Re: Perimeter measurement
Posted by
Gabriel Landini on
Mar 05, 2008; 2:11pm
URL: http://imagej.273.s1.nabble.com/Perimeter-measurement-tp3696992p3696994.html
On Wednesday 05 March 2008 11:37:11 OlgaFishkis wrote:
> Could someone explain me please why if I measure a square particle 1x1 sq.
> px the values of the area is correct (1 sq px) but the perimeter is 2.8
> instead of 4 px?
> If I apply a macro to measure a convex hull of the same square particle I
> get the right value of the perimeter - 4.
> Thank a lot
> Olga
This answers your question:
http://imagejdocu.tudor.lu/imagej-documentation-wiki/faq/what-is-the-algorithm-used-to-calculate-particel-perimetersRegards,
G.