Published April 21, 2021 | Version v0.2
Dataset Open

Training dataset for the VALDO 2021 challenge - Vascular Lesion Detection

  • 1. University College London
  • 2. Erasmus MC
  • 3. Stanford University
  • 1. University College London
  • 2. VUMC
  • 3. Hospital Sant Pau
  • 4. Erasmus MC
  • 5. BarcelonaBeta


VALDO Challenge 2021 Training dataset

This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. To view a copy of this license, visit or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.

This dataset corresponds to the training data of the VALDO Challenge 2021 - For more information about the challenge and to participate, please see website

In order to register a team, remember to fill in the registration form

The challenge is separated in 3 tasks

  1. Task 1 - Perivascular spaces segmentation
  2. Task 2 - Cerebral micro bleeds segmentation
  3. Task 3 - Lacunes segmentation

Details of the contents and organisation of the data is described in the file

Data reference and acknowledgement

When using this data, we kindly ask for the following funding sources to be acknowledged: Wellcome Trust (082464/Z/07/Z), British Heart Foundation (SP/07/001/23603, PG/08/103, PG/12/29/29497 and CS/13/1/30327), Erasmus MC University Medical Center, the Erasmus University Rotterdam, the Netherlands Organization for Scientific Research (NWO) Grant 918-46-615, the Netherlands Organization for Health Research and Development (ZonMW), the Research Institute for Disease in the Elderly (RIDE), and the European Union Seventh Framework Programme (FP7/2007–2013) under grant agreement No. 601055, VPHDARE@IT, the Dutch Technology Foundation STW

For all publications, please add references noted below in the reference section

When using data from Task 2, please add "for the ALFA Study" as corporate author in your publication and indicate the following list of contributors: 

Müge Akinci, Annabella Beteta, Raffaele Cacciaglia, Alba Cañas, Irene Cumplido, Carme Deulofeu, Ruth Dominguez, Maria Emilio, Carles Falcón, Karine Fauria, Sherezade Fuentes, Juan Domingo Gispert, Oriol Grau-Rivera, José M. González-de-Echávarri, Laura Hernandez, Gema Huesa, Jordi Huguet, Iva Knezevic, Eider M. Arenaza-Urquijo, Eva M Palacios, Paula Marne, Tania Menchón, Marta Milà-Alomà, Carolina Minguillon, José Luis Molinuevo, Grégory Operto, Albina Polo, Gemma Salvadó, Sandra Pradas, Blanca Rodríguez, Aleix Sala-Vila, Gonzalo Sánchez-Benavides, Mahnaz Shekari, Anna Soteras, Marc Suárez-Calvet, Laura Stankeviciute, Marc Vilanova and Natalia Vilor-Tejedor.


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Additional details


  • Tillin T, Forouhi NG, McKeigue PM, Chaturvedi N. Southall And Brent REvisited: Cohort profile of SABRE, a UK population- based comparison of cardiovascular disease and diabetes in people of European, Indian Asian and African Caribbean origins. Int J Epidemiol 2012 November 1.
  • Jones S, Tillin T, Park C, Williams S, Rapala A, Al-Saikhan L, Eastwood SV, Richards M, Hughes AD, Chaturvedi N. Cohort profile update: Southall and Brent revisited (SABRE) study: a UK population-based comparison of cardiovascular disease and diabetes in people of European, South Asian and African Caribbean heritage. International Journal of Epidemiology, 2020 Oct 13 Published: 13 October 2020
  • Molinuevo et al (2016)
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