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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.
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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. ...
doi:10.1109/icdar.2003.1227805
dblp:conf/icdar/TapiaR03
fatcat:y2eujaycifdslpscy73zzkyc7y
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)
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This article introduces 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 ...
doi:10.1109/icdar.2005.197
dblp:conf/icdar/TapiaR05
fatcat:gwskw65mv5c4ddyxh4nfif75gq
Teaching with an intelligent electronic chalkboard
2004
Proceedings of the 2004 ACM SIGMM workshop on Effective telepresence - ETP '04
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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. ...
doi:10.1145/1026776.1026782
fatcat:goyq2de2cfdv7kvsllc7hdjupe
Recognition of On-line Handwritten Mathematical Expressions Using a Minimum Spanning Tree Construction and Symbol Dominance
[chapter]
2004
Lecture Notes in Computer Science
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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. ...
doi:10.1007/978-3-540-25977-0_30
fatcat:j3onzhvdbndxpfevtynoevwkvm
WEB BASED LECTURES PRODUCED BY AI SUPPORTED CLASSROOM TEACHING
2004
International journal on artificial intelligence tools
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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. ...
doi:10.1142/s0218213004001582
fatcat:owsqszw4wfclbizysfwz235meu
The study of mathematical expression recognition and the embedded system design
2010
Journal of Software
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Tapia, etc.Recognition of On-Line Handwritten
Mathematical Expressions in the E-Chalk System. ...
mathematical formula recognition (M), 2007. ...
doi:10.4304/jsw.5.1.44-53
fatcat:s72fuw4fs5f5tiei2csk4cnrzi
Recognition and retrieval of mathematical expressions
2011
International Journal on Document Analysis and Recognition
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This paper surveys 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. ...
doi:10.1007/s10032-011-0174-4
fatcat:pufig4ovmjav3pspbigj5ezcee
One year of ICTP diploma courses on-line using the automated EyA recording system
2009
Computers & Education
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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] . ...
doi:10.1016/j.compedu.2009.01.011
fatcat:4cdtfzfikzgenpam5imhi7hq5y
A paradigm for handwriting-based intelligent tutors
2012
International Journal of Human-Computer Studies
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answer to reduce ambiguity for tutoring purposes, and (2) 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 ...
doi:10.1016/j.ijhcs.2012.04.003
fatcat:vri4xxkktbczjdxwpjwbzntbsu
Continuous Offline Handwriting Recognition using Deep Learning Models
[article]
2021
arXiv
pre-print
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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 ...
arXiv:2112.13328v1
fatcat:xkcdw7c2rngd7jsaixsfosqzc4
Understanding Mathematics: A System for the Recognition of On-Line Handwritten Mathematical Expressions
[article]
2005
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This work presents a 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 ...
doi:10.17169/refubium-16590
fatcat:b4fevf76vndgti5v7hcukq4dpe
The Characteristics of Writing Environments for Mathematics: Behavioral Consequences and Implications for Software Design and Usability
[chapter]
2009
Lecture Notes in Computer Science
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A study is reported that examines how users write 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. ...
doi:10.1007/978-3-642-02614-0_26
fatcat:rodhnned3fhvnohmnpcbj4hjqa
State-of-Charge Estimation of a Li-Ion Battery using Deep Forward Neural Networks
[article]
2020
arXiv
pre-print
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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. ...
arXiv:2009.09543v1
fatcat:vmgfzi6cpzawnm4mb2g72xdsyq
Interview with Xavier Viennot
2021
Enumerative Combinatorics and Applications
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We did not know at 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. ...
doi:10.54550/eca2022v2s1i4
fatcat:n2kaan37zrcc3l6xf25tsg477u
From Mathematical Physics to Analysis: A Walk in Barry Simon's Mathematical Garden
2016
Notices of the American Mathematical Society
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People 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, ...
doi:10.1090/noti1403
fatcat:7dikjjtkefhxdafbvdzaqr2mym
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