发明名称 |
User interface |
摘要 |
A gaze tracker for a multimodal user interface uses a standard videoconferencing set on a workstation to determine where a user is looking on a screen. The gaze tracker uses the video camera (100) to make a quantised image of the user's eye. The pupil is detected in the quantised image and a neural net (125) is used in training the gaze tracker to detect gaze direction. A pre-processor (115) may be used to improve the input to the neural net. A Bayesian net (140) is used to learn the relationship between response time and accuracy for the output of the neural net so that a user's externally set preference can be accommodated. |
申请公布号 |
AU1165799(A) |
申请公布日期 |
1999.06.07 |
申请号 |
AU19990011657 |
申请日期 |
1998.11.16 |
申请人 |
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY |
发明人 |
BEHNAM AZVINE;DAVID DJIAN;KWOK CHING TSUI;LI-QUN XU |
分类号 |
A61B3/113;G06F3/00;G06F3/01;G06K9/00 |
主分类号 |
A61B3/113 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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