發送短信 : Using iris region eigenvalues for user-independent eye-gaze distance estimation in single-camera setup

 _    _    _    _    _    _    __   __     _____  
| |  | || | || | || | || | ||  \ \\/ //   / ___// 
| |/\| || | || | || | || | ||   \ ` //    \___ \\ 
|  /\  || | \\_/ || | \\_/ ||    | ||     /    // 
|_// \_||  \____//   \____//     |_||    /____//  
`-`   `-`   `---`     `---`      `-`'   `-----`