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Test candidate regex on actual PDFs #11

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waldoj opened this issue Jun 22, 2014 · 2 comments
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Test candidate regex on actual PDFs #11

waldoj opened this issue Jun 22, 2014 · 2 comments
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waldoj commented Jun 22, 2014

Review at least a few dozen SSN-bearing PDFs, testing the candidate regular expression against real data, to fine-tune it.
@waldoj waldoj self-assigned this Jun 22, 2014
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waldoj commented Jun 22, 2014

The test cases aren't great. I OCRed these files fairly naively, using PyPDFOCR (which, in turn, relies on Poppler and Tesseract), and the quality of the OCR is low, in my experience. The biggest problem is that it just randomly fails to OCR digits, digits that are perfectly obvious. So 123-45-6789 might be OCRed as 123-4-6789 and that, of course, is not identified as an SSN.

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waldoj commented Jun 22, 2014

The good news is that I was able to identify some common real-world problems in identifying SSNs (#1, #3, #4, #5), each of which is very solvable.

@waldoj waldoj closed this as completed Jun 27, 2014
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