New to Image processing, Want to find distance between 2 objects.

[Nachiket]

Dear friends,
I am new to Image processing and ImageJ.

I want to find out distance between 2 spots. And Distance of that spot from
edge of rectangle.
(In Java Program,  which keeps monitoring webcam and taking images (interval
5 sec))

Please guide me through process and how (and which feature of ImageJ) to use
ImageJ.

As per my understanding,
First findout all the spots.
Second findout distance of each spot to other spot.
Third find out Rectangle (under which spots are located)
Forth find out distance.

Thank you
Regards,
Nachiket Patel

[Michael Doube]

You might like to check out the Hough circles plugin to find your 'spots':

http://rsbweb.nih.gov/ij/plugins/hough-circles.html


Nachiket Patel wrote:

> Dear friends,
> I am new to Image processing and ImageJ.
>
> I want to find out distance between 2 spots. And Distance of that spot from
> edge of rectangle.
> (In Java Program,  which keeps monitoring webcam and taking images (interval
> 5 sec))
>
> Please guide me through process and how (and which feature of ImageJ) to use
> ImageJ.
>
> As per my understanding,
> First findout all the spots.
> Second findout distance of each spot to other spot.
> Third find out Rectangle (under which spots are located)
> Forth find out distance.
>
> Thank you
> Regards,
> Nachiket Patel

[Vivian Yong]

Hi there
I'm new to ImageJ. I'd like to find out that is there a way or any
plugin in ImageJ can allow me to adjust local contrast of a ROI or
change the ROI intensity value for an image?
Thank you.

Cheers
Vivian