High Resolution, Wide View Angle Head Mounted Display Using Eye Movement Tracking: System Structure and Evaluation Experiments

摘要

This paper describes a Head Mounted display (HMD) which can present visual images with high reality using the characteristics of the human eye. The HMD has lately received considerable attention as a vision presentation equipment at Virtual Reality or Tele-Robotics. However conventional HMDs have problems that those images are narrow view angle and low resolution, because those displays have a fixed number of scanning lines. In order to improve it, an Eye Movement Tracking type HMD (EMT-HMD) was proposed. The EMT-HMD can present wider view angle and higher resolution compared with the conventional HMDs, though conventional display devices are used. The principle is that a small high resolution image is superimposed on a wide low resolution image using two conventional display devices. A small, high resolution image is presented at small area around the view point according to the output of the eye movement detector. On the other hand, a wide, low resolution image is presented at its peripheral wide area. In this paper, the structure which can track eye movement in the 2-dimension will be discussed. Then, the structure of the trial production system will be explained. Also, some evaluation experiments will be introduced to confirm the effectiveness of the proposed idea.