Data Hiding in Halftone Images using Error Diffusion Halftoning with Adaptive Thresholding. - Ahmad Movahedian Attar; Omid Taheri; Saeed Sadri; Rasoul Amir Fattahi (CCECE, 2006)

Watermarking for Halftoned Images using Error Diffusion with Nonlinear Thresholding. - Omid Taheri; Ahmad Movahedian Attar; Rasoul Amir Fattahi; Shadrokh Samavi (CCECE, 2006)