Search found 2 matches
- 2016-01-29T02:53:57-07:00
- Forum: Users
- Topic: Pre-Process for OCR with tesseract. Only Digits.
- Replies: 9
- Views: 13804
Re: Pre-Process for OCR with tesseract. Only Digits.
Thanks for your reply. I realize what threshold does however it seems the results are still better if tesseract gets a pure black and white image as input.. i actually did not think about having tesseract only detect digits (and a comma, a dot and a dash) - now i found out how to configure that and ...
- 2016-01-28T05:47:33-07:00
- Forum: Users
- Topic: Pre-Process for OCR with tesseract. Only Digits.
- Replies: 9
- Views: 13804
Pre-Process for OCR with tesseract. Only Digits.
Hi, I have to process screenshots from excel-style tables with mostly numbers in it. Since the screenshot always has the same size and all columns are at static pixel positions, I have implemented a script to crop out individual cells into small images. THey have a very low resolution of just 15-19 ...