TRACKING APPARATUS, TRACKING METHOD, AND NON-TRANSITORY STORAGE MEDIUM STORING TRACKING PROGRAM
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United States of America Patent
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Issued Date -
Jul 28, 2022
app pub date -
Apr 14, 2022
filing date -
Oct 18, 2019
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Abstract
A tracking apparatus which tracks a target includes a predilection unit, correction unit, and updating unit. The prediction unit predicts the state distribution of the target at a specific time. The correction unit, for at least one observation point of the target, that is observed at the specific time, uses a likelihood function to define a degree of certainty of the state distribution predicted by the prediction unit, and corrects the likelihood function depending on the number of observation points. The updating unit updates the state distribution at the specific time based on the likelihood function corrected by the correction unit.
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