Fig. 11From: Quantization-based image authentication scheme using QR error correctionVisual results of the proposed scheme for the image “Pepper”. a. Authenticated image (PSNR=51.09dB), b. Tampered image (PSNR=21.05dB), c. Detected result, d. Extracted QR code, e. Extracted QR code, f. Recovered image (PSNR=37.29dB)Back to article page