Corinne Fournier is Assistant Professor at Université Jean Monnet, France, and member of the Laboratoire Hubert Curien. She works in unconventional imaging and her research interests include the codesign (optics/image processing) of instruments, particularly interferometric microscopy applied to the biomedical field. Olivier Haeberlé is Professor at the Université de Haute-Alsace, France, and member of the Institut de Recherche en Informatique, Mathématiques, Automatique et Signal. His research interests include image formation mechanisms and new label-free microscopy techniques for cell imaging based on holography.