Robot uses machine learning to harvest lettuce

Engineers have trained a ‘Vegbot’ to recognise and harvest iceberg lettuce, using computer technology. The robot was initially trained in a lab at University of Cambridge but has now been successfully tested in a variety of field conditions.

Using a machine learning algorithm and camera, the Vegbot is taught to recognise healthy lettuces, while a second camera is positioned near the cutting blade to ensure a smooth cut.

Although the prototype is not as fast or efficient as a human worker, it gives a demonstration of how robotics could be used in future.

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