Spectral augmentation for heart chambers segmentation on conventional contrasted and unenhanced CT scans: an in-depth study. - Pierre-Jean Lartaud; David Hallé; Arnaud Schleef; Riham Dessouky; Anna Sesilia Vlachomitrou; Philippe Douek; Jean-Michel Rouet; Olivier Nempont; Loïc Boussel (Int. J. Comput. Assist. Radiol. Surg., 2021)