Re: extract white object from black background

Posted by Wayne Rasband on
URL: http://imagej.273.s1.nabble.com/3d-plots-for-imagej-tp3702257p3702261.html

> I'd like to identify the white object within black
> background for my photo.
>
> The function of "Analysis->Analyze Particles" works
> well to extact black object from white background. But
> I left couple of object which is within black
> background. I wonder if there is a straight way I can
> do by "Analysis->Analyze Particles"

Use the thresholding tool (Image>Adjust>Threshold) to highlight the  
white objects, then run Analyze>Analyze Particles.

-wayne