| Digital Halftoning Methods For Selectively Partitioning Error Into Achromatic And Chromatic Channels  (1990) none Achromatic, Channels, Chromatic, Digital, Error, Halftoning, Into, Methods, Partitioning, Selectively Proc. SPIE/SPSE Conference No. 1249 on Human Vision, Visual Processing, and Visual Display, Paper No. 21, February 1990 |