Topological characterization of the Retinal microvascular nEtwork visualized by portable fuNDus camera (TREND) database

The TREND database is freely available at:

The TREND public database contains 72 color fundus images of healthy young subjects. Each image is associated with a corresponding binarized image of the manually segmented microvascular network. A set of poor quality images is also included. For comparison of the microvascular geometry, an additional set of 10 digital color fundus images of older healthy subjects is included.