"Edouard" <pov### [at] edouardinfo> wrote:
> "Kenneth" <kdw### [at] earthlinknet> wrote:
>
> > The only drawback I've noticed when averaging frames is that any scene elements
> > that are supposed to be *really* bright (like looking directly at a
> > motion-blurred lightbulb) will end up being smeared out to a dimmer, translucent
> > streak (when the same thing captured on *film* would be a very bright streak.)
> > Because of the inherent averaging of the 'moving' lightbulb with its dimmer
> > background. Someone on the newsgroups pointed this out to me awhile ago; but
> > most of the time, averaging-of-frames works quite well.
>
> Not if you set the output file format to HDR (radience) or OpenEXR - the
> highlights are preserved correctly with those. That's how I do my all frame
> averaging.

Good point, I'd forgotten about that! Yeah HDR is kind of important. It's not
obvious in this scene because only the highlight is brighter than white.

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