IMAGE MODULATION METHODS AND DEVICES USING IMAGE FILTERS, IMAGE PARAMETERS, QUALITY SCORES AND GRAYSCALE CLUSTERS
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United States of America
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Apr 3, 2025
app pub date -
Sep 29, 2023
filing date -
Sep 29, 2023
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Abstract
An electronic device obtains a first image, including an image area enclosing a barcode, selects an image filter having a filter parameter, and iteratively processes the first image until a quality score satisfies an image modulation condition. A set of filters and associated filter parameters are determined for processing additional barcode images based on at least the image filter and the filter parameter corresponding to the quality score that satisfies the image modulation condition. During each iterative cycle, the image area is processed by the image filter having the filter parameter to generate a plurality of grayscale values, determine the quality score that measures the quality of two grayscale clusters grouping the grayscale values of the image area, determine whether the quality score satisfies the image modulation condition, and adjust the filter parameter of the image filter when the quality score does not satisfy the image modulation condition.
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