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Fix barcode reading issues due to variying lighting condition or image size

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Certain input files for barcode reading can have varying lighting condition or image size. So we need to bring them to approximately the same state.

{ "ImagePreprocessingFilters.AddScale()": [1500, 'true', 'HighQualityBicubic'] , 'ImagePreprocessingFilters.AddGamma()": [1.4] }

Applies To:

  • /barcode/read/from/url

AddScale filter will auto-scale input images to the same size (1500 pixels).

AddGamma filter will increase the color intensity for better recognition.

Please Note: This does not guarantee that all similar images will be decoded, but it should work with most of them.