Robust Watermarking Scheme for NIfTI Medical Images

Computed Tomography (CT) scan and Magnetic Resonance Imaging (MRI) technologies are widely used in medical field. Within the last few months, due to increased use of CT scans, millions patients have had their scans done. So, as a result, images showing Corona Virus for diagnostic purposes were digitally transmitted over internet. The major problem world health care system is multitude attacks that affect copyright protection other ethical issues As it important apply robust secure watermarking technique these images. Notably, schemes been developed various image formats, including .jpg, .bmp, .png, but impact on NIfTI (Neuroimaging Informatics Technology Initiative) not noteworthy. A scheme based Lifting Wavelet Transform (LWT) QR factorization presented this paper. When LWT combined, maintains its inherent sensitivity mitigates scheme's robustness. Multiple watermarks added host approach. Measuring performance graphics card done by using PSNR, SSIM, Q (a formula which measures quality), SNR, Normalized correlation. withstands variety noise conversions, compression decompression.