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RoxanaTFA's avatar
RoxanaTFA
Copper Contributor
Oct 20, 2020

Vision API: preprocessing

Hello,   I am looking to do Vision OCR on some bulk scanned docs/photos of docs and the quality (of the image and subsequently of the text output) is not always good. What kind of preprocessing/t...
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jakeatmsft's avatar
jakeatmsft
Icon for Microsoft rankMicrosoft
Oct 20, 2020
Hi Roxana, in my experience OpenCV and SciPy are my go to libraries for preprocessing of images. It's important to provide a high-quality image in order for the OCR to detect text. Try to use at least 300dpi resolution images in order to get acceptable results.

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