Image processing algorithms and techniques II [electronic resource] : 25 February-1 March 1991 San Jose, California / Mehmer R. Civanlar, Sanjit K. Mitra, Robert J. Moorhead II, chairs/editors ; sponsored by SPIE--the International Society for Optical Engineering, IS & T--the Society for Imaging Science and Technology ; cooperating organization, Center for Imaging Science/Rochester Institute of Technology