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Re: Image distortion

Posted by Albert Cardona on Apr 20, 2009; 4:20pm
URL: http://imagej.273.s1.nabble.com/Image-distortion-tp3692838p3692840.html

Macdonald Iain Mr (ENV) wrote:

> The image after thresholding shows that distortion is occurring (the
> dots appear larger with distance from the center of the image). Could
> anyone please help me with either some advice on how this distortion can
> be accounted for, or even better provide me with some code which would
> correct this distortion.
>
> The plan is to apply the distortion correction to subsequent images of
> irregular shaped particles, from which size and other information can be
> obtained.
>
>  



You can do this with the lens distortion correction plugin, but I am not
sure of how. The plugin is intended for correcting lens distortions as
computed out of several heavily overlapping images.

Please see the documentation:

http://pacific.mpi-cbg.de/wiki/index.php/Distortion_correction
http://www.kaynig.de/downloads/DistortionCorrectionPlugin_Manual.pdf

Albert

--
Albert Cardona
http://albert.rierol.net