METHOD AND APPARATUS FOR OBJECT/MATERIAL DETECTION
First Claim
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1. A method, comprising:
- transmitting and receiving wireless signals from nodes in a sensor field covering an area, the sensor field providing a first sensor;
receiving information from a second sensor covering at least a portion of the area;
determining a size of a target in the area from the first sensor information, wherein the size of the target from the first sensor information is affected by dielectric constants for at least one material of interest associated with the target;
determining a size of the target in the area from the second sensor information;
comparing the size of the target from the first sensor information with the size of the target from the second sensor information to determine whether an anomaly exists based upon the size comparison.
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Abstract
Methods and apparatus to compare the size of a target from the first sensor information with the size of the target from the second sensor information to determine whether an anomaly exists based upon the size comparison. In one embodiment, the size of the target from the first sensor information is affected by dielectric constants for at least one material of interest associated with the target.
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Citations
19 Claims
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1. A method, comprising:
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transmitting and receiving wireless signals from nodes in a sensor field covering an area, the sensor field providing a first sensor; receiving information from a second sensor covering at least a portion of the area; determining a size of a target in the area from the first sensor information, wherein the size of the target from the first sensor information is affected by dielectric constants for at least one material of interest associated with the target; determining a size of the target in the area from the second sensor information; comparing the size of the target from the first sensor information with the size of the target from the second sensor information to determine whether an anomaly exists based upon the size comparison. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system, comprising:
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a first sensor comprising a sensor field including at least one wireless transmitter nodes and receiver nodes to monitor an area; a second sensor to monitor at least a portion of the area; a signal processing module including a processor to; process information from the first sensor to determine a size of a target in the area from the first sensor information, wherein the size of the target from the first sensor information is affected by dielectric constants for at least one material of interest associated with the target; determine a size of the target in the area from the second sensor information; and compare the size of the target from the first sensor information with the size of the target from the second sensor information to determine whether an anomaly exists based upon the size comparison; and an alert module to generate an alert upon detection of the anomaly. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. An article, comprising:
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a computer readable medium containing non-transitory stored instructions that enable a machine to perform; processing information from wireless signals from nodes in a sensor field covering an area, the sensor field providing a first sensor; processing information from a second sensor covering at least a portion of the area; determining a size of a target in the area from the first sensor information, wherein the size of the target from the first sensor information is affected by dielectric constants for at least one material of interest associated with the target; determining a size of the target in the area from the second sensor information; and comparing the size of the target from the first sensor information with the size of the target from the second sensor information to determine whether an anomaly exists based upon the size comparison; and generating an alert upon detection of the anomaly. - View Dependent Claims (18, 19)
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Specification