auto-crop pincushioned image?

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Wed, 29 December 2010 14:49 Go to next message
pg (Photoshop begginer)
When correcting an image for lens distortion the resulting image can
be "pincushioned", that is the sides are caved-in and show as a
transparent area.

Does anyone know of a way in Photoshop to "automatically crop" the
image to remove the transparent zones? Using Trim does not work
because the corners of the image extend out and prevent the
transparent part from being removed.
Thu, 30 December 2010 01:05 Go to previous message
david johnson (Photoshop expert)
On Wed, 29 Dec 2010 11:49:07 -0800 (PST), pg <mydumact@gmail.com>
wrote:

>When correcting an image for lens distortion the resulting image can
>be "pincushioned", that is the sides are caved-in and show as a
>transparent area.
>
>Does anyone know of a way in Photoshop to "automatically crop" the
>image to remove the transparent zones? Using Trim does not work
>because the corners of the image extend out and prevent the
>transparent part from being removed.

the new cs5 has an option where it can fill in those areas using the
new fill aware tool.

a manual crop with the marquee tool would do as you ask, i am not
aware of an auto one
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