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Table 1 PSNR of gray images embedded by IA-LSB with and without shuffling message bits, simply denoted as "with" and "without".

From: Improved Adaptive LSB Steganography Based on Chaos and Genetic Algorithm

PSNR (db)

Average embedding capacity (bpc)

 

0.46

0.624

0.731

 

with

without

with

without

with

without

Lena

39.93

39.72

38.521

38.181

37.376

37.221

Baboon

33.59

33.41

33.058

32.821

32.381

32.23

Milkdrop

44.32

44.21

40.187

39.92

39.274

38.934

Plane

38.73

38.44

37.586

37.281

36.727

36.506