Embedding rate
Definition
The payload size divided by the carrier capacity, usually expressed as bits per pixel. Detection difficulty decreases sharply at low embedding rates because the statistical disturbance is proportionally smaller.
Related terms
- Blind steganalysis
- Detection without prior knowledge of the embedding algorithm. A classifier trained on images with and without payloads generalises across multiple tools.
- False-positive rate (FPR)
- The proportion of clean (non-stego) files that a detector incorrectly flags as containing hidden data. High FPR increases investigator workload; it does...
- Rich model steganalysis (SRM)
- A feature-extraction approach that computes hundreds of statistical features from pixel-residual co-occurrence matrices and feeds them to an ensemble classifier such as...
- Steganalysis
- The detection of steganographic content in carrier files, using statistical, machine-learning, or tool-signature methods to determine whether a file has been modified...
- Targeted steganalysis
- Detection methods designed against a specific steganography tool or algorithm. Effective when the tool is known but fails against novel or unknown...
Explained in
- Steganalysis: Statistical Detection MethodsThe payload size divided by the carrier capacity, usually expressed as bits per pixel. Detection difficulty decreases sharply at low embedding rates because th...