Reversible Shared Data Hiding Based on Modified Signed Digit EMD. - Wen-Chung Kuo; Chun-Cheng Wang; Hong-Ching Hou; Chen-Tsun Chuang (IWDW, 2014)

Signed digit data hiding scheme. - Wen-Chung Kuo; Chun-Cheng Wang; Hong-Ching Hou (Inf. Process. Lett., 2016)