Chart White Balance stopped working

[Brian Barford]

I have been successfully using Yves Vander Haeghen’s Chart_White_Balance plugin
and Macbeth color chart images for color correction for a couple of years. 
However, since ImageJ 1.47j all the way up to the most recent version “p”, it
does not work any more.  It returns the same RGB values for each chip, and so
blows up.  The macro (slower) version still works, so there must have been a
change in a called function in the plugin that no longer gives the same value. 
My current workaround is to just revert to ImageJ v1.47i (last known working
version).  Anyone have an idea what changed or how to fix it so I can use it
again.  Thanks, I’m a newbie to the group.

Brian Barford,
Ph.D.
Cincinnati, OH

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[Rasband, Wayne (NIH/NIMH) [E]]

On May 1, 2013, at 2:35 PM, Brian Barford wrote:

> I have been successfully using Yves Vander Haeghen’s Chart_White_Balance plugin
> and Macbeth color chart images for color correction for a couple of years.  
> However, since ImageJ 1.47j all the way up to the most recent version “p”, it
> does not work any more.  It returns the same RGB values for each chip, and so
> blows up.  The macro (slower) version still works, so there must have been a
> change in a called function in the plugin that no longer gives the same value.  
> My current workaround is to just revert to ImageJ v1.47i (last known working
> version).  Anyone have an idea what changed or how to fix it so I can use it
> again.  Thanks, I’m a newbie to the group.

This regression is fixed in the ImageJ 1.47q daily build.

-wayne

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