Environment: The following software/libraries are needed:

• SPAMS 2.6.*
• numpy 1.15.1
• matplotlib 2.0.2
• scikit-image 0.14.1
• scikit-learn *.19.1

Datasets: The following datasets are used in our experiments:

• DRIVE
• STARE

Data preprocessing: All the images are preprocessed using:

• Gray scale conversion
• CLAHE normalization