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Posted by PTravel on 07/03/06 08:17
"Toby" <kymarto123@ybb.ne.jpp> wrote in message
news:44a8a56d$0$74509$bb4e3ad8@newscene.com...
>
> "PTravel" <ptravel@travelersvideo.com> wrote in message
> news:4p_pg.114415$H71.15484@newssvr13.news.prodigy.com...
>>
>> "Martin Heffels" <youwishyouwouldknow@nottellinya.com> wrote in message
>> news:hfiga2t7ffprp0nce5eu1mdldo0aa83lnt@4ax.com...
>>> On Sun, 02 Jul 2006 22:17:40 GMT, "PTravel" <ptravel@travelersvideo.com>
>>> wrote:
>>>
>>>>I was thinking more in line with the video equivalent of an audio
>>>>compander -- something that can take the limited range that's available
>>>>and
>>>>expand it. For example, if Na lights put out light limited to 240-245
>>>>angstroms (I'm just making up numbers here), something that would
>>>>extrapolate on the video so that the lower range fell closer to red and
>>>>the
>>>>upper range closer to blue would provide a more varied, albeit false,
>>>>coloration.
>>>>
>>>>Hmmm. Have I just invented a new filter?
>>>
>>> Want to have Ira Tiffen's e-mail address? :-)
>>>
>>> You could with some clever mathematics expand the range and fill in the
>>> gap
>>> on your computer,
>>
>> That's exactly my thought.
>
> To what end? Who would want such a thing? Besides, you would end up with a
> horrible posterization effect. Imagine trying to recreate 16 bit color
> from 4 bit color information...
I've never understand a question like this.
I would want something like this. To my own end. Does this bother you?
As for posterization, I don't think so.
>
> Toby
>
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