Re: "Set Threshold" records incorrect values - 16bit images - Ubuntu

Posted by Gabriel Landini on Aug 28, 2008; 2:57pm
URL: http://imagej.273.s1.nabble.com/Set-Threshold-records-incorrect-values-16bit-images-Ubuntu-tp3695217p3695238.html

On Thursday 28 August 2008, David Randell wrote:
> Hi everybody,
>
> Well I spotted something that may provide a clue to what's going on
> here: the *size* of the image seems to make a difference. I re-scaled
> Ghislain's original image to a 100*74 16-bit image and cannot replicate
> the bug, either in the case where the result is interpolated or not.
> Incrementally scaling the image back to its original size the bug
> re-appeared with a 350*26 16-bit scaled image.

Ah, yes... I can confirm that.
If I scale up the M51 image by 9 (2880x4590) if get funny values just by
pressing Set and Ok. But this is happening occasional in my setup (about once
every 20).

Cheers,

G.