there indeed is something odd with that car shot. if i leave the clipping
threshold at 1.0 it does nothing and stays magenta. i remember a similar
bug with the LCh method, but forgot what the solution was. apart from that
it's a terrible exposure of course. perfect test footage :)
j.
On Fri, Apr 11, 2014 at 10:44 AM, Moritz Moeller <virtualr...@gmail.com>wrote:
> Hello Simon.
>
> > just on a side note: the "filled" highlight in your screenshot looks
> > aweful to me - just filled with some artificial blue that can't be found
> > anywhere on the car hood. And if you look closer you can even see an
> > edge at the position where the blown highlight starts. This doesn't look
> > like "reconstruction" (which would mean there was some information at
> > all) but more like some "filling with what RT thinks might suit".
>
> I guess we have different expectations and requirements as to what
> highlight reconstruction means and should do.
> Certainly there are quite a few people who need what RT offers or no one
> would have bothered implementing it.
>
> Yes, there is mach banding when I use very extreme settings in RT. But I
> can just adjust the 'wrong color guess' (the yellow tint) around the
> actual highlight (whose color is pretty spot on, I'd say), by adding
> come local color correction elsewhere in the pipe.
>
> The real issue is detail (and thus, highlight size).
> The reconstructed highlight in RT has details brought out that I simply
> cannot get back with DT's color reconstruction.
>
> At the end, the highlight in DT always has about twice the size of that
> you see in the screenshot of RT.
>
> Try yourself.
>
> .mm
>
>
>
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