sponsored by SPIE--the International Society for Optical Engineering. Proceedings of SPIE--the International Society for Optical Engineering Proceedings of SPIE--the International Society for Optical Engineering ; Arnold W. Yanof, chair/editor ; sponsored by SPIE--the International Society for Optical Engineering. Larry G. DeShazer, chair/editor ; sponsored by SPIE--the International Society for Optical Engineering. Proceedings / SPIE--the International Society for Optical Engineering ; Proceedings : SPIE--the International Society for Optical Engineering ; Richard J. Becherer, chair/editor ; sponsored by SPIE--the International Society for Optical Engineering. C.-S. Hong, chair/editor ; sponsored and published by SPIE--the International Society for Optical Engineering. Daniel Renner, chair/editor ; sponsored and published by SPIE--the International Society for Optical Engineering.