[Ldsoss] Digitizing handwritten records by stopping spammers (or vice versa)

[Jon D.]

But most of these points are in fact addressed by
reCaptcha.  The idea given below was simply using
handwritten texts, instead of printed books as input,
which would require just a little bit more
verification of accuracy.

-Jon


--- Jacob Sorensen <sorensen at byu.net> wrote:

> I've seen this idea before, and the main problem is
> that digitizing scanned
> words and CAPTCHA are at cross-purposes.  The
> problem in digitizing is that
> the computer doesn't know the word.  In CAPTCHA, the
> computer knows the
> word, and it needs to in order to validate the user.
>  If you don't know for
> sure that the word was typed in correctly, you can't
> validate the user.
> 
> CAPTCHA words can be used to validate once they're
> known, but that kind of
> defeats the purpose.  You could just take the
> "majority" answer, but in
> order to gather a strong majority you would have to
> let some minority
> answers through, some of which may be invalid users
> who should not be
> allowed access.
> 
> I suspect using digitized text for CAPTCHA would not
> provide as much use on
> the digitization side as one might think.
> 
> Jake
> 
> On 10/2/07, Jon D. <jonsafari at yahoo.com> wrote:
> >
> > Here's an idea...
> > Some of you may have seen today's (and previous)
> > Slashdot links on reCaptcha, a cool idea
> > that's starting to be more commonly-used:
> >
> > http://news.bbc.co.uk/2/hi/technology/7023627.stm
> > http://recaptcha.net/learnmore.html
> >
> > Basically they're using a CAPTCHA to digitize old
> > scanned books.[1]
> >
> > This could be applied to handwritten historic
> records.
> > However, it might be hard to trust regular schmoes
> to
> > correctly transcribe handwritten historic texts. 
> One
> > way to address this might be to just ask more
> people
> > the same word, and if they all (or mostly) match,
> we
> > can be fairly certain it's transcribed correctly.
> > Or this could just be used to verify a previous
> manual
> > transcription.
> >
> > Thoughts?
> >
> > -Jon
> >
> >
> >
> > [1] FYI, a CAPTCHA is where you have to type
> > a distorted word - to stop spammers & hackers. 
> For
> > example, when you mistype your password to enter
> gmail
> > or yahoo mail enough times, it'll require you to
> type
> > in a word that's blurred.  The new application of
> this
> > anti-spam technique is to use scanned books as the
> > source of words.
> >
> >
> >
> >
> >
> >
>
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> >
>
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