finishing the TCIA pelvis regi example
adding converted HDF5 projection data files
adding some description about the conversion to HDF5 and image remap/preview
adding visualization of the converted proj. data
adding regi. scene views
adding registration gifs
working on the TCIA 2d/3d hip radiograph example
updates to the 2d/3d TCIA hip example
Created Example: TCIA Hip Radiograph Rigid Registration (markdown)