Harmonic Filters for 3D Multichannel Data: Rotation Invariant Detection of Mitoses in Colorectal Cancer. - Matthias Schlachter; Marco Reisert; Corinna Herz; Fabienne Schlurmann; Silke Lassmann; Martin Werner 003; Hans Burkhardt; Olaf Ronneberger (IEEE Trans. Medical Imaging, 2010)