How to assess the quality of Tesseract OCR output programmatically?

[nitin]

Hi Dear members,

Is there a way to 'assess the quality of Tesseract OCR output'?

I need to provide such statistics along with the scanned image-to-pdf output file results, 

so the users can decide and sort whether the out-put quality is acceptable or not (like above 50%....80% recognition done successfully).

Also I need to determine this programmatically.

Thanks for your time.

Regards

[ShreeDevi Kumar]

You can compare OCRed text with groundtruth text. If creating pdf, you will have to extract text from it to compare.

There are two options:

https://github.com/impactcentre/ocrevalUAtion

or

https://github.com/eddieantonio/isri-ocr-evaluation-tools

https://github.com/ryanfb/ancientgreekocr-ocr-evaluation-tools

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