Re: a naïve HDR experiment

[Jostein Øksne]

Thanks, Ken.
J.

On 11/21/06, Kenneth Waller <kwaller at peoplepc.com> wrote:
> Well done ! A realistic use of the HDR process.
>
> I've tried one in PS CS@ but I've yet to get acceptable results.
>
> Kenneth Waller
>
> ----- Original Message -----
> From: "Jostein Øksne" <alunfoto at gmail.com>
> Subject: a naïve HDR experiment
>
>
> > Gang,
> >
> >
> > So far, I have understood that HDR images, or rather tone-mapped
> > images, could be a nice tool to render high-contrast scenes in a way
> > closer to what the brain perceives when looking at the scene, within
> > the capabilities of a computer screen. Or a printer output, for that
> > matter.
> >
> > There have been some outrageous examples of images produced with this
> > technique that looks truly outworldly, in the negative sense of the
> > word.
> >
> > So what's the fuss? Time to try. :-)
> >
> > I have no idea if this is the best tool for the job, but it's free:
> > http://www.fdrtools.com/fdrtools_basic_e.php
> >
> > And here's my test. I developed a raw file with the Pentax PhotoLab 3
> > with -1, straight, and +1 stops compensation, and then merged them
> > with the FDRtool. I also tried to develop the raw file two times, with
> > special attention to highlights and shadows, respectively. The
> > highlight priority was then treated to a layer of curves with
> > Photoshop to try to bring back some detail in the shadows.
> >
> > Here's my result. Dialup warning: file is 266 kB, and 1000 pixels wide.
> >
> > http://www.oksne.net/paw/hdrtest.html
> >
> > I have no idea if I've done it right, but I think it looks promising
> > as a technique to handle this kind of light situation. I'd very much
> > like to hear your thoughts too.
> >
> > The pic, btw, is taken in Oxfordshire one December evening last year,
> > on an evening stroll by the Thames with mr. Ptaak Cottrell. :-)
> >
> > Cheers,
> > Jostein
> >
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