How to select triangle shapes of specific height from SEM image ?

To find out the height of traingle as seen in a SEM image and to find out the number of all such triangles in the image.

Answer 1

[Image Analyst]

You could probably use Image Analysis.

See my Image Segmentation Tutorial in my File Exchange:

Image Analyst's File Exchange

It's a generic, general purpose demo of how to threshold an image to find blobs, and then measure things about the blobs, and extract certain blobs based on their areas or diameters.

If you have any more questions, then attach your data and code to read it in with the paperclip icon after you read this:

TUTORIAL: How to ask a question (on Answers) and get a fast answer

Otherwise you won't get any good answers because you forgot to attach a few images.