mplementation of "Improving the Imperceptibility of Pixel Value Difference and LSB Substitution Based Steganography Using Modulo Encoding" — a combined PVD + LSB + modulo encoding scheme with CTR_DRBG key-dependent embedding, including baseline comparisons and experiment framework.

python security cryptography research academic image-processing mse steganography ssim lsb image-steganography digital-images psnr data-hiding least-significant-bit pvd ctr-drbg imperceptibility pixel-value-differencing modulo-encoding

• Updated Feb 26, 2026
• Python