Research Article

A Novel AMR-WB Speech Steganography Based on Diameter-Neighbor Codebook Partition

Figure 10

ROC curves for steganalysis of CNV-based, NID-based, and our proposed steganography (50% training rate).
(a) Markov (TIMIT, 100 bps)
(b) MFCC (TIMIT, 100 bps)
(c) Markov (TIMIT, 200 bps)
(d) MFCC (TIMIT, 200 bps)
(e) Markov (TIMIT, 300 bps)
(f) MFCC (TIMIT, 300 bps)