Twalp -
        THX for supplying the actual images!

Your scene has an _enormous_ range of contrast
that you want to squeeze into an image to be
displayed on a computer screen (or even worse a
print on paper).  These "inside-looking-outside"
images are amongst the most demanding not only
for Enfuse.  Enfuse tends to render scenes quite
"naturally" in contrary to a distinctive
HDR-look and thus has to sacrifice other things,
which, in your case, means local contrast in the
highlights.

I have fused the images with your parameters and
the result looks convincing (to me).  You could
immediately gain more contrast in "the outdoors"
by _reducing_ the number of pyramid levels.  Add
for example
        --levels=-1
or
        --levels=-2
to your best command line.  The result will look
more like a typical HDR image including all the
unnatural contrast in the floor and plafond.
However, the contrast in the window and clouds
will increase.

Other ideas (besides taking your images again):
 * Load the Enfuse output image into your
   favorite editor and tweak with e.g. "Curves"
   or a similar tool.
 * Play with different exposure weighting curves
   (while having `--contrast-weight=0'), this
   is, `--exposure-weight-function' in
   conjunction with `--exposure-optimum'.  YMMV,
   though.
 * Fall back to a plain HDR work-flow.  See also
   Appendix A.4 of the Enfuse Manual.


Thanks,
        Chris

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