Login  Register

Re: Facet orientation

Posted by Justin Murdock-2 on Nov 01, 2005; 2:17pm
URL: http://imagej.273.s1.nabble.com/Thresholding-tp3704563p3704567.html

Thanks Bob, this info is very helpful.

Justin

Quoting Robert Dougherty <[hidden email]>:

> Justin,
>
> It's every pixel.  One way to specify a minimum size would be to
> low-pass
> filter the image before running facet orientation.  Try
> Process/FFT/Bandpass
> Filter... and enter the minimum length in the box "Filter Small
> Structures
> Up to."  The limit for large structures should be set to a size that
> is
> larger than any feature you are interested in.
>
> Bob
>
> Robert P. Dougherty, Ph.D.
> President, OptiNav, Inc.
> Phone (425) 467-1118
> Fax (425) 467-1119
> www.optinav.com
>
> > -----Original Message-----
> > From: ImageJ Interest Group [mailto:[hidden email]] On Behalf
> Of
> > Justin Murdock
> > Sent: Monday, October 31, 2005 11:18 AM
> > To: [hidden email]
> > Subject: Facet orientation
> >
> > In regards to the facet orientation plugin (or the facet
> calculation in
> > SurfCharJ), is the angle of each pixel calculated or can you define
> a
> > minimum length/area that will be analyzed for orientation.
> >
> >
> >
> > Justin
>
>


Justin Murdock
Kansas State University
Division of Biology
232 Ackert Hall
Manhattan, KS 66506