Expanded nonlinear order dithering and modified error diffusion for an ink-jet color printer. - Chae-Soo Lee; Cheol-Hee Lee; Yang-Woo Park; Yeong-Ho Ha (Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts, 1999)

Colorimetric Printer Calibration using Modified Sigmoidal Tone-Curve Function. - Cheol-Hee Lee; Ho-Young Lee; Yang-Woo Park; Yeong-Ho Ha (CIC, 1999)