Table 1 Different preprocessing steps and their respective AUC score.

From: Automatic detection of pathological myopia using machine learning

Preprocessing step

AUC score

Grayscale image, resize, shuffle, normalization

0.9593

Grayscale, resize, shuffle, normalization, batch normalization

0.9745

Red channel image, resize, shuffle, normalization

0.9829

Red channel image, resize, shuffle, normalization, batch normalization

0.9845

Grayscale image, histogram equalization, resize, shuffle, normalization, batch normalization

0.9723

Grayscale image, adaptive histogram equalization (CLAHE), resize, shuffle, normalization, batch normalization

0.9761

Red channel image, adaptive histogram equalization (CLAHE), resize, shuffle, normalization, batch normalization

0.9707

  1. Bold shows the best combination for preprocessing step.