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EURASIP Journal on Image and Video Processing

Table 5 Comparisons of Chen and Chen’s schemes and the proposed scheme

From: Quantization-based image authentication scheme using QR error correction

Test Images

Chen and Chen’s scheme

The proposed scheme

Authenticated image (dB)

Recovered image (dB)

Authenticated image (dB)

Recovered image (dB)

Baboon

43.91

N/A

51.11

37.64

Cameraman

38.46

N/A

51.15

47.15

Chart

6.05

N/A

50.78

37.55

Lena

35.90

N/A

51.39

47.11

Pepper

27.18

N/A

51.09

37.44

Sailboat

35.63

N/A

50.98

43.88

Average

31.19

N/A

51.08

41.80

  1. N/A means that image is not available by using the previous scheme [10]
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