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GSoC/2013/Project ideas

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# Rajeesh K Nambiar ('''rajeeshknambiar''' on irc.freenode.net)
# Vasudev Kammath ('''copyninja''' on irc.freenode.net)
# Hussain K.H
# Jishnu Mohan ('''jishnu7''' on irc.freenode.net)
# Hrishikesh K.B ('''stultus''' on irc.freenode.net)
# Anivar Aravind ('''anivar''' on irc.freenode.net)
# Anilkumar K V ('''anilkumar''' on irc.freenode.net)
# Sajjad Anwar ('''geohacker''' on irc.freenode.net)
# Deepa V Gopinath ('''deepagopinath''' on irc.freenode.net)
# jain Basil ('''jainbasil''' on irc.freenode.net)
=Ideas for Google Summer of Code 2013=
* Please Read the [http://wiki.smc.org.in/SoC/2013#FAQ FAQ]
===<big>'''Apart from the following ideas , you can propose your own ideas==='''<If you want to propose an idea, please do it in [http://lists.smc.org.in/listinfo.cgi/discuss-smc.org.in project mailing list]big>
== Internationalize SILPA project with Wikimedia jquery projects=='''Project''':  SILPA project has many Indic language applications, but as of now, if somebody If you want to input in Indian languagespropose an idea, there is no built in tool in please do it. Similarly, the application is not internationalized. Both of these can be achieved by using the jquery.ime and jquery.i18n libraries from Wikimedia. A sample implementation is avaliable in our [http://lists.smc.org.in website]/listinfo. The i18n should be in the SILPA flask framework with a nice templating system. Similarly the interface should have webfonts using jquery.webfonts library. * '''[https:cgi//savannah.nongnudiscuss-smc.org/task/index.php?12557 Savannah Task]'''* '''Expertise required''': jquery, css, html5, python , flask* '''Mentor''' : Hrishikesh K B====More Details====* [https://github.com/wikimedia/jquery.i18n jquery.i18n]* [https://github.com/wikimedia/jquery.ime jquery.ime]* [https://github.com/wikimedia/jquery.webfonts jquery.webfontsin project mailing list]>
== A spell checker for Indic language that understands inflections ==
SILPA project has a spellchecker written using python with a not so simple algorithm. But still it is not capable of handling inflection and agglutination occurring in Indian languages especially south Indian languages. The dictionary we have for Malayalam spellchecker have about 150000 words. Of course we can expand the dictionary, but that doesn't have much value since words can be formed in Malayalam or Tamil etc by joining multiple words. In addition to that, words get inflected based on grammar forms(sandhi), plural, gender etc. Hunspell has a system to handle this, but so far nobody succeeded in getting it working for multi level suffix stripping as required for Malayalam. Some times a Malayalam word can be formed by more than 5 words joining together. We will need a word splitting logic or a table taking care of all patterns. The project is to attempt solving this with hunspell. If that is not feasible(hunspell upstream is not active), develop an algorithm and implement it.
 
Recently Tamil attempted developing a spellchecker using Hunspell with multi level suffix stripping. You can see the result here https://github.com/thamizha/solthiruthi.
Our attempt should be first to use Hunspell to achieve spellchecking with agglutination and inflection. Probably it will require lot of scripting to generate suffix patterns, we can ask help from existing language communities too. If Hunspell has limitation with multi level suffxes- sometimes Indian languages require more than 5 levels of suffix stripping, we need to document it(bug and documentation) and try to attempt python based solution on top of SILPA framework.
* '''[https://savannah.nongnu.org/task/index.php?12558 Savannah Task]'''
* '''Expertise required''': Basic Average level understanding of grammar system of at least one Indian language* Complexity: Advanced
* '''Mentor''' : Santhosh Thottingal
'''Project''':
ConTeXt is another TeX macro system similar to LaTeX but much more suitable for design. To find more information about ConTeXt, see the wiki http://wiki.contextgarden.net/Main_Page. ConTeXt MKII is supposed to have Indic language rendering support using XeTeX, . but in practice we have found it lacking. MKII is deprecated anyway, and the new MKIV backend doesn't support Indic rendering yet. The aim of this project is to add support to Inidic rendering to ConTeXt MKIV. XeTeX is using Harfbuzz to do correct Indic rendering.
