A secure gray-scale image watermarking technique in fractional DCT domain using zig-zag scrambling
Varsha Sisaudia, Virendra P. Vishwakarma
Topics & Concepts
ScramblingDigital watermarkingDiscrete cosine transformGrayscaleComputer scienceArtificial intelligenceImage (mathematics)Gray (unit)Computer visionDomain (mathematical analysis)Scale (ratio)AlgorithmPattern recognition (psychology)MathematicsCartographyMedicineMathematical analysisGeographyRadiologyMachine Learning and ELMAdvanced Steganography and Watermarking TechniquesBrain Tumor Detection and Classification