EXPERIMENTAL STUDY OF CPE-MHCRDH ALGORITHM
The article cites the results of a pilot study of one algorithm introducing digital watermarks into encrypted images, using the socalled MSB prediction with two bits (CPE-MHCRDH approach)
Keywords: grey level image, image protection, steganography, digital watermark, digi-tal image watermarking, reversible algorithm, most significant bit (MSB), Peak Signal-to-Noise Ratio ( PSNR), Normalized Correlation Coefficient (NC), Embedding Rate (ER).