System And Method For Object Tracking Anti-Jitter Filtering
First Claim
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1. Object tracking anti-jitter filtering method, comprising:
- receiving, within an object tracking system, a plurality of raw location points for a tracking tag attached to a tracked object;
storing the plurality of raw location points within a raw location points buffer;
averaging ones of the raw location points received within an averaging period to generate an averaged location point;
storing the averaged location point within an averaged location points buffer for use within the object tracking system; and
dynamically adjusting the duration of the averaging period to include a desired number of the raw location points within the averaging period.
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Abstract
Object tracking anti-jitter filtering systems and methods. A plurality of raw location points for a tracking tag attached to a tracked object is received. The raw location points are stored within a raw location points buffer. Raw location points within an averaging window are averaged to generate an averaged location point. The averaged location point is stored within an averaged location points buffer for use within the object tracking system.
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Citations
25 Claims
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1. Object tracking anti-jitter filtering method, comprising:
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receiving, within an object tracking system, a plurality of raw location points for a tracking tag attached to a tracked object; storing the plurality of raw location points within a raw location points buffer; averaging ones of the raw location points received within an averaging period to generate an averaged location point; storing the averaged location point within an averaged location points buffer for use within the object tracking system; and dynamically adjusting the duration of the averaging period to include a desired number of the raw location points within the averaging period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Object tracking anti-jitter filtering system, comprising:
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at least one processor; memory coupled with the processor for storing raw location points of a tracked object; an averaging filter comprising machine readable instructions stored within the memory and executed by the processor to generate an averaged location point having reduced jitter when compared to the raw location points by averaging a desired number of raw location points within an averaging window; and
,a points based period controller comprising machine readable instructions stored within the memory and executed by the processor to incrementally increase the desired number of raw location points within the averaging window when a latest speed of the tracked object is less than a predefined low speed threshold, and to incrementally decrease the desired number of raw location points within the averaging window when the latest speed is greater than a predefined high speed threshold. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. Object tracking anti-jitter filtering method, comprising:
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receiving, at predetermined intervals and within an object tracking system, a plurality of raw location points for a tracking tag attached to a tracked object; storing the plurality of raw location points within a raw location points buffer; averaging a plurality of the raw location points received within an averaging period window to generate an averaged location point, wherein the center of the averaging period window is located at a position within the stored raw location points representing a fixed time delay from the latest stored raw location point; and dynamically adjusting the size of the averaging period to include a desired number of the raw location points within the averaging period such that the center of the averaging period window is maintained at the position. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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Specification