A novel semi fragile watermarking technique for tamper detection and recovery using IWT and DCT
Nandhini Sivasubramanian, Gunaseelan Konganathan
Topics & Concepts
WatermarkDigital watermarkingDiscrete cosine transformComputer scienceArtificial intelligenceAuthentication (law)Image (mathematics)Computer visionEmbeddingNoise (video)Pattern recognition (psychology)Computer securityAdvanced Steganography and Watermarking TechniquesDigital Media Forensic DetectionChaos-based Image/Signal Encryption