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GSoC/2013/Project ideas

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=Mentors=
# Santhosh Thottingal ('''santhosh''' on irc.freenode.net)# Baiju M ('''baijum''' on irc.freenode.net)# Praveen A ('''j4v4m4n''' on irc.freenode.net)# Rajeesh K Nambiar ('''rajeeshknambiar''' on irc.freenode.net)# Vasudev Kammath ('''copyninja''' on irc# Hussain K.freenode.net)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'''</big>
If you want to propose an idea, please do it in [http== Internationalize SILPA project with Wikimedia jquery projects=='''Project'''://lists.smc.org.in/listinfo.cgi/discuss-smc.org.in project mailing list]>
== A spell checker for SILPA project has many Indic language that understands inflections ==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 jquery.ime and 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 jquery.webfonts library.* [https://github.com/wikimedia/jquery.i18n jquery.i18n]* [https://github.com/wikimedia/jquery.ime jquery.ime]'''Project'''* [https://github.com/wikimedia/jquery.webfonts jquery.webfonts]
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''Expertise required''': jquery, words get inflected based on grammar forms(sandhi)css, pluralhtml5, 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.python
Recently Tamil attempted developing a spellchecker using Hunspell with multi level suffix stripping. You can see the result here https'''Mentor''' ://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.Hrishikesh
* '''[https://savannah.nongnu.org/task/index.php?12558 Savannah Task]'''* '''Expertise required''': Average level understanding of grammar system of at least one Indian language* Complexity: Advanced* '''Mentor''' : Santhosh Thottingal ==A spell checker for Indic rendering support in ConTeXtlanguage that understands inflections ==
'''Project''':
ConTeXt SILPA project has a spellchecker written using python with a not so simple algorithm. But still it is another TeX macro not capable of handling inflection and agglutination happening in Indian languages especially south indian languages. The dictionary we have for Malayalam spellchecker is having 150000 words. Of course we can expand the dictionary, but that has no 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 similar to LaTeX handle this, but much more suitable so far nobody succeeded in getting it working for multi level suffix stripping as required for designMalayalam. To find Some times a malayalam word can be formed by more information about ConTeXt, see the wiki http://wikithan 5 words joining together.contextgarden.net/Main_Page. ConTeXt MKII have Indic language rendering support using XeTeX. but MKII is deprecated, and the new MKIV backend doesn't support Indic rendering yetWe will need a word splitting logic or a table taking care of all patterns. The aim of this project is to add support to Inidic rendering to ConTeXt MKIVattempt solving this inside hunspell. XeTeX If that is not feasible(hunspell upstream is using Harfbuzz to do correct Indic renderingnot active), develop and algorithm and implement it.
* '''[https://savannah.nongnu.org/task/index.php?12559 Savannah Task]* '''Expertise required''': Understanding Basic understanding of the TeX grammar system, experience in either LaTeX or ConTeXt and basic understanding of Indic atleast one Indian language rendering. MKIV uses Lua, familiarity with Lua, opentype specifications or Harfbuzz will be added advantage.
* '''Mentor''' : Rajeesh K NambiarSanthosh Thottingal
* '''More Details''': ConTeXt mkii (deprecated) can work with XeTeX backend for ==Indic renderingsupport in ConTeXt. Here is a sample file: \usemodule[simplefonts] \definefontfeature[malayalam][script=mlym] \setmainfont[Rachana][features=malayalam] \starttext മലയാളം \ConTeXt is another TeX ഉപയോഗിച്ച് ടൈപ്പ്സെറ്റ് ചെയ്തത്macro system similar to LaTeX but much more suitable for design. (We already have rendering module \stoptextGenerate in SILPA this can be improved to allow the output using command texexec --xetex <fileimplementation of above idea.tex>)
==SILPA BASED=====Port remaining modules to the new flask based Silpa==='''ProjectExpertise required''': 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].
