[ImageJ-devel] ROI presentation powerpoint

Lee Kamentsky leek at broadinstitute.org
Tue May 24 07:24:33 CDT 2011


Gabriel, by boundaries, do you mean the perimeter pixels? I think I 
could put that interface in.

Under the covers, the abstract ROI classes ask for rasters - runs of 
pixels at constant Y and incremental X. That's pretty much the same 
thing as finding two of the perimeter pixels, so we could add an 
interface to iterate through the perimeter pixels. You wouldn't get them 
in the right order though, not clockwise or counterclockwise along the 
boundary. I'm not sure how to handle topologically complex objects where 
iterating clockwise doesn't make sense (objects with holes, objects that 
are disjoint).

But definitely, we should figure out a way to have you join - we've been 
using Skype voice chat for our ImageJ meeting calls. Curtis calls all of 
the participants, maybe if we had a list of people we could add them as 
well. Also, there's an ImageJDev channel on Skype which is very active. 
If you have a Skype account, one of us can add you.

--Lee

On 5/24/2011 4:09 AM, Gabriel Landini wrote:
> On Monday 23 May 2011 21:04:26 Lee Kamentsky wrote:
>> Here's the powerpoint presentation for the ROI talk. We'll be online via
>> Skype at 10:00 am US Eastern, 9:00 am US central, 16:00 in Germany (?)
>> next Wednesday.
> I am not sure I will be able to make it, but I would like to listen to this.
> How does one join the conference session?
>
> BTW, have there been any thoughts on how to handle the positioning of the ROIs
> boundaries? I mentioned this some time ago and I think it is the ideal time to
> get this right from the start.
>
> Regards
>
> Gabriel
>
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