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Re: Segmentation of confluent cells

Posted by PEARSON Matthew on May 20, 2014; 11:53am
URL: http://imagej.273.s1.nabble.com/Segmentation-of-confluent-cells-tp5007785p5007803.html

Hi Michael,

I suspect what we'll find is that the segmentation of the cell  
boundary is not accurate enough because they'll all overlap therefore  
how do you distinguish one from the other in which case it will be a  
manual tracing task.  I'll leave that for the researcher to decide if  
its worth it or not.  I'll wait to see how the images come out first.

Thanks,

Matt
On 19 May 2014, at 16:27, Cammer, Michael wrote:

> Depends 1. on what you want to do with the segmentation and 2.)  
> whether it really has to be automated.  In the first case, maybe  
> labeling the nuclei would be enough to mark which cell is which.  
> But if you want to see precise edges of cells, this won't work.  So  
> 2.) sometimes labeled cells, such as constitutive GFP or CSFE or  
> cells with the membranes labeled can be separated, or for confluent  
> cells  maybe a protein at cell-cell contacts.  But in most cases,  
> not.  Which brings up how important the experiment is and how lazy  
> the researchers are.  Sometimes tracing is the way to go if you want  
> the answer.   If tracing 100 cells is too difficult for someone,  
> maybe research is the wrong field to be in...
> =
> =
> =
> =
> =
> ======================================================================
> Michael Cammer, Microscopy Core & Dustin Lab , Skirball Institute,  
> NYU Langone Medical Center
> Cell:  914-309-3270   Lab: 212-263-3208
> http://ocs.med.nyu.edu/microscopy & http://www.med.nyu.edu/skirball-lab/dustinlab/
>
>
> -----Original Message-----
> From: ImageJ Interest Group [mailto:[hidden email]] On Behalf  
> Of Matthew Pearson
> Sent: Monday, May 19, 2014 11:11 AM
> To: [hidden email]
> Subject: Re: Segmentation of confluent cells
>
> Hi Johannes,
>
> I'm getting ahead of myself, the cells haven't been prepared for  
> imaging yet.  I was asking pre-experiment in case there is anything  
> we could do sample prep-wise to aid the analysis once the imaging is  
> completed.  What i don't want is for the user to prepare the cells  
> and then it turn out that we can't do anything with them, rubbish  
> in, rubbish out as they say and its always good to think ahead.  I  
> can post some images when we get to that stage.
>
> Thanks,
>
> Matt
>
>
>
>
>
>
>
> On 19 May 2014, at 13:54, Johannes Schindelin wrote:
>
>> Hi Matthew,
>>
>> On Mon, 19 May 2014, Matthew Pearson wrote:
>>
>>> I've been asked whether its possible to measure the area of
>>> individual cells in a confluent monolayer autonomously.
>>
>> You will find that other scientists have a much easier time helping
>> you if you provide them with example images.
>>
>> Ciao,
>> Johannes
>>
>
>
>
>
>
>
>
>
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