> To do this, Hugin would need:
>
> A nona option to automatically remove blown out areas
> from input photos when remapping,
Implemented in changeset f08e456e35d3. Call nona with option --clip-
exposure to mask all under and overexposed areas automatically.
> An additional output option that does exposure correction
> like 'normal' output, but which uses enfuse to merge
> stacks like the existing 'exposure fusion' output.
I decided against implementing a hard coded version for this case. Instead I
added in changeset e742ac9250cd an "user-defined output" mode. This is more
flexible and allows also to add other variants. The zero noise output is added
as example.
Further modifications can now added more easily.
** Changed in: hugin
Status: Triaged => Fix Committed
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https://bugs.launchpad.net/bugs/683448
Title:
Hugin should support 'zeronoise' output
Status in Hugin:
Fix Committed
Bug description:
This is a feature that should be easy enough to add, we figured all
this out a while back but I haven't got around to writing it up.
'zeronoise' is a tool that combines bracketed exposures to produce
output with reduced noise in dark areas, Hugin could do the same thing
(but much better) as an alternative to the usual enfused output. You
can reproduce the technique like this:
Shoot a bracketed stack (or more than one) with the shortest exposure
the 'right' one, and with additional overexposed shots to capture dark
areas.
Remove any 'blown out' areas of the overexposed shots by setting 100%
transparency to these areas, this is very important.
Photometrically align them in Hugin and generate 'Normal' output with
individual remapped images, i.e. you will end up with a series of
photos that all have the same 'exposure', except they started as
differently exposed photos. Some shots will have more noise that
others, and others will have transparent areas where there should be
highlights.
Now run them through enfuse. It turns out that enfuse is _very_ good
at picking the lowest noise data from each shot, you will end up with
a photo that looks just like a normal photo except with hardly any
noise.
To do this, Hugin would need:
A nona option to automatically remove blown out areas from input
photos when remapping, actually I suspect this would be generally
useful when using enfuse 'normally'. Note that a 'blown out' area may
only be saturated in a single channel.
An additional output option that does exposure correction like
'normal' output, but which uses enfuse to merge stacks like the
existing 'exposure fusion' output.
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