Fig. 4
From: An adaptive steganography insertion technique based on wavelet transform
PSNRs for the BOSS database/proposed LSB technique with different message sizes with \(4 \times 4\) block size. a Message size = 4 KB, b message size = 6 KB, c message size = 8 KB, d message size = 10 KB, e message size = 12 KB, f message size = 14 KB, and g message size = 16 KB