Digital watermarking for recovering attack areas of medical images using spiral numbering
Syifak Izhar Hisham, Afifah Nailah Muhammad, Jasni Mohamad Zain, Gran Badshah, Nurul Wahidah Arshad · 2013
Medical image is seen as one of crucial data that demand for authentication method in order to ensure that data has not been tampered. This paper has conducted a research proposing a recovery feature in an authentication watermark with spiral manner numbering, which shows a good numbering system of embedding. The schema is a fragile, blind watermarking. The operating time taken is short and the result is very promising with high Peak-Signal-to-Noise-Ratio (PSNR) value and low Mean-Squared Error (MSE).