The basics behind capturing and stitching a HDR vertorama / tiltorama are almost the same as an equirectangular panorama. The only difference is that a vertorama / tiltorama represents a vertical field of view. If you are new to this kind of photography, please familiarise yourself with my previous posts: Vertical Panorama, Equirectangular Panorama and HDR Panorama to get an overview of HDR and panoramic photography.
Vertorama / tiltorama (see comments for details) simply stands for a vertical panorama and it’s one of the best ways to capture interiors. If you are not familiar with panoramic photography, please read my previous post on Equirectangular Panorama to get yourself familiar with the stitching process.