1. A head mounted image-sensing display device comprising: a pair of image-sensing units configured to stereoscopically capture a physical space and outputting a pair of stereoscopic images; a display unit configured to displaying an image for a right eye and an image for a left eye, based on said pair of stereoscopic images; and a storage unit configured to store image-sensing parameters that are previously measured for said pair of image-sensing units for generating a virtual object to be superimposed on the pair of stereoscopic images.