... pagesdoi:10.1155/2007/98684Research ArticleDesign and Analysis of the First BOWS ContestA. Piva1 and M. Barni21Department of Electronics and Telecommunications, University of Florence, 50139 Florence, ... results: PSNR of the image Strawberry=39.67 dB, PSNR of the image Wood Path = 39.65 dB, and thePSNR of the image Church= 38.45 dB.By analyzing the hall of fame at the end of the first phase,it ... sensitivity analysis of watermarks us-ing prior information,” in Security, Steganography, and Wa-termar king of Multimedia Contents IX,E.J.DelpandP.W.Wong, Eds., vol. 6505 of Proceedings of SPIE, p....