On Jan 26, 3:44 am, cgat <[email protected]> wrote:
>
> I am involved in a project that repeats history survey images in the
> Canadian Rockies (www.mountainlegacy.ca).

> part of the overlay
> process is to scale the historic image down, center (which is usually
> off), and rotate so the images match as much as possible.  Our current
> workflow involves manually executing these procedures in photoshop for
> each pair.  However, I believe that Hugin/panotools has some real
> potential in automating this process.  The key though is automatic
> control point detection. I've struggled to get this to work between
> the images.

I haven't run any tests with your photos, but I suspect that the
existing automatic control point generators are extremely sensitive to
lighting and texture variations between shots.

Have you tried manually adding control points? This is very fast and
you only need two control points to get an equivalent to your existing
Photoshop workflow. With more control points you can correct for lens
distortions and even characterise the original equipment - which would
be useful if records are incomplete.

--
Bruno

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