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image analysis

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#1 toejam


    Guitar Hero

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Posted 08 July 2010 - 03:00 AM

hi guys,

i'm trying to analyze some images with image j. i am identifying objects in the image and then measuring their length. i am just wondering if any of you knows a trick to mark all of the objects once and then measure them at the same time rather than marking each of them individually?

thanks in advance.
"When there's no more room in hell the dead will walk the Earth"

#2 bob1


    Thelymitra pulchella

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Posted 08 July 2010 - 06:33 PM

I used to use imageJ to analyse colony size/number by turning into a binary image, and then using the analyze particles command which gives position, colour and area. I don't know if this will be useful for you or not - but if you are measuring something with known thickness, then you could convert area to length.

I'm sure there'll be a plugin on the imageJ website.

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