Code supplement: Detection of Drainage Ditches from LiDAR DTM Using U-Net and Transfer Learning Code supplement: Detection of Drainage Ditches from LiDAR DTM Using U-Net and Transfer Learning Link to corresponding Zenodo repository: Contributions from the following authors from Landscape Geoinformatics Lab: Holger Virro Alexander Kmoch Merle Muru Wai Tik Chan Desalew Meseret Moges Evelyn Uuemaa