System or method for classifying images
First Claim
1. A classification system comprising:
- a vector subsystem, including a sensor image and a feature vector, wherein said vector subsystem provides for generating said feature vector from said sensor image; and
a determination subsystem, including a classification, a first confidence metric, and a historical characteristic, wherein said determination subsystem provides for generating said classification from said feature vector, said first confidence metric, and said historical characteristic.
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Abstract
A system or method (collectively “classification system”) is disclosed for classifying sensor images into one of several pre-defined classifications. Mathematical moments relating to various features or attributes in the sensor image are used to populated a vector of attributes, which are then compared to a corresponding template vector of attribute values. The template vector contains values for known classifications which are preferably predefined. By comparing the two vectors, various votes and confidence metrics are used to ultimately select the appropriate classification. In some embodiments, preparation processing is performed before loading the attribute vector with values. Image segmentation is often desirable. The performance of heuristics to adjust for environmental factors such as lighting can also be desirable. One embodiment of the system is to prevent the deployment of an airbag when the occupant in the seat is a child, a rear-facing infant seat, or when the seat is empty.
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Citations
31 Claims
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1. A classification system comprising:
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a vector subsystem, including a sensor image and a feature vector, wherein said vector subsystem provides for generating said feature vector from said sensor image; and
a determination subsystem, including a classification, a first confidence metric, and a historical characteristic, wherein said determination subsystem provides for generating said classification from said feature vector, said first confidence metric, and said historical characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An airbag deployment system, comprising:
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a plurality of pre-defined occupant classifications;
a camera for capturing a raw image;
a computer, including an edge image and vector of features, wherein said computer generates said edge image from said raw image, wherein said vector of features is loaded from said edge image, and wherein one classification within said plurality of pre-defined occupant classifications is selectively identified by said computer from said vector of features; and
an airbag deployment mechanism, including a classification and an airbag deployment determination, wherein said airbag deployment mechanism provides for generating said airbag deployment determination from said classification. - View Dependent Claims (23, 24, 25, 26, 27)
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28. A method for classifying an image, comprising:
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capturing a visual image of a target;
making a day-night determination from the visual image of the target;
selecting a image processing heuristic on the basis of the day-night determination;
converting the visual image into an edge image with the selecting image processing heuristic;
populating a vector of features with feature values extracted from the edge image; and
generating a classification from the vector of features. - View Dependent Claims (29, 30, 31)
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Specification