'''Expertise requiredMentor''': Python , Flask , Jinja , HTML, JavascriptRajeeesh Nambiar
'''Mentor''' : Vasudev/ Jishnu==Automated Rendering Testing==Automatic Rendering Testing system for Indian languages
===Provide REST API for new flask based Silpa, including conversion of templates to this REST API from JSON RPC==='''Expertise required''':'''ProjectMentor''': Silpa is now relying on JSONRPC. We need to, either completely move to REST API or provide REST API as an additional feature.Rajeeesh Nambiar
== Create Bold and Italic variants for Meera and Rachana =='''Expertise requiredProject''': Python , Flask , Jinja , HTML, JavascriptThe 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 fonts
'''Mentor''' : Vasudev/Jishnu
===Separate templates from SILPA and have it inside modules packaged for pypi==='''ProjectExpertise required''': The templates used as User Interface is part Digital typography, good understanding of SILPA. this should be separated and should come as a part Malayalam writing system, fontforge, understanding of individual modulesrendering engines like Harfbuzz.
[https'''Possible Mentor''' ://github.com/copyninja/Silpa-Flask/issues/4 this] should give more idea on itHussain K H
== Port remaining modules to the new flask based Silpa =='''Expertise requiredProject''':python,Flask, HTML,Javascript,CSS,jinja
'''MentorExpertise required''' : Vasudev/Jishnu
===add Urdu'''Mentor''' : Rajeeesh Nambiar/Arabic support for all modules in SILPA.===Jishnu
'''Expertise required''':python,Flask, HTML,Javascript,CSS,jinja  '''Mentor''' : Vasudev === Improving cross language transliteration systemProvide REST API for new flask based Silpa, including conversion of templates to this REST API from JSON RPC. ===
'''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 Separate templates from 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 have it =inside modules packaged for pypi =='''Project''':
'''Internationalize SILPA''' [https:- 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/wikimediacopyninja/jquery.ime jquery.ime] and [Silpa-Flask/issues/github.com/wikimedia/jquery.ime jquery.i18n4 this] 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.give more idea on it
'''Improve the webfonts Expertise required''' :- * Currently Silpa provides 36 webfonts. add more fonts to this collection.* Rewrote webfonts module to use the features of jquery.webfonts* reate a repo as per jquery.webfonts specification* Provide a clean api so that other websites can use our webfonts in their websites* Document the usage* 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 Vasudev/ Sajjad Anwar Jishnu
==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
== Converting indic processing modules currently in SILPA into Jquery library =='''Expertise requiredProject''': Django / Ruby on RailsPort some of the silpa alogorithms to javascript
'''MentorExpertise required''': Anivarjavascript, python
'''Related LinksMentor'''* https:Vasudev//github.com/smc/malayalagrandham* http://malayalagrandham.com/aboutJishnu
== Adding Braille Keyboard layouts for Indian Languages to m17n Library Improving cross language transliteration system. =='''Project''':
Project is building support 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 Bharati Braille keyboard layouts in GNU/Linux systemes. Bharati Braille standard English to Indic we use CMUDict so transliteration capability is the official Braille standard limited to words in India. A regular QWERTY keyboard is used for data entry. SDF-JKL keys are used CMUDict only probably we could develop better method for six dots of Braille. This support need to be built as m17n layouts. This will enable visually challenged people who studied braille layouts English to use GNU/Linux systems easily with the help of Audio feedback from TTSIndic transliteration
====More Details====* http'''Expertise required'''://www.acharya.gen.in:8080/disabilities/bh_brl.php* http://en.wikipedia.org/wiki/Bharati_Braille* http://www.nongnu.org/m17n/
'''Mentor''': Anilkumar K VVasudev/Jishnu
==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)
Following tasks are == Improving the webfonts module in Silpa using jquery.webfonts and proving more Indic and complex fonts as part of this work it.==* Building Malayalam (kollavarsham) Calendar support to KDE/KOrganiser.* Add holidays and other special times.'''Project''':
====More Details====* Understanding of Astronomical Algorithms* http'''Expertise required'''://malayalam.usvishakh.net/calendars/panj_theory.pdf* https://github.com/smc/smc/tree/master/calendar/java/src/org/panchanga/indic
==== Starting Points ===='''Mentor''' : Vasudev/Jishnu
* [https://github.com/smc/smc/tree/master/calendar/kde Build KDE from source]
* Familiarize with how Saka and other calendars are done.
