A New Novel Fidelity Digital Watermarking Based on Adaptively Pixel-Most-Significant-Bit-6 in Spatial Domain Gray Scale Images and Robust

Mehemed B. Aliwa, Tarek E. El-Tobely, Mahmood M. Fahmy, Mohamed E.S. Nasr and Mohamed H.A. El-Aziz

American Journal of Applied Sciences 7 ( 7 ): 987 - 1022 , 2010