Nonparametric imaging tracker
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United States of America Patent
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Sep 19, 1989
Grant Date -
N/A
app pub date -
Aug 13, 1987
filing date -
Aug 13, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nonparametric imaging tracker is disclosed that first declares (10) a reference subimage comprising a plurality of image pixels, each pixel having a numerical light intensity level. The tracker then finds (12) a reference distribution of intensity levels in the reference subimage. A plurality of candidate subimages each having a plurality of pixels are then acquired (20). The intensity level distribution of each candidate subimage is compared to the reference distribution, and a statistic for each candidate subimage is computed based on this comparison (26, 28). One of the candidate subimages is then selected based on the value of its statistic (30, 36, 40). A preferred comparison and statistic calculation sequence includes the Kolmogorov-Smirnov test.
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