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Table 3 PSNR of the interpolated images (128 × 512)

From: Advances on image interpolation based on ant colony algorithm

Images

Methods

Values (dB)

Cameraman

Bilinear

34.1135

Bicubic

34.1628

OBACA

34.7172

NNV

35.5267

AACA

35.7135

Lenna

Bilinear

34.5039

Bicubic

34.6838

OBACA

36.0950

NNV

36.1891

AACA

37.8653

Lake

Bilinear

31.7708

Bicubic

31.8410

OBACA

32.1240

NNV

32.1377

AACA

32.8549

Peppers

Bilinear

33.7862

Bicubic

33.8349

OBACA

34.5319

NNV

34.5559

AACA

35.6494