Systems and methods for false alarm reduction during event detection
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United States of America Patent
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Jul 19, 2016
Grant Date -
Sep 26, 2013
app pub date -
Mar 23, 2012
filing date -
Mar 23, 2012
priority date (Note) -
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Abstract
Embodiments of the present invention provide a system, method, and program product to determine whether a product has been successfully purchased by identifying in a video record when a movement of a product adjacent to a scanner occurs, and whether the scanner did not record a purchase transaction at that time; measuring a difference in time between the time of the movement of the product and a time of another movement of a product, and determining by a trained support vector machine a likelihood that the product was successfully purchased. Alternately, the difference in time can be measured between the time of the movement of the product and a time of a transaction record, or between the time of the movement of the product and a boundary time. The support vector machine can use a radial basis function kernel and can generate a decision value and a confidence score.
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