The mature workhorse of object identification using image processing is the connected components algorithm. The algorithm was described in the venerable but still useful two-volume classic from 1982, Digital Picture Processing by Kak and Rosenfeld, and in the decades since by numerous books, presentations, and web pages about image processing.

Unless you are relying solely on a machine learning algorithm to identify and locate an object from an image, your image processing pipeline is likely to include a connected components algorithm. …

Gary Bartos

Founder of Echobatix, developing assistive technology for the blind. echobatix@gmail.com

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