Re: 32-Bit Tiff Single Pixel Noise Removal

Posted by Herbie-4 on Feb 03, 2015; 10:26am
URL: http://imagej.273.s1.nabble.com/32-Bit-Tiff-Single-Pixel-Noise-Removal-tp5011416p5011417.html

Good day Francis,

before you start thinking about noise removal, try to define what is
signal and what is noise. If this can't be done in a formal/mathematical
way, you won't be able to successfully and automatically process your data.

Best

Herbie

::::::::::::::::::::::::::::::::::::::::
On 03.02.15 03:26, Francis OBrien wrote:

> Hi,
>
> I need to remove single pixel noise from 1000's of 32-bit TIFF
> images. I tried to use the outlier process but its not working as I
> have to manually set the threshold. I think I need to automatically
> apply a known 95 or 99% threshold to the minimum and maximum of the
> histogram data before I can properly visualize the images.
>
> I am attaching an example of the type of image and its histogram. I
> hope someone on the list could advise on a batch type macro that
> could solve this problem.
>
> Best,
>
> Francis
>
>
> -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>

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