in Computer Science
*

A study is reported that examines how users write

doi:10.1007/978-3-642-02614-0_26
fatcat:rodhnned3fhvnohmnpcbj4hjqa
*mathematical*expressions using two graphic based editors:*one*that is structure-based and*one*that allows*the*free-form manipulation*of*selected symbols ...*The*multi-dimensionality*of**mathematical*notation creates a challenge for*mathematical*software editors. ... Indeed, even verbal communication*of**mathematics*relies heavily*on*intermediary interfaces such as pen-and-paper or*chalk*-and-chalkboard. ...##
###
State-of-Charge Estimation of a Li-Ion Battery using Deep Forward Neural Networks
[article]

2020
*
arXiv
*
pre-print

*the*K-fold cross-validation method,

*in*order to estimate

*the*State

*of*Charge (SOC)

*of*

*the*cell. ...

*The*contribution

*of*this work is to present a methodology

*of*building a Deep Forward Network for a lithium-ion battery and its performance assessment, which follows

*the*best practices

*in*machine learning ... Furthermore,

*the*science

*of*deep learning is not like

*mathematics*or physics,

*in*which theoretical advances can be achieved with a

*chalk*and a blackboard. ...

##
###
Interview with Xavier Viennot

2021
*
Enumerative Combinatorics and Applications
*

We did not know at

doi:10.54550/eca2022v2s1i4
fatcat:n2kaan37zrcc3l6xf25tsg477u
*the*same time, Guttmann and Enting were doing some experiments, and from*the*first values*of**the*sequence, applying techniques*of*approximants, guess (and conjecture)*the**formula*124 ... This was*the*starting point*of*nice and fruitful cooperation between our combinatorial group*in*LaBRI and*the*department*of*statistical mechanics at Melbourne University. ... Betrema and Penaud 129 gave a simpler proof*of**the**formula*3 n with heaps*of*dimers*on*a*line*, which is deduced from a*system**of*equations. ...##
###
From Mathematical Physics to Analysis: A Walk in Barry Simon's Mathematical Garden

2016
*
Notices of the American Mathematical Society
*

People

doi:10.1090/noti1403
fatcat:7dikjjtkefhxdafbvdzaqr2mym
*in*orthogonal polynomials know well Barry's insistence*on*calling*the*recurrence coefficients for orthogonal polynomials*on**the*circle Verblunsky coefficients,*in**recognition**of**the*almost forgotten ... At Les Houches,*the*late Oscar*E*. ...*In*1980 Barry proved a correlation inequality, sometimes referred to as*the*"Simon-Lieb inequality," useful to establish decay*of*correlations*in*models*of*classical ferromagnetic lattice spin*systems*, ...
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