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Database of handwritten Arabic mathematical formulas images
[article]
2016
arXiv
pre-print
Although publicly available, ground-truthed database have proven useful for training, evaluating, and comparing recognition systems in many domains, the availability of such database for handwritten Arabic ...
In this paper, we present a new public database that contains mathematical expressions available in their off-line handwritten form. ...
In the case of mathematical expression recognition, the main difficulty in building a corpus is to find realistic expressions from the real world. ...
arXiv:1608.02388v1
fatcat:siujs7wbd5gddar25j3wknd5ru
Handwritten Mathematical Expressions Recognition using Back Propagation Artificial Neural Network
2016
Communications on Applied Electronics
Handwritten mathematical expressions recognition is yet challenging task due to its intricate spatial structure, tangled semantics and 2-dimensional layout of the characters. ...
There is a still room for enhancement in recognition rate. Artificial neural network is superior to disentangle classification problems. ...
For dealing with mathematical formulas, the system should be made to execute both character and mathematical structure recognition based on the integration and bilocation of characters. ...
doi:10.5120/cae2016652125
fatcat:phjlg4gqjbb2fcokdeirndlhci
A Model of a Mathematics Editor using Intelligent Agent Technology
2010
Procedia - Social and Behavioral Sciences
This paper presents a study of existing mathematics editor and proposed a web-based model of a mathematics editor using intelligent agent technology based on the Belief, Desires, Intention (BDI) model. ...
To master the mathematics subject, a lot of exercises need to be done. Mathematical problem solving requires writing mathematics equations and symbols to simplify them to get the answer. ...
The formula editor provides a real-time syntax checking for expressions. OO-CAS consists of three classes: AueCASApplication, Parser and Kernel. ...
doi:10.1016/j.sbspro.2010.12.081
fatcat:kzn42upavndk3go5ixjporp5cu
ICDAR 2019 CROHME + TFD: Competition on Recognition of Handwritten Mathematical Expressions and Typeset Formula Detection
2019
2019 International Conference on Document Analysis and Recognition (ICDAR)
We summarize the tasks, protocol, and outcome for the 6th Competition on Recognition of Handwritten Mathematical Expressions (CROHME), which includes a new formula detection in document images task (+ ...
System performance has improved since the last CROHME -still, the competition results suggest that recognition of handwritten formulae remains a difficult structural pattern recognition task. ...
The authors would also like to thank Puneeth Kukkadpu and Parag Mali for preparing data for the formula detection task, Soumen Kumar Koley for helping update the online submission system, and Rafael Padilla ...
doi:10.1109/icdar.2019.00247
dblp:conf/icdar/MahdaviZMVG19
fatcat:kdhicizkwngrfgls6odew7355q
Unsupervised Training Data Generation of Handwritten Formulas using Generative Adversarial Networks with Self-Attention
[article]
2021
arXiv
pre-print
However, such a large training dataset does not exist for the task of handwritten formula recognition. ...
The recognition of handwritten mathematical expressions in images and video frames is a difficult and unsolved problem yet. ...
The final system is able to generate a large set of examples for the training of handwritten formula recognition models and thus, improves the accuracy of such systems. ...
arXiv:2106.09432v1
fatcat:2j5wi7e2x5hyjmh3ygf2673hfi
Mojirage
2018
Proceedings of the 2018 International Conference on Advanced Visual Interfaces - AVI '18
Because some people appreciate their own handwritten characters blended with the handwritten characters of others, we propose a method for generating good handwriting by the real-time blending of users ...
We also realize the prototype system and show its usefulness. CCS CONCEPTS • Human-centered computing → Human computer interaction (HCI) → Interactive systems and tools; ...
Next, the system adds a formula to the handwriting database. Then, the system gets the formula for the handwriting of the fusion target from the database. ...
doi:10.1145/3206505.3206573
dblp:conf/avi/MatayoshiON18
fatcat:oi6cqq5uffhobdvz3l5m4py4zq
Stroke extraction for offline handwritten mathematical expression recognition
[article]
2020
arXiv
pre-print
Given a ready-made state-of-the-art online handwritten mathematical expression recognizer, the proposed procedure correctly recognized 58.22%, 65.65%, and 65.22% of the offline formulas rendered from the ...
datasets of the Competitions on Recognition of Online Handwritten Mathematical Expressions(CROHME) in 2014, 2016, and 2019 respectively. ...
Acknowledgments This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. ...
arXiv:1905.06749v2
fatcat:ipdaeqvqmbhn7alnde3qfpcx7e
Math Search for the Masses: Multimodal Search Interfaces and Appearance-Based Retrieval
[chapter]
2015
Lecture Notes in Computer Science
"The Masses" refers to our emphasis on creating systems for mathematical non-experts, who may be looking to define unfamiliar notation, or browse documents based on the visual appearance of formulae rather ...
