DETECTION DEVICE, ANALYSIS METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM
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United States of America Patent
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Issued Date -
Nov 30, 2023
app pub date -
May 10, 2023
filing date -
May 30, 2022
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Abstract
A detection device includes a processor that detects a state change of a target object based on sensor value array data in which sensor values acquired from sensors are associated with array positions of the sensors, generates, with respect to two pieces of the sensor value array data for which the sensor values are acquired at different times, differential value array data, generates, from the differential value array data, two pieces of partial differential value array data, and determines presence or absence of a smooth change of the differential values in the differential value array data based on a result of threshold determination on similarity between the differential values in the two pieces of partial differential value array data and a result of threshold determination on a variance value of the differential value array data.
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