* '''[https://savannah.nongnu.org/task/index.php?12559 Savannah Task]
* '''Mentor''' : Rajeesh K Nambiar
==Automated Rendering Testing==* '''ProjectMore Details''': Automated Rendering Testing system for Indic languages. Currently there exists 3 main rendering engines in computing world - Uniscribe of Microsoft, CoreText ConTeXt mkii (Apple Advance Typography - AATdeprecated) of Apple and Harfbuzz for *nix systems. The Opentype font specification is maintained by Microsoft and implemented in Uniscribe, which is used as baseline can work with XeTeX backend for Harfbuzz. At present, there is no automated mechanism to determine if Harfbuzz is rendering complex Indic text correctly or not - someone expert in relevant language has to manually inspect the output from hb-view. The project aim is to identify and implement an automated method to test the rendering.One method to do this might be to check the order of glyphs/glyph indices output by the rendering engine - this depends on the font too. A related topic Here is UTRRS a sample file: \usemodule[simplefonts]* ''' \definefontfeature[malayalam][https://savannah.nongnu.org/task/index.php?12560 Savannah Taskscript=mlym]'''* '''Expertise required''': Knowledge of Indic language rendering and Opentype specification. \setmainfont[Rachana][features=malayalam]* '''Mentor''' : Rajeesh K Nambiar \starttext മലയാളം \TeX ഉപയോഗിച്ച് ടൈപ്പ്സെറ്റ് ചെയ്തത്====More Details==== \stoptext* https://fedorahosted.org/utrrs/ Generate the output using command* http://tdil texexec --dcxetex <file.in/utrrs/home/about == Create Bold and Italic variants for Meera and Rachana =='''Project''' :The Meera font has only regular version now. Synthetic bold and italic is not perfect and suitable for Malayalam. Create a bold and italic variant version for the Meera and Rachana fontstex>
 '''Expertise required''':Digital typography, good understanding of Malayalam writing system, fontforge, understanding of rendering engines like Harfbuzz. '''Possible Mentor''' : Hussain K H * '''[https://savannah.nongnu.org/task/index.php?12553 Savannah Task]''' ==Flask Based SILPABASED==
===Port remaining modules to the new flask based Silpa===
'''Project''': Silpa is being re-written using flask framework. Core part is almost complete. But most of the sub modules written under old framework are need to be ported to [http://flasksilpa-indic.rhcloud.com/ new framework].
'''Mentor''' : Vasudev/Jishnu
===add Urdu/Arabic support for all modules in SILPA.===
== Converting indic processing modules currently in SILPA into Jquery library =='''Project''': Port some of the silpa algorithms to Jquery. '''Expertise required''': javascriptpython,Flask, HTML,JQueryJavascript, pythonCSS,jinja
'''Mentor''' :JishnuVasudev
=== Improving cross language transliteration system. ===
'''Project''':
Currently only Kannada and Malayalam are perfect rest all are first converted to Malayalam then to English due to lack of language internal. Also currently for English to Indic we use CMUDict so transliteration capability is limited to words in CMUDict only probably we could develop better method for English to Indic transliteration
 
CLDR has transliteration data for Indic languages. We can explore it and see the feasibility. For an intermediate representation of the scripts either IPA can be used or ISO 15919 standard can be used. All these must be supplemented with exception rules and special case handling to achieve more perfect result.
'''Expertise required''':python
'''Mentor''' : Vasudev/Jishnu
=== Internationalize SILPA project with Wikimedia jquery projects , Improve the webfonts module in Silpa using jquery.webfonts and provide more Indic and complex fonts as part of it ===
'''Project''':
'''Internationalize SILPA''' :- SILPA project has many Indic language applications, but as of now, if somebody want to input in Indian languages, there is no built in tool in it. Similarly, the application is not internationalized. Both of these can be achieved by using the [//github.com/wikimedia/jquery.ime jquery.ime] and [//github.com/wikimedia/jquery.ime jquery.i18n] libraries from Wikimedia. A sample implementation is avaliable in our [http://smc.org.in website]. The i18n should be in the SILPA flask framework with a nice templating system. Similarly the interface should have webfonts using [https://github.com/wikimedia/jquery.webfonts jquery.webfonts] library.
== '''Improve Improving the webfonts module in Silpa using jquery.webfonts and proving more Indic and complex fonts as part of it. =='''Project''':-
* Currently Silpa provides 36 webfonts. add more fonts to this collection.
