Table 1 Dataset characteristics.

From: A novel approach for the segmentation of retinal images by integration K-means clustering algorithm with graph cut for image segmentation

Input database

Image format

Total No. of images

Training count

Validation count

Testing count

Field of view (FOV) in degrees

Kaggle

JPEG, PNG

1500

1200

150

150

30 to 60

Messidor

JPEG

1200

960

120

120

45

EyePACS

JPEG

2300

1840

230

230

30 to 60

APTOS 2019

PNG

1800

1440

180

180

30 to 60

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