Table 3

Comparison results between Tian's and Alattar's algorithm.

Gray-scale Lena

Gray-scale Barbara


Tian's Alg.

Alattar's Alg.

Tian's Alg.

Alattar's Alg.

PSNR (dB)

Payload (bits)

Payload (bits)

PSNR (dB)

Payload (bits)

Payload (bits)


29.4

260.018

298.872

23.6

247.629

279.756

32.5

222.042

236.318

31.2

159.000

202.120

34.8

175.984

189.468

32.8

138.621

187.288

36.2

141.493

131.588

34.1

120.997

167.986

37.7

120.619

107.416

37.4

81.219

108.608

40.1

101.089

49.588

40.2

60.577

45.500

41.6

84.066

19.108

42.8

39.941

19.384


Caldelli et al. EURASIP Journal on Information Security 2010 2010:134546   doi:10.1155/2010/134546

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