A new lightpen for raster displays

Whitted, 1983, Anti-aliased line drawing using brush extrusion, 151 Budrikis, 1984, Moment calculation by digital filters, AT & T Bell Labs Tech. J., 63, 217, 10.1002/j.1538-7305.1984.tb00091.x M. Hatamian, J. Schwartzwelder and D. D. Shugard, An integrated circuit for lightpen, in preparation. M. Hatamian, Z. L. Budrikis, P. Kubik, and A. N. Netravali, Accurate lightpen, submitted for publication.