Research conducted at the University of Vaasa paves the way for smart packaging that indicates product condition through color-changing printing inks. Doctoral researcher Jari Isohanni investigated how machine learning could be most effectively utilized in color recognition for smart packaging.Research conducted at the University of Vaasa paves the way for smart packaging that indicates product condition through color-changing printing inks. Doctoral researcher Jari Isohanni investigated how machine learning could be most effectively utilized in color recognition for smart packaging.Hi Tech & Innovation[#item_full_content]