* Rewrote webfonts module to use the features of jquery.webfonts
* Provide font preview and download options
====More Details====* [https://github.com/wikimedia/jquery.i18n jquery.i18n]* [https://github.com/wikimedia/jquery.ime jquery.ime]* [https://github.com/wikimedia/jquery.webfonts jquery.webfonts] '''Expertise required''':jQuery, css, html5, Python , flask , technical understanding about fonts  '''Mentor''' : Hrishikesh K B / Sajjad Anwar  ==Building a system and API's for accessing and upadating Malayalamgrandham Bibligiography Data==[http://www.malayalagrandham.com/about/ Malayala Grantha Vivaram] is a project intended to make available reliable bibliographic information on all Malayalam books published in Kerala and elsewhere. This Open data set contains Complete bibliography data from first Impression to 1995. This project wants to add following features to Malayalagrandham DB and build it as a bibliography web service * Facility for adding/linking copyright expired books to malaylagrandha vivaram * Adding ISBN & ISBN based seller discovery * Building Interface for Publishers through with they can contribute their publication bibliography .* Similar module for Libraries . That will be added to found in library section of each book* A module for building qr code of bibliography with a malayalagrandham link* Crowd sourced way for input and an approval queue interface for submissions. * MARC21 and MARCXML support * A dynamic visualisation interface for book information browsing* proper API , and app work flow documentation '''Expertise required''': Django / Ruby on Rails '''Mentor''': Anivar
'''MentorRelated Links''' * https: Jishnu//github.com/smc/malayalagrandham* http://malayalagrandham.com/about
==Adding Indic Sript Rendering Support Braille Keyboard layouts for Indian Languages to GIS applications ==m17n Library===Add proper Indic / Malayalam rendering to Mapnik=== Mapnik is a free mapping toolkit, written in C++. One of it's major users is OpenStreetMap. If you check OpenStreetMap, you can see that Languages like Russian, Arabic, Persian, Chinese etc are rendered in it (Not sure whether they are properly rendered or not). The lack of proper Indic support is the major reason for the absence of Malayalam.
* '''[https:Project is building support for Bharati Braille keyboard layouts in GNU//savannahLinux systemes. Bharati Braille standard is the official Braille standard in India. A regular QWERTY keyboard is used for data entry. SDF-JKL keys are used for six dots of Braille.nongnuThis support need to be built as m17n layouts.orgThis will enable visually challenged people who studied braille layouts to use GNU/task/index.php?12554 Savannah Task]'''Linux systems easily with the help of Audio feedback from TTS
====More Details====
* http://mapnikwww.acharya.gen.in:8080/disabilities/bh_brl.php* http://en.wikipedia.org/wiki/Bharati_Braille* http://www.openstreetmapnongnu.org/m17n/ '''Mentor''': Anilkumar K V ==Developing Malayalam Calendar Support == This project is to build Malayalam Calendar support to KDE. Korganiser have support for many calendars like Saka, Hijri, Jalali. The project is to build support for Malayalam Calendar (Kolla Varsham)
===Add Indic / Malayalam rendering to MapServer + OpenLayers stack.===Both Following tasks are OSGeo projects, and used in most part of the WebGIS applications recently. MapServer is an open source development environment for building spatially enabled internet applications. OpenLayers is an open source JavaScript library for displaying map data in web browsers. OpenLayers is used by OpenStreetMap for its "slippy map" map interfacethis work .* '''[https:Building Malayalam (kollavarsham) Calendar support to KDE//savannahKOrganiser.nongnu.org/task/index* Add holidays and other special times.php?12555 Savannah Task]'''
====More Details====
* Understanding of Astronomical Algorithms* http://wwwmalayalam.mapserverusvishakh.orgnet/calendars/panj_theory.pdf* httphttps://www.openlayersgithub.com/smc/smc/tree/master/calendar/java/src/org/panchanga/indic ==== Starting Points ==== * http[https://wwwgithub.com/smc/smc/tree/master/calendar/kde Build KDE from source]* Familiarize with how Saka and other calendars are done.osgeo '''Mentor''': Praveen A, Mahesh M ==Language model and Acoustic model for Malayalam language for speech recognition system in CMU Sphinx== CMU Sphinx is a large vocabulary, speaker independent speech recognition codebase and suite of tools, which can be used to develop speech recognition system in any language. To develop an automatic speech recognition system in a language, acoustic model and language model has to framed for that particular language. Acoustic models characterize how sound changes over time. It captures the characteristics of basic recognition units. The language model describes the likelihood, probability, or penalty taken when a sequence or collection of words is seen. It attempts to convey behavior of the language and tries to predict the occurrence of specific word sequences possible in the language. Once these two models are developed, it will be useful to every one doing research in speech processing. For Indian languages Hindi, Tamil, Telugu and Marati, ASR systems have been developed using sphinx engine. In this project work is aimed at developing acoustic model and language model for Malayalam.org/
'''Mentor''': Deepa P. Gopinath===Add proper Indic / Malayalam support and rendering to GRASS GIS.Background Reading ===It is used by a number of organizations for analysing GIS data, creating maps etc. GRASS also is an OSGeo project. It is in the process of rewriting the old Tcl/Tk interface in the new wx-python.
