1. Zhang, F., Zhang, X., Zhang, H.: Digital image watermarking capacity and detection error rate. Pattern Recogn. Lett. 28, 1–10 (2008)
2. Yaghmaee, F., Jamzad, M.: Estimating watermarking capacity in gray scale images based on image complexity. EURASIP J. Adv. Signal Process. (2010). doi: 10.1155/2010/851920
3. Nielsen, M.A., Chuang, I.L.: Quantum computation and quantum information. Cambridge University Press, Cambridge (2000)
4. Le, P.Q., Dong, F., Hirota, K.: A flexible representation of quantum image for polynomial preparation, image compression and processing operations. Quantum Inf. Process. 10(1), 63–84 (2010)
5. Venegas-Andraca, S.E., Boss, S.: Storing, processing and retrieving an image using quantum mechanics. Proc. SPIE Conf. Quantum Inf. Comput. 5105, 137–147 (2003)