Method

Lenna

Baboon

Anurag et al.’s [23]

41.57 dB

41.62 dB

Chang et al.’s [24]

44.97 dB

44.68 dB

Hong et al.’s [25]

48.68 dB

48.66 dB

Lin et al.’s [26]

49.90 dB

49.92 dB

Singh et al.’s [27]

55.94 dB

55.92 dB

Maheswari et al.’s [28]

45.31 dB

45.53 dB

Proposed method

62.89 dB

62.72 dB