* '''[https://savannah.nongnu.org/task/index.php?12556 Savannah Task]'''
* [http://www.cs.cmu.edu/~gopalakr/publications/spdatabases_specom05.pdf 'Development of Indian Language Speech Databases for Large Vocabulary Speech Recognition Systems'], Gopalakrishna Anumanchipalli, Rahul Chitturi, Sachin Joshi, Rohit Kumar, Satinder Pal Singh, R.N.V. Sitaram, S P Kishore * [http://www.aclweb.org/anthology/W/W12/W12-5808.pdf "Automatic Pronunciation Evaluation And Mispronunciation Detection Using CMUSphinx"], Ronanki Srikanth, James Salsman * http://www.speech.cs.cmu.edu/* http://cmusphinx.sourceforge.net/wiki/tutorial * [http://www.ijarcsse.com "HTK Based Telugu Speech Recognition"], P. Vijai Bhaskar, AVNIET ,Hyderabad, Prof. Dr. S. Rama Mohan Rao, A.Gopi  * [http://www.cs.cmu.edu/~araza/Automatic_Speech_Recognition_System_for_Urdu.PDF "Design and Development of an Automatic Speech Recognition System for Urdu"], Agha Ali Raza, M.Sc. Thesis, FAST‐National University of Computer and Emerging Sciences  * [http://www.ccis2k.org/iajit/PDF/vol.6,no.2/11IASRUCSS186.pdf "Investigation Arabic Speech Recognition Using CMU Sphinx System"], Hassan Satori1, 2, Hussein Hiyassat3, Mostafa Harti1, 2, and Noureddine Chenfour * [http://www.try.idv.tw/static-resources/homework/pr/PR_Final_Report.pdf "Understanding the CMU Sphinx Speech Recognition System"], Chun-Feng Liao ==Enhancement of Indic Language Support in Scribus==More Details ===Project Description===* Scribus is an Open Source program that brings professional page layout to Linux/UNIX. Find more about scribus [http://grasswww.osgeoscribus.net here]. Indic Languages are not supported completely in Scribus as of now. As a result of the work done by a group of developers from India, there is a branch available in Scribus public git repo which supports Indic Languages. The aim of this idea is to Enhance the Indic language support solving the following issues: * Harfbuzz is being used as a thrid party code in Scribus. Maintaining thirdparty code is a tedious task, this should be added as a dependency instead.* Enhance hyphenation by adding hyphenation rules. '''Expertise Required:''' Good understanding of C, C++, Qt, Harfbuz etc, cmake.org/
'''Mentor''': Praveen A===More information===
==Building a system and API's for accessing and upadating Malayalamgrandham Bibligiography Data==[http* Branch indic in scribus public git repository. Clone url: git clone git://wwwgit.malayalagrandhamscribus.comnet/about/ Malayala Grantha Vivaram] is a project intended to make available reliable bibliographic information on all Malayalam books published in Kerala and elsewherescribus. This Open data set contains Complete bibliography data from first Impression to 1995. This project wants to add following features to Malayalagrandham DB and build it as a bibliography web service git* Facility for adding copyright expired books to malaylagrandha vivaram [[Hyphenation]]* Adding ISBN* Building Interface for Publishers through with they can contribute their publication bibliography [http://wiki.* Similar module for Libraries scribus. That will be added to found in library section of each book* A module for building qr code of bibliography with a malayalagrandham link net/canvas/Git#To_sum_it_up_:_how_to_get_and_compile_a_specific_branch_:_indic_of_scribus. It can be used by publishers and libraries* Crowd sourced way for input and an evaluation interface for submissions. * MARC21 and MARCXML support git Compile scribus indic branch]
'''Expertise requiredMentor''' :Jain Basil Aliyas (jainbasil in IRC)
'''MentorComplexity''' : Baiju M /AnivarAdvanced