Change pixel resolution

Posted by Weller Andrew Francis on
URL: http://imagej.273.s1.nabble.com/Change-pixel-resolution-tp3702300.html

Dear all,

When I run this command it includes particles that are too small (I
don't need):

run("Analyze Particles...", "size=0.5-Infinity circularity=0.00-1.00
show=Masks clear include");

So I change the size to something silly like "size=500", but it appears
that this is too big - it shouldn't be!

When I check my images, the resolution appears to say "3.84x2.88
(768x576)"- strange?! My images are 'really' 768x576 not 3.84x2.88 and I
feel that run("Analyze Particles...") is working on the wrong
resolution.

How can I implement a pixel resolution conversion within my macro so
that I open an image and the 1st thing I do is tell it to use the
768x576 resolution, not the 3.84x2.88 resolution? For example:

open(image);
CHANGE RESOLUTION TO 768x576
do imaging stuff...

Many thanks, Andy