Endoscope device and focus control method for endoscope device
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United States of America Patent
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Nov 3, 2020
Grant Date -
Nov 9, 2017
app pub date -
Jul 21, 2017
filing date -
Jan 23, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An endoscope apparatus comprises a processor comprising hardware. The processor is configured to implement a motion amount calculation process and a focus control process. The processor implements the motion amount calculation process that calculates a plurality of local motion amounts, calculates a correlation between each of the plurality of local motion amounts and a peripheral local motion amount, and calculates the relative motion amount based on a local motion amount among the plurality of local motion amounts that has the correlation higher than a given correlation. And the processor implements the focus control process that calculates a cumulative motion amount by accumulating the relative motion amount over N frames (wherein N is a natural number equal to or larger than 3), and causes the imaging section to perform a focus operation when it has been determined that the cumulative motion amount is larger than the first threshold value.
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