VEHICLE DRIVER ASSIST SYSTEM
First Claim
1. A method for assisting a driver comprising:
- generating a video signal representing a vehicle environment outside a vehicle;
extracting at least one feature from the video signal;
comparing the extracted feature to at least one reference feature, the reference feature being selected from a plurality of reference features which are stored as location attributes in a map database;
identifying an object in the vehicle environment on the basis of the comparison of the extracted feature and the reference feature; and
providing an indication to a driver of the vehicle on the basis of the identified object.
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Accused Products
Abstract
A driver assist system is provided that generates a video signal representing a vehicle environment outside a vehicle. At least one feature is extracted from the video signal. A reference is selected from a plurality of reference features stored as location attributes in a map database. The extracted feature is compared to at least one reference feature. An object in the vehicle environment is identified based on the comparison of the extracted feature and the reference feature. An indication is provided to a driver of the vehicle on the basis of the identified object. In one example, the system includes a video capturing device, an indicating device, a vehicle-based processing resource and access to a map database server. Processing tasks may be distributed among the vehicle-based processing resource and an external processing resource.
27 Citations
25 Claims
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1. A method for assisting a driver comprising:
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generating a video signal representing a vehicle environment outside a vehicle; extracting at least one feature from the video signal; comparing the extracted feature to at least one reference feature, the reference feature being selected from a plurality of reference features which are stored as location attributes in a map database; identifying an object in the vehicle environment on the basis of the comparison of the extracted feature and the reference feature; and providing an indication to a driver of the vehicle on the basis of the identified object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A driver assist device for mounting in a vehicle comprising:
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a vehicle-based video capturing device configured to generate a video signal representing a vehicle environment outside the vehicle; and an indication device configured to provide an indication to a driver of the vehicle on the basis of an object identified in the vehicle environment, where the object is identified on the basis of a comparison between at least one feature extracted from the video signal and at least one reference feature, the reference feature being selected from a plurality of precomputed reference features stored as location attributes in a map database. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A driver assist system comprising:
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a map database configured to store a plurality of precomputed reference image features as location attributes; and a first data processing resource configured to compare a feature extracted from a video signal to at least one reference feature, the video signal representing a vehicle environment outside a vehicle, and the reference feature being selected from the plurality of precomputed reference image features, and to identify an object in the vehicle environment on the basis of the comparison. - View Dependent Claims (21, 22, 23, 24, 25)
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Specification