Efficient Model Based Halftoning Using Direct Binary Search. - David J. Lieberman; Jan P. Allebach (ICIP (1), 1997)

Model based Direct Binary Search Halftone Optimization with a Dual Interpretation. - David J. Lieberman; Jan P. Allebach (ICIP (2), 1998)

A dual interpretation for direct binary search and its implications for tone reproduction and texture quality. - David J. Lieberman; Jan P. Allebach (IEEE Trans. Image Process., 2000)