Steganography

  1. Evaluating Steganographic Systems
    1. Key Metrics
      1. Payload Capacity
        1. Bits per Pixel (bpp) for Images
          1. Bits per Sample for Audio
            1. Bits per Frame for Video
              1. Relative Capacity Measures
                1. Effective Capacity
                2. Imperceptibility (Perceptual Transparency)
                  1. Objective Quality Measures
                    1. Peak Signal-to-Noise Ratio (PSNR)
                      1. Mean Squared Error (MSE)
                        1. Structural Similarity Index (SSIM)
                          1. Universal Quality Index (UQI)
                          2. Subjective Evaluation
                            1. Human Visual System Testing
                              1. Mean Opinion Score (MOS)
                                1. Difference Mean Opinion Score (DMOS)
                                  1. Psychophysical Experiments
                                  2. Perceptual Quality Models
                                    1. Just Noticeable Difference
                                      1. Watson Perceptual Model
                                        1. Sarnoff Visual Discrimination Model
                                      2. Robustness against Attacks
                                        1. Compression Resistance
                                          1. JPEG Compression
                                            1. MP3 Compression
                                              1. Video Compression
                                              2. Noise and Distortion Tolerance
                                                1. Additive White Gaussian Noise
                                                  1. Salt and Pepper Noise
                                                    1. Blur and Sharpening
                                                    2. Geometric Transformations
                                                      1. Cropping and Resizing Effects
                                                        1. Rotation and Translation
                                                          1. Aspect Ratio Changes
                                                          2. Signal Processing Operations
                                                            1. Filtering
                                                              1. Enhancement
                                                                1. Format Conversion
                                                              2. Security (Undetectability)
                                                                1. Statistical Steganalysis Resistance
                                                                  1. First-Order Statistics
                                                                    1. Higher-Order Statistics
                                                                      1. Machine Learning Detection
                                                                      2. Key Management Security
                                                                        1. Key Space Size
                                                                          1. Key Distribution Security
                                                                            1. Key Recovery Resistance
                                                                            2. Algorithm Security
                                                                              1. Known-Plaintext Attacks
                                                                                1. Chosen-Plaintext Attacks
                                                                                  1. Adaptive Attacks
                                                                              2. The Steganographic Triangle
                                                                                1. Balancing Capacity, Security, and Robustness
                                                                                  1. Trade-Off Relationships
                                                                                    1. Optimization Constraints
                                                                                      1. Multi-Objective Optimization
                                                                                      2. Trade-Off Analysis
                                                                                        1. Pareto Optimal Solutions
                                                                                          1. Performance Boundaries
                                                                                            1. Application-Specific Requirements
                                                                                            2. Optimization Strategies
                                                                                              1. Genetic Algorithms
                                                                                                1. Particle Swarm Optimization
                                                                                                  1. Simulated Annealing
                                                                                                2. Benchmarking and Testing
                                                                                                  1. Standard Test Images
                                                                                                    1. Performance Comparison Protocols
                                                                                                      1. Statistical Significance Testing
                                                                                                        1. Reproducibility Requirements

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                                                                                                      4. Steganalysis: The Art of Detection

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                                                                                                      6. Applications and Use Cases