Hi , i am trying to improve upon the accuracy of my results by applying an image pre process to remove colored backgrounds on the image .Attached is a sample of the image .I am presently converting the image into grayscale but it fails .When i apply a threshold it ends up cleaning the text entirely . What i want is achieve results like the one achieved in ImageMagick TextCleaner <http://www.fmwconcepts.com/imagemagick/textcleaner/> .Any code samples or open source library will be much appreciated .Thanks.
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