Research on eye gaze estimation technique base on 3D model

This paper proposes a 3D model gaze estimation method based on a single-camera that can widely use as the computer input device for human computer interaction. To avoid using extra light sources and allow free head movements, our method creates an accurate model of the eye and gaze estimation algorithm, which based on the spatial relationships of the eye and the screen. Establishment of 3D gaze estimation model allows the user at any distance and under natural head movement. Compared with the present gaze estimation methods, our proposed method allows the head have a substantial movement, even the head of rotating. The proposed system is easy to implement and adaptable, and the experimental results show that the accuracy of this algorithm is less than 5° and have a good stability.