横臥療養者向けVR映像提示方法とディスプレイ形状の基礎検討

抄録

VR has been applied to medical treatment and welfare, and there are more and more opportunities for the elderly and recuperators to use VR. However, it is difficult for the elderly and recuperators to wear head-mounted display (HMD) because of the physical burden. In addition, immersive display that covers the user's surroundings is difficult to introduce in medical and welfare environment due to the large size of the equipment. These challenges are particularly significant for bedridden patients. Therefore, we propose a VR image presentation system for bedridden patients that can be used at the bedside without the burden of wearing a device. Through the subject experiments, we confirmed the usefulness of the proposed system regarding the presence and simulator sickness. In addition, we investigated the method of presenting VR images in the lying position, and showed that it is effective to present VR images horizontal to the eyes. Furthermore, we obtained the design parameters of the display shape considering the head posture in the lying position. From these findings, we obtained a guideline for system design considering head posture restrictions for bedridden patients.