1. Kong Y (2008) Researching on image inverse-halftoning and quality evaluation technologies. PhD thesis, Xidian University, Xi’An
2. Bertero M, Bocacci P (1998) Inverse problems in imaging. IOP Publishing, Bristol
3. Zhang Yuming (2007) Image engineering, the second edition. Tsinghua University Press, Beijing
4. Chang PC, Yu CS (1997) Neural net classification and lms reconstruction to halftone images. In: Proceedings of SPIE—the international society for optical engineering, vol 3309, pp 592–602
5. Du X (2009) Study on the recognition method of halftoning image classification. PhD thesis, Xi’an University of Architecture and Technology, Xi’An