Optical reading device
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United States of America Patent
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Nov 21, 2023
Grant Date -
N/A
app pub date -
Mar 11, 2022
filing date -
Mar 19, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
Even if a size of a read image is large, a code search process can be speeded up to enable immediate output of a decoding result. Each time a predetermined number of lines of image data is taken, a pre-processing circuit executes pre-processing on the image data and calculates a characteristic amount indicating the likelihood of the code for each area in the image data. A processor determines a code candidate area based on the acquired characteristic amount and executes a decoding process of the determined area to generate a decoding result.
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