On September 25, 2010 06:56:53 am kfj wrote:
> On Sep 25, 3:02 am, Tduell <tdu...@iinet.net.au> wrote:
> > Hullo All,
> > 
> > I have uploaded a new tutorial [0] to the website which explains the
> > basics of mosiac mode in stitching a mural.
> 
> Nice one! I have a point though where I think your discussion of
> mosaic mode isn't entirely correct: As far as I understand it, those
> parallactic errors that apply to a flat surface when photographed from
> different positions can entirely be corrected by the x-y-z
> optimization. You state that
> 
> "The aim is to have minimal variation in Z, as variation in Z will
> cause parallax errors."
> 
> Judging from my experience you may have to change that statement.

<snip/>


> Please correct me if I'm wrong, but I'm pretty certain I'm not

I also think you're prefectly right.  The variation in Z does not cause the 
parallax errors, but it does amplify the existing (and inevitable) 
perspective.

Yuv

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