1 0 0 0 OA 注視点検出と瞳孔マウスの組合せによるPC入力法
- 著者
- 袴田 勇人 海老澤 嘉伸 福元 清剛
- 出版者
- 一般社団法人 映像情報メディア学会
- 雑誌
- 映像情報メディア学会誌 (ISSN:13426907)
- 巻号頁・発行日
- vol.66, no.12, pp.J510-J515, 2012 (Released:2012-11-22)
- 参考文献数
- 10
We propose a method combining eye-gaze detection and PupilMouse to use for communicators for severely physically handicapped people. Both methods are based on remote pupil detection with a near-infrared light source. We had already implemented those methods in similar systems . With PupilMouse, the cursor on the PC display screen is moved smoothly and accurately based on the pupil movements in the camera image caused by the user ' s head movement. In contrast, with the eye-gaze detection method, the cursor moves quickly by shifting the eye-gaze point on the screen and arrives at an inaccurate eye-gaze position. In the proposed method, to use the advantages of both methods, the method is switched in accordance with the speed of the eye-gaze shift. The experimental results show that the proposed method enables characters to be inputs more quickly, accurately, and comfortably than when using one of the two conventional methods.
1 0 0 0 OA 3カメラによる眼鏡着用者における瞳孔検出改善
- 著者
- 山川 大貴 福元 清剛 海老澤 嘉伸
- 出版者
- 一般社団法人 映像情報メディア学会
- 雑誌
- 映像情報メディア学会誌 (ISSN:13426907)
- 巻号頁・発行日
- vol.68, no.6, pp.J232-J237, 2014 (Released:2014-05-23)
- 参考文献数
- 18
It is difficult for gaze detection systems to detect pupils in camera images containing eyeglasses reflections caused by the infrared light sources necessary for gaze detection. In a previous study with a system using two cameras, we proposed a geometrical pupil detection algorithm. However, depending on the positional relationship between the pupil and the reflection, the algorithm was not always effective. In the present study, we arranged three cameras—one at each vertex of a triangle—and composed three camera pairs with different base line directions. We propose several new algorisms, and in the basic algorithm, pupil candidates indicating the suprathreshold angle between two planes, each of which includes the cameras composing a camera pair and the candidate detected by one of the two cameras, are removed from the candidate list. A significant improvement of pupil detection is experimentally demonstrated.