Method and apparatus for eye tracking in a vehicle
First Claim
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1. Apparatus, comprising:
- a translatory position monitor, responsive to a translatory position of a head, for providing a translatory position signal;
an eye monitor, responsive to a monitored eye in said head for providing a monitored eye signal;
a signal processor, responsive to the monitored eye signal and the translatory position signal, for providing a processed signal referenced to a vehicle coordinate system; and
a control, responsive to the processed signal referenced to the vehicle coordinate system, for providing a control signal.
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Abstract
The attitude of a human eye with respect to a head coordinate system is monitored for the purpose of determining the visual axis and for providing a control signal for control purposes such as controlling an image. The position, attitude or both of the head with respect to a reference frame may also be monitored for translating and/or transforming the monitored visual axis into other reference frames. Transformations and translations of the visual axis into additional reference frames are also disclosed.
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Citations
27 Claims
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1. Apparatus, comprising:
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a translatory position monitor, responsive to a translatory position of a head, for providing a translatory position signal; an eye monitor, responsive to a monitored eye in said head for providing a monitored eye signal; a signal processor, responsive to the monitored eye signal and the translatory position signal, for providing a processed signal referenced to a vehicle coordinate system; and a control, responsive to the processed signal referenced to the vehicle coordinate system, for providing a control signal. - View Dependent Claims (2, 3, 4)
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5. A method for monitoring an eye, comprising the steps of:
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sensing translatory position of a head with respect to a vehicle coordinate system for providing a sensed translatory head position signal; monitoring an eye in said head for providing a monitored eye signal; and providing a control signal in response to the monitored eye signal and the sensed translatory head position signal. - View Dependent Claims (6, 7, 8)
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9. Apparatus, comprising:
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means for sensing visual axes of a pair of eyes in a head for providing sensed eye direction signals; means for sensing translatory position of the head with respect to a vehicle coordinate system for providing a head translatory position signal; means responsive to the sensed eye direction signals and the head translatory position signal, for providing an eyepoint signal indicative of a conjunction at a point in space of said visual axes; and means responsive to the eyepoint signal for providing a control signal. - View Dependent Claims (10)
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11. Apparatus, comprising:
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a signal processor, responsive to a head translatory position signal indicative of a translatory position associated with a head translating with respect to a vehicle coordinate system and responsive to an eye direction signal indicative of direction of an eye in said head, for providing the eye direction signal referenced to said vehicle coordinate system; and a control, responsive to the eye direction signal referenced to the vehicle coordinate system, for providing a control signal. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. Method for monitoring an eye in a head attached to a body, comprising the steps of
providing, in response to a head translatory position signal indicative of a translatory position associated with said head translating with respect to a vehicle coordinate system and in response to an eye direction signal indicative of a direction of said eye in said head, an eye direction signal referenced to said vehicle coordinate system, and providing, in response to the eye direction signal referenced to the vehicle coordinate system, a control signal.
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25. Apparatus, comprising:
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one or more monitors, responsive to translations in position of a human head attached to a body positioned in a vehicle, attitudinal changes of said head and eye movements of at least one eye in said head, for providing one or more monitored signals indicative of said head translations, said attitudinal changes and said eye movements; and a computer, responsive to said one or more monitored signals indicative of said head translations, said head attitudinal changes and said eye movements, for providing a processed signal indicative of said eye movements. - View Dependent Claims (26, 27)
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Specification