What is Optical Glyph Recognition (OGR)?

Tue Oct 29 17:15:16 UTC 2013

Nice to "meet" you too! I once narrowly missed a chance to try to meet SW
researchers in Rome (it turned out that I was passing through Rome in
August, when most people are away). I hope I will get a second chance some
day.
I will save the samples my students produce for that class later this
month, and pass them on to you electronically.
Best,
Erika

On Tue, Oct 29, 2013 at 1:11 PM, Fabrizio Borgia
<fabrizio.borgia at gmail.com>wrote:

> Dear Erika,
> nice to "meet" you, and thanks for your help! Those texts would be VERY
> useful for us!
> The provenance and the meaning of a SW text have little importance for our
> OGR engine. We, as developers, can of course keep in mind that a particular
> corpus was produced by SW novice and evaluate the consequences: e.g. we
> expect a lesser variety of glyphs from a novice writer, and a greater one
> by an expert.
> Your help is very welcome, and we'd be grateful to run our OGR on your
> datasets!
>
>
>
>
> 2013/10/29 Erika Hoffmann-Dilloway <erhoffma at oberlin.edu>
>
>> Do you have any criteria about the provenance of the handwriting
>> samples?  I teach a linguistic anthropology course at Oberlin about
>> Literacies. I spend one week teaching them about SW and having them produce
>> short texts - we are having that class meeting later this month. These are
>> hearing students who generally know little about sign languages - I
>> introduce them to SW to help expand their notion of what can be written.
>> Sometimes I ask them to write a simple ASL sample, but sometimes I have
>> them write co-speech gestures. Would texts like these - produced by total
>> novices, not necessarily of a SL - be useful? Because if so, I'm happy to
>> share the batches I generate each time I teach this course. But I can
>> imagine they might not be what you're looking for :)
>> Best,
>> Erika
>>
>>
>> On Tue, Oct 29, 2013 at 12:13 PM, Fabrizio Borgia <
>> fabrizio.borgia at gmail.com> wrote:
>>
>>> Dear All,
>>> I'd like to take a moment to explain the work of my team (Université
>>> Toulouse III - Paul Sabatier, Computer Science Department - "Sapienza"
>>> University of Rome) in the latest few years.
>>> We are working at a *Optical Glyph Recogition* (OGR) engine for
>>> SignWriting.
>>>
>>> Well, OGR sounds very much like OCR (which is Optical Character
>>> Recognition) because they both share the same goal: *the conversion of
>>> images of text into characters*. In the OGR case, the characters are
>>> the glyphs.
>>> Apart from the goal, OGR and OCR have very little in common. The design
>>> and the implementation of our application is somewhat different from the
>>> standard OCR design, because we are facing different problems, and
>>> different datasets.
>>>
>>> We know that there's a huge amount of handwritten SW corpora, scattered
>>> around the world, and we believe that they carry an invaluable knowledge,
>>> both for the Deaf Community, and for the Research Community. Our goal is to
>>> make them digital, to *empower their diffusion*, and to *ensure a
>>> long-lasting existence* for them.
>>>
>>> After a very, very thorough design phase, we are developing the OGR
>>> application (and, in confidence, we are about halfway to go) and *soon
>>> we will release a footage showing our software in action*.
>>>
>>> To make our OGR stronger, we need to test it with diffrent datasets (SW
>>> texts, pages, etc.) we need your help, dear SW list!
>>> *We need any kind of handwritten SW texts, in any digital image format.
>>>
>>> *
>>> *Optionally, we'd like them to be:
>>> *
>>>
>>>    - *written in columns*
>>>    - *whithout any segmentation (annotation lines, squares, etc.) from
>>>    one sign to the following one
>>>    *
>>>
>>> Anyone can send us some material (even spare pages will DEFINITLEY do)
>>> or point us in the right direction?
>>> Thanks in advance for your time, from Rome!
>>>
>>> --
>>> Fabrizio Borgia, M.D.
>>>
>>> Ph.D. Student
>>> Sapienza - Università di Roma
>>> Université Toulouse III - Paul Sabatier
>>>
>>> O&M SW Engineering Intern
>>> SERCO S.p.A.
>>>
>>> fabrizio.borgia at gmail.com
>>> fabrizio.borgia at uniroma1.it
>>> fabrizio.borgia at serco.com
>>>  ________________________________________________
>>>
>>>  SIGNWRITING LIST INFORMATION
>>>
>>> Valerie Sutton SignWriting List moderator sutton at signwriting.org
>>>
>>> Post Messages to the SignWriting List: sw-l at listserv.valenciacollege.edu
>>>
>>> SignWriting List Archives & Home Page
>>> http://www.signwriting.org/forums/swlist
>>>
>>> Join, Leave or Change How You Receive SW List Messages
>>> http://listserv.valenciacollege.edu/cgi-bin/wa?SUBED1=SW-L&A=1
>>>
>>>
>>
>>
>> --
>> Erika Hoffmann-Dilloway
>> Assistant Professor of Anthropology
>> Oberlin College
>> ________________________________________________
>>
>>  SIGNWRITING LIST INFORMATION
>>
>> Valerie Sutton SignWriting List moderator sutton at signwriting.org
>>
>> Post Messages to the SignWriting List: sw-l at listserv.valenciacollege.edu
>>
>> SignWriting List Archives & Home Page
>> http://www.signwriting.org/forums/swlist
>>
>> Join, Leave or Change How You Receive SW List Messages
>> http://listserv.valenciacollege.edu/cgi-bin/wa?SUBED1=SW-L&A=1
>>
>>
>
>
> --
> Fabrizio Borgia, M.D.
>
> Ph.D. Student
> Sapienza - Università di Roma
> Université Toulouse III - Paul Sabatier
>
> O&M SW Engineering Intern
> SERCO S.p.A.
>
> fabrizio.borgia at gmail.com
> fabrizio.borgia at uniroma1.it
> fabrizio.borgia at serco.com
>  ________________________________________________
>
>  SIGNWRITING LIST INFORMATION
>
> Valerie Sutton SignWriting List moderator sutton at signwriting.org
>
> Post Messages to the SignWriting List: sw-l at listserv.valenciacollege.edu
>
> SignWriting List Archives & Home Page
> http://www.signwriting.org/forums/swlist
>
> Join, Leave or Change How You Receive SW List Messages
> http://listserv.valenciacollege.edu/cgi-bin/wa?SUBED1=SW-L&A=1
>
>

-- 
Erika Hoffmann-Dilloway
Assistant Professor of Anthropology
Oberlin College

________________________________________________

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