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Happy Birthday Dr. Dimitri P. Mikhailidis!

Dr. Dimitri P. Mikhailidis.

Dimitri P. Mikhailidis 
Department of Clinical Biochemistry
Royal Free Hospital Campus
University College London Medical School
London
UK

Happy Birthday Dr. Gwo-Jen Hwang!

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Gwo-Jen Hwang 
Department of Information and Learning Technology
National Taiwan University of Science and Technology
Taipei
Taiwan

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World Parkinson’s Day!

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Parkinson’s Disease is a long-term degenerative disorder of the central nervous system that mainly affects the motor system. The symptoms generally come on slowly over time. Early in the disease, the most obvious are shaking, rigidity, slowness of movement, and difficulty with walking.

 

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Recently Published Article – “Online-KHATT: An Open-Vocabulary Database for Arabic Online-Text Processing”

Journal: The Open Cybernetics & Systemics Journal 

Author(s): Sabri A. MahmoudHamzah LuqmanBaligh M. Al-HelaliGalal BinMakhashenMohammad Tanvir Parvez

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Abstract

Background:

An Arabic online text database called Online-KHATT is presented, which addresses the lack of a free benchmarking database of natural Arabic online text. This database consists of natural Arabic online text written without any constraints using digital pen.

Objective:

The main objective of this work is to build a comprehensive benchmarking database of online Arabic text. Part of this objective is the development of tools, techniques and procedures for online text collection, verification and transliteration. Additionally, we built a dataset for segmented online Arabic characters and ligatures with ground truth labeling and present classification results of online Arabic characters using DBN-based HMM.

Method:

The source text of Online-KHATT is the same source text of the unique paragraphs of the KHATT database, along with additional resources to increase the coverage of the database. A 3-level verification procedure aligns the online text with its ground truth. The verified ground-truth database contains meta-data that describes the online Arabic text at the line level using text, InkML and XML formats.

Results:

The database consists of 10,040 lines of Arabic text written by 623 writers using Android- and Windows-based devices. The text lines of Online-KHATT database are randomly distributed into training, testing, and verification sets that contain 70%, 15% and 15% of the text lines of the database, respectively. We have segmented part of the collected data into characters along with their ground truths. We have developed tools for the collection of data (for devices with electronic pen), verification and correction of ground truths, transliteration, and semi-automated segmentation of characters. In addition, we also present the experimental results of Arabic online character recognition using the Online-KHATT database.

Conclusion:

Online-KHATT database can be used for Arabic online text recognition, writer identification and verification, pre-processing and segmentation, etc. In addition, researchers may use the segmented characters to test their segmentation algorithms for use in online text recognition or to train online text classifiers. This database will be made freely available for interested researchers at (http://onlinekhatt.ideas2serve.net/).

To access this article, please visit: https://benthamopen.com/ABSTRACT/TOCSJ-12-42

 

Upcoming Thematic Issue – Advances in Modeling, Analysis and Design of Steel Connections

Tocbtj-THEMATIC FLYER -Vincenzo Piluso

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