This paper proposes a fragile and blind dual watermarking method for tamper detection and self-recovery. This method generates two image digests from the host image, based on the lifting wavelet and the halftoning technique. Therefore, for each 2...

In this paper a new method for detection of camera tampering is proposed. Some examples for camera tampering are: shaking the camera, movement of the camera, occlusion, and rotation of the camera. The tampering may be ...