Source code for both systems are publicly available. ...
Thanks also to Manish Kanadje for proof-reading a draft of the paper. ...
doi:10.1007/978-3-319-20615-8_2
fatcat:rhts2tyg3bhv3blya6g75iubka
Math Search for the Masses: Multimodal Search Interfaces and Appearance-Based Retrieval
[article]
2015
arXiv
pre-print
"The Masses" refers to our emphasis on creating systems for mathematical non-experts, who may be looking to define unfamiliar notation, or browse documents based on the visual appearance of formulae rather ...
Source code for both systems are publicly available. ...
Thanks also to Manish Kanadje for proof-reading a draft of the paper. ...
arXiv:1505.02798v1
fatcat:hrard5t23ngnxa5hcx577cx24u
Auraglyph: Handwritten Computer Music Composition And Design
2014
Zenodo
To this end, we propose a new model for computer music system design on touchscreen devices, combining both pen/stylus input and multitouch gestures. ...
Such a model surpasses the barrier of touchscreen-based keyboard input, preserving the primary interaction of touch and direct manipulation throughout the development of a complex musical program. ...
We have found the speed and accuracy of LipiTk in this configuration to be satisfactory for real-time usage, though a slight, noticeable delay exists between finishing a stroke and the successful recognition ...
doi:10.5281/zenodo.1178927
fatcat:eethjkjeifgynet7biv4rjz6wi
Structure Editing of Handwritten Mathematics
2014
Proceedings of the Ninth ACM International Conference on Interactive Tabletops and Surfaces - ITS '14
We present a structure editor that aims to facilitate the presentation and manipulation of handwritten mathematical expressions. ...
The editor is oriented to the calculational mathematics involved in algorithmic problem solving and it provides features that allow reliable structure manipulation of mathematical formulae, as well as ...
ACKNOWLEDGMENTS We thank the anonymous reviewers for the helpful comments. ...
doi:10.1145/2669485.2669495
dblp:conf/tabletop/MendesBF14
fatcat:qccndstztjgz7jqwhbvsa7pccu
Mathematical Formulae Recognition Using 2D Grammars
2007
Proceedings of the International Conference on Document Analysis and Recognition
We present a method for off-line mathematical formulae recognition based on the structural construction paradigm and two-dimensional grammars. ...
An important benefit of the structural construction is in treating the symbol segmentation in the image and its structural analysis as a single intertwined process. ...
Schlesinger from the Ukrainian Academy of Sciences in Kiev for discussions on the issue. ...
doi:10.1109/icdar.2007.4377035
dblp:conf/icdar/PrusaH07
fatcat:5raqarvtnbbvbpzvuhq22ic5i4
Intelligent understanding of handwritten geometry theorem proving
2010
Proceedings of the 15th international conference on Intelligent user interfaces - IUI '10
The results from evaluation study show that our system is well perceived and users have high satisfaction with the accuracy of sketch recognition, the effectiveness of visual hints, and the efficiency ...
Computer-based geometry systems have been widely used for teaching and learning, but largely based on mouse-andkeyboard interaction, these systems usually require users to draw figures by following strict ...
Paulson [25] studied the recognition of primitive sketches. Li [21] investigated synchronized recognition of graphs with real-time user feedback. ...
doi:10.1145/1719970.1719988
dblp:conf/iui/JiangTWZWD10
fatcat:tkqroxllazhw5c7oshnn7uv5iq
Image-to-Markup Generation with Coarse-to-Fine Attention
[article]
2017
arXiv
pre-print
Our method is evaluated in the context of image-to-LaTeX generation, and we introduce a new dataset of real-world rendered mathematical expressions paired with LaTeX markup. ...
Our approach outperforms classical mathematical OCR systems by a large margin on in-domain rendered data, and, with pretraining, also performs well on out-of-domain handwritten data. ...
Acknowledgements We would like to thank Daniel Kirsch for providing us Detexify data, and Sam Wiseman and Yoon Kim for the helpful feedback on this paper. ...
arXiv:1609.04938v2
fatcat:mtrbt22yo5apfjquti3xsf2fzm
A Syntactic Approach for Handwritten Mathematical Formula Recognition
1984
IEEE Transactions on Pattern Analysis and Machine Intelligence
In this paper we propose a system for the interpretation of 2-D mathematic formulas based on a syntactic parser. ...
This system is able to recognize a large class of 2-D mathematic formulas written on a graphic tablet. ...
ACKNOWLEDGMENT The authors would like to acknowledge the valuable participation of R. Mohr in this work. They also wish to thank C. Floc'h for having made every effort in preparing this paper. ...
doi:10.1109/tpami.1984.4767483
fatcat:bnvgt2jqu5gspkrjrwqrijd7s4
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