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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | RE: GISList: orthorectify |
| Date: |
08/28/2002 11:20:45 AM |
| From: |
Robert Heitzman |
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You are correct. Manifold cannot "orhthorectify" images - my mistake. I
confused georegistration of orthorectified images with orthorectification.
Sorry about that!
(Make sure that gets into the matirx folks!)
>From: "Ned Horning" <nedh@lightlink.com>
>To: "Robert Heitzman" <rheitzman@hotmail.com>, <gislist@geocomm.com>
>Subject: RE: GISList: orthorectify
>Date: Wed, 28 Aug 2002 12:05:22 -0400
>
>Robert,
>
>Can Manifold currently orthorectify imagery or is that something under
>development?
>
>In the Manifold help it states: "This process is often called
>orthorectification or (in some contexts) georegistration" but I think that
>over simplifies the meaning or orthorectification. Orthorectification tends
>to refer to (or even focus on) the removal of terrain effects during the
>georegistration process. Correct me if I'm wrong but my understanding is
>that the image transformation tools in Manifold are not well suited to
>removing terrain distortions. Using traditional rubber sheeting methods to
>correct aerial photos would be a very difficult task/impossible in hilly or
>mountainous terrain.
>
>Ned
>
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