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Sketch recognition is the automated recognition of hand-drawn diagrams by a computer. Research in sketch recognition lies at the crossroads of Artificial Intelligence and Human Computer Interaction. Recognition algorithms usually are gesture-based, appearance-based, geometry-based, or a combination thereof.


Sketch recognition is a growing topic of interest to many people as graphical diagrams pervade education, business, design and many other domains. Students draw diagrams in fields as various as business, math, computer science, engineering, music, and many others. Hand-sketched student diagrams aid in active learning and creative processes.