Tamper Detection and Image Recovery Based on Watermarking Techniques

Watermarking protects the image from infringements without distortion it since the embedded watermark is invisible to the human eyes but detectable by computer programs. Many fields need to use watermarking such in the medical field to hide the personal patients'' data or to protect the critical regions in medical images in the military field to protect the soldiers'' documents and to investigate the creditability of the images and in FBI to detect and recover the tampered regions in the image.