Re: help imaging barnacles

Posted by Martin du Saire on Jul 11, 2005; 1:54pm
URL: http://imagej.273.s1.nabble.com/Re-help-imaging-barnacles-tp3705276p3705277.html

Nice problem.

Have you tried fluorescence or IR imaging?

Martin

At 02:12 PM 7/10/2005, you wrote:

>try the full link as listed in my post:
>http://faculty.washington.edu/gilmans/barnaclegallery.shtml
>
>- sarah
>
>
>--------------
>Sarah Gilman, PhD
>Friday Harbor Laboratories
>University of Washington
>620 University Rd.
>Friday Harbor, WA 98250
>
>[hidden email]
>360.378.2165
>
>On Sun, 10 Jul 2005, ToeKnee Lacey wrote:
>
>>No you haven't! :)
>>
>>--- ImageJ Interest Group <[hidden email] wrote:
>>
>>I'm looking for some basic information on how to use ImageJ.  I have
>>photographs of barnacles on rocks shot in the field with a digital
>>>camera,
>>and I'd like to use ImageJ to count the number of barnacles
>>>in each image
>>and calculate a size distribution.   I've found
>>>instructions on a couple
>>of websites that discuss using imageJ to
>>>count and measure objects in
>>microscope images using "analyze
>>>particles".  My files aren't as contrasty
>>as microscrope images, and
>>>I'm having a hard time distinguishing barnacle
>>from non-barnacle.
>>>
>>>Basically I'm looking for any suggestions on how
>>get ImageJ to
>>>distinguish the barnacles from the background.  Or even
>>how to mark
>>>the barnacles myself and get ImageJ to calculate sizes.
>>I've posted
>>>a few sample images on http://faculty.washington.edu/gilmans/
>>
>>>barnaclegallery.shtml
>>>
>>>Thanks in advance for help,
>>>Sarah Gilman
>>
>>>
>>>
>>>
>>>---------------------------------------------
>>>Sarah Gilman,
>>PhD
>>>
>>>Friday Harbor Laboratories
>>>University of Washington
>>>620 University
>>Rd.
>>>Friday Harbor, WA 98250
>>>
>>>360-378-2165
>>>[hidden email]
>>
>>>---------------------------------------------