Chris, your reply has helped me calibrate my expectations, which is 
probably more important than anything. 

I assume by your statement, "I have fused the images with your parameters 
and the result looks convincing (to me)." you got the same result as the 
fused sample I posted previously.  I am quite happy with it, especially if 
the alternative is increased contrast in the floor and popcorn ceiling. 

I will experiment with your suggestions so I can learn more about the 
available tools. 

Thank you VERY much for helping.

On Monday, June 6, 2016 at 12:08:01 PM UTC-5, cspiel wrote:
>
> 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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