Related Communities

There are several other community forums whose topics overlap with this one:

Microforum’s focus is hardware, acquisition, and specimen-related aspects of scientific imaging, particularly (but not limited to) theory and practical use of optical microscopes and detectors, fluorescent proteins and probes, and specimen preparation.
A place to discuss image analysis with the Insight Toolkit (ITK). This includes the pragmatics of programming with the library, image processing theory, how to address specific problems, and how to contribute to the community.
Official forum of KNIME Analytics Platform, an open-source data analytics, reporting and integration platform. KNIME integrates various components for machine learning and data mining through its modular data pipelining concept.
Artificial Intelligence for Life Science is a discussion forum focused on AI algorithms, striving to bridge the gap between AI and Life Sciences concerning research and hands-on. The aim is to share papers, code and solutions.

Is it OK to cross-post a question across multiple forums?

Yes—as long as you cross-link the posts. Otherwise, people may spend effort responding on one forum, without knowing that similar information was already posted on another forum.