Abstract
In order to manually operate a robot under an extreme environment or make a remote medical diagnosis from a distant place freely, tele-existence technology of a high order is desired. In particular, the visual system plays an important role. However, in head-mounted displays (HMD) up to the present, ones that are superior in quality of display have only a narrow field of view, while ones having a wide field of view are inferior in quality of display, and no sufficient HMD satisfying both requirements has yet been developed. In this study, we intended to extend the field of view of HMD without sacrificing good quality of display by setting a pair of monocular fields of view on both sides of a central binocular field of view in consideration of the information acceptance properties of the human visual system. As a result of observation by an experimental HMD of our own making, sufficient HMD properties were confirmed. This experimental HMD has a wide horizontal field of view of about 80°in contrast to about 30°for the existing HMD, as well as sufficient display quality, showing it to be a superior tele-existence visual system with good sense of actual attendance.
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