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I'm new to the world of contributing to an open source community like this - where contributions are algorithms explored by academic communities. I've done some homework on the topic of scene stabilization. I've implemented a handful of those published approaches and found some success over the existing videostab package in the opencv library. Obviously, citing the source of an algorithm is simply good form, but is there anything else required? Is requesting permission required? Does this answer change if the published paper came from a paid-for service such as IEEE?