Intelligent crop sorting machinery

Vision-based, high-speed crop sorter & grader

Agri-tech - beans - small


Our client wanted to be able to sort and grade rice, beans, and seeds at speed, remove impurities and partition into colors. They needed a high-throughput system.


  • We employed hyperspectral imaging to highlight varying degrees of light luminescence, absorption, and transmission
  • We developed a light, robust, low power device which could be integrated into farm machinery
  • We designed the optical system, characterizing the imaging optics for resolution and distortion at two wavelengths


  • Using algorithms, we extracted the complexity from the results to create a user-friendly set of data
  • High-speed, accurate sorting of a range of food products including rice, beans, seeds, nuts and vegetables
  • The machine is in full production and has been highly successful

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