Smart traffic sign system and method
First Claim
1. A system comprising:
- a gated sensor attached to a vehicle and configured to receive near infrared (NIR) pulsed and/or continuous wave (CW) modulated illumination signals from a scene, and to detect one or more traffic-signs that are present in the scene, wherein at least some of the traffic-signs are time-variant traffic-signs which present time-variant visual indicators; and
a controller configured to;
synchronize the gated sensor with said received NIR pulsed and/or CW modulated signals to yield at least one image of the one or more traffic-signs that are present in the scene;
monitor and analyze, in real time and with respect to the at least one image;
relative metrics indicative of one or more spatial relations between the vehicle and the one or more detected traffic-signs; and
temporal data associated with the time-variant visual indicators of the time-variant traffic-signs, andapply one or more decision functions to at least two of;
the detected one or more traffic-signs, the monitored relative metrics, and the temporal data associated with the time-variant visual indicators, to invoke an action selected from a predefined set of actions.
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Accused Products
Abstract
A system for increasing awareness of a driver to traffic-signs on the road is provided herein. The system includes: a sensor attached to a vehicle and configured to determine a type of one or more traffic-signs that are present in a scene containing the vehicle, wherein at least some of the traffic-signs are time-variant traffic-signs which present time-variant visual indicators; and a controller configured to: monitor and analyze, in real time: relative metrics indicative of one or more spatial relations between the vehicle and the one or more detected traffic-signs; and temporal data associated with the time-variant visual indicators of the time-variant traffic-signs; apply one or more decision functions to at least two of: the detected one or more traffic-signs and to the monitored relative metrics, and the temporal data associated with the time-variant visual indicators, so as invoke an action selected from a predefined set of actions.
80 Citations
14 Claims
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1. A system comprising:
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a gated sensor attached to a vehicle and configured to receive near infrared (NIR) pulsed and/or continuous wave (CW) modulated illumination signals from a scene, and to detect one or more traffic-signs that are present in the scene, wherein at least some of the traffic-signs are time-variant traffic-signs which present time-variant visual indicators; and a controller configured to; synchronize the gated sensor with said received NIR pulsed and/or CW modulated signals to yield at least one image of the one or more traffic-signs that are present in the scene; monitor and analyze, in real time and with respect to the at least one image; relative metrics indicative of one or more spatial relations between the vehicle and the one or more detected traffic-signs; and temporal data associated with the time-variant visual indicators of the time-variant traffic-signs, and apply one or more decision functions to at least two of;
the detected one or more traffic-signs, the monitored relative metrics, and the temporal data associated with the time-variant visual indicators, to invoke an action selected from a predefined set of actions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13)
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12. A method comprising:
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receiving, via a gated sensor, CW NIR pulsed and/or modulated illumination signals from a scene; detecting, from a vehicle, one or more traffic-signs that are present in a scene, wherein at least some of the traffic-signs are time-variant traffic-signs which present time-variant visual indicators; synchronizing the gated sensor with said received CW NIR pulsed and/or modulated signals to yield at least one image of the one or more traffic-signs that are present in the scene; monitoring and analyzing, in real time and with respect to the at least one image; relative metrics indicative of one or more spatial relations between the vehicle and the one or more detected traffic-signs; and temporal data associated with the time-variant visual indicators of the time-variant traffic-signs; and applying one or more decision functions to at least two of;
the detected one or more traffic-signs, the monitored relative metrics, and the temporal data associated with the time-variant visual indicators, to invoke an action selected from a predefined set of actions. - View Dependent Claims (14)
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Specification