Best tool for image segmentation

Does anybody knows which are the best tools for image segmentation?
I’m starting to do a project that evolves in a specific GUI to recognize some parts of the image such as a button, or a text box for example.

Can anybody tell me which sould be the easiest and the most efficient tool for this kind of issues?

Thank You.

Though your question may not be well posed, there are several tool kits for image processing.

One option is OpenCV. This computer vision library can perform a wide range of operations from simple image processing to object recognition for robotics. Here is one quick image segmentation example, straight from the documentation.

This library is powerful, but it may not suit your application. Please consider asking a more specific, technical question.