==Adding Indic Sript Rendering Support to GIS applications =====Add proper Indic / Malayalam rendering to Mapnik=== Mapnik is a free mapping toolkit, written in C++. One of it'''Mentor'''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.* http://mapnik.org/* http://www.openstreetmap.org/ ===Add Indic / Malayalam rendering to MapServer + OpenLayers stack.===Both are OSGeo projects, and used in most 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 interface.* http://www.mapserver.org/* http://www.openlayers.org/* http: Praveen A//www.osgeo.org/===Add proper Indic / Malayalam support and rendering to GRASS GIS.===It is used by a number of organizations for analysing GIS data, Mahesh Mcreating 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.* http://grass.osgeo.org/
==Language model and Acoustic model for Malayalam language for speech recognition system in CMU Sphinx=='''Mentor''': Praveen A
CMU Sphinx is ==Building a large vocabulary, speaker independent speech recognition codebase systme 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 API's 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 accessing 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. '''Mentor''': Deepa P. Gopinath=== Background Reading =upadating Malayalamgrandham Bibligiography Data==  * [http://www.csmalayalagrandham.cmu.educom/~gopalakr/publicationsabout/spdatabases_specom05.pdf 'Development of Indian Language Speech Databases for Large Vocabulary Speech Recognition Systems'Malayala Grantha Vivaram], Gopalakrishna Anumanchipalli, Rahul Chitturi, Sachin Joshi, Rohit Kumar, Satinder Pal Singh, Ris a project intended to make available reliable bibliographic information on all Malayalam books published in Kerala and elsewhere.NThis Open data set contains Complete bibliography data from first Impression to 1995.V. Sitaram, S P KishoreThis project wants to add following features to Malayalagrandham DB and build it as a bibliography web service * [http://www.aclweb.org/anthology/W/W12/W12-5808.pdf "Automatic Pronunciation Evaluation And Mispronunciation Detection Using CMUSphinx"], Ronanki Srikanth, James SalsmanFacility for adding copyright expired books to malaylagrandha vivaram * http://www.speech.cs.cmu.edu/Adding ISBN* 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 Building Development of an Automatic Speech Recognition System Interface for Urdu"], Agha Ali Raza, Publishers through with they can contribute Mtheir publication bibliography .Sc. Thesis, FAST‐National University of Computer and Emerging Sciences  * [http://wwwSimilar module for Libraries .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== ===Project Description=== Scribus is an Open Source program that brings professional page layout That will be added to Linux/UNIX. Find more about scribus [http://www.scribus.net here]. Indic Languages are not supported completely found in Scribus as library section 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:each book* Harfbuzz is being used as A module for building qr code of bibliography with a thrid party code in Scribusmalayalagrandham link . Maintaining thirdparty code is a tedious task, this should It can be added as a dependency instead.* Enhance hyphenation used by adding hyphenation rules. '''Expertise Required:''' Good understanding of C, C++, Qt, Harfbuz etc, cmake. ===More information===publishers and libraries* Branch indic in scribus public git repositoryCrowd sourced way for input and an evaluation interface for submissions. Clone url: git clone git://git.scribus.net/scribus.git* [[Hyphenation]]* [http://wiki.scribus.net/canvas/Git#To_sum_it_up_:_how_to_get_and_compile_a_specific_branch_:_indic_of_scribus.git Compile scribus indic branch] MARC21 and MARCXML support
'''MentorExpertise required''' : Jain Basil Aliyas (jainbasil in IRC)
'''ComplexityMentor''' : AdvancedBaiju M /Anivar
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