SPIE-the International Society for Optical Engineering. SPIE--The International Society for Optical Engineering ; SPIE--the International Society for Optical Engineering. SPIE -- the International Society for Optical Engineering SPIE -- the International Society for Optical Engineering. SPIE -- the International Society for Optical Engineering ; SPIE --The Internaitonal Society for Optical Engineering ; SPIE--the International Society of Optical Engineering. SPIE-the international society for optical engineering. The International Society for Optical Engineering