SynthRAD2023 Pelvis Dataset
SynthRAD2023 contains paired pelvic radiotherapy images for synthetic CT generation. Task 1 uses registered MRI and CT images, while Task 2 uses cone-beam CT and CT images acquired at three Dutch university medical centres.
The dataset is distributed under the Creative Commons Attribution-NonCommercial 4.0 International license (CC BY-NC 4.0). Reuse is permitted with attribution for non-commercial purposes; commercial use requires separate permission.
The complete challenge description reports 540 pelvic image pairs across Task 1 and Task 2: 360 training, 60 validation and 120 test pairs. The linked Zenodo release states that it contains the training data, corresponding to 360 pelvic training pairs. num_subjects and num_images are null because the tasks may contain different patients and a pair contains multiple image volumes. The supplied mask is a binary patient-outline mask rather than a detailed anatomical segmentation. CBCT is described in this note because the current modality schema does not contain a separate CBCT value.
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