发明名称 |
Real-time eye detection and tracking under various light conditions |
摘要 |
System and methods for non-intrusive real-time eye detection and tracking are disclosed. A subject's eyes can be detected by using active illumination analysis to generate a difference image of the subject. In the difference image, the bright pupil effect intensifies the appearance of the subject's pupils. A component analysis can be used to identify a set of pupil candidates from the difference image. An appearance-based analysis can be applied to the pupil candidates to identify the subject's eyes from background noise that can occur under various lighting conditions. After the subject's eyes are detected, a multi-stage tracking process is disclosed for detecting real-time eye movements. Further features are disclosed such as an image acquisition apparatus that reduces external illumination interferences.
|
申请公布号 |
US7206435(B2) |
申请公布日期 |
2007.04.17 |
申请号 |
US20030396285 |
申请日期 |
2003.03.24 |
申请人 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA |
发明人 |
FUJIMURA KIKUO;ZHU ZHIWEI |
分类号 |
G06K9/00;A61B3/113;A61B5/18;G06T7/00;G06T7/20 |
主分类号 |
G06K9/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|