Re: Filling the particles-bubbles by using threshold

Posted by Michael Schmid on Nov 11, 2008; 2:41pm
URL: http://imagej.273.s1.nabble.com/Filling-the-particles-bubbles-by-using-threshold-tp3694547p3694550.html

Hi Daiva,

as your bubbles are almost perfectly circular, you could also have a  
look at the Hough transform, e.g. the Hough Circles plugin at the  
ImageJ web site.

Michael
________________________________________________________________


On 11 Nov 2008, at 15:36, Thomas Boudier wrote:

> Hi Daiva,
>
> This is a nice example of "filling holes" followed by a "watershed"  
> in the "process/binary" submenu.
>
> Thomas
>
>> Hello, I'm currently analising bubble size change by using Image J.
>> Aftersubstracting background and increasing contrast, I have tried  
>> to adjust
>> thethreshold. However, I have to do a lot of work to clean, and  
>> erase all
>> noiseand rubish around the bubbles. Is there's any way of doing an  
>> inverse
>> picture or filling up the bubble inner part, so I could avoid  
>> cleaning step.
>>
>>
>> Sample of the picture  http://n2.nabble.com/file/ 
>> n1482486/1_t000c3.jpg
>> 1_t000c3.jpg
>> Thank you very much,
>> Daiva
>>
>
>
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