From: luigi scarso <luigi.scarso@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: lines tightly fitting together
Date: Wed, 2 Mar 2011 09:33:36 +0100 [thread overview]
Message-ID: <AANLkTi=Mr4YHcMavUidVkrgFahB5XTpmh3ojb0iHnrUW@mail.gmail.com> (raw)
In-Reply-To: <830088CA-2D91-425C-ABD1-75CDB0172677@uva.nl>
On Wed, Mar 2, 2011 at 9:22 AM, Hans van der Meer <H.vanderMeer@uva.nl> wrote:
>
> On 2 mrt 2011, at 07:05, Wolfgang Schuster wrote:
>
> Am 01.03.2011 um 21:59 schrieb Hans van der Meer:
>
> Wolfgang,
>
> Replying directly to your address because the message body is too large.
> Pictures are pixel images of DVB subtitles from telvision broadcast, in case
> youre wondering.
>
> Why don’t you create a real font for this, this will create smaller files
> and you can use it with other programs.
>
> That is beside the point. The problem is not the drawing of letters, but the
> extraction of pixel data from a Transport Stream packets. The specification
> of the DVB-subtitles mentions two variants: (1) string of characters, (2)
> pixel colorvalues to be looked up in a 16-value CLUT. The stream I have at
> hand consists of pixel data in a 720x36 rectangle. Furthermore different
> broadcast stations use different lettertypes. Of course it would be nice if
> I could simply extract the letters, but for the moment this surpasses my
> abilities.
perhaps leptonica can help here .
--
luigi
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next prev parent reply other threads:[~2011-03-02 8:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-01 18:58 Hans van der Meer
2011-03-01 19:21 ` Wolfgang Schuster
2011-03-01 20:06 ` Hans van der Meer
2011-03-01 20:10 ` Hans van der Meer
2011-03-01 20:25 ` Wolfgang Schuster
[not found] ` <D7954E07-DF49-4603-87C5-FA9A61F42BF0@uva.nl>
[not found] ` <CCE9257C-A22E-4DD3-9B14-4E4426212BEF@gmail.com>
2011-03-02 8:22 ` Hans van der Meer
2011-03-02 8:33 ` luigi scarso [this message]
2011-03-02 10:02 ` Hans van der Meer
2011-03-01 23:06 ` Hartmut Henkel
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