aperrin

4 ms·

1.
by aperrin 6y ago
Hi ! I think you can use my code to detect and extract the grid, then run a "color detector" script on all the regions instead of the Tesseract recognizer, and return the RBG/HSL/... values in a text file. I don't k
2.
by aperrin 6y ago
You are right! I'm a student and my problem was some Supply Chain and Lean Management homeworks: I needed to process computations on tables of numbers but my teacher didn't had the data, only screenshots of those tables, so I spen
3.
by aperrin 6y ago
Hi ! Tesseract is used to recognize numbers as strings, which are then casted into floats. So it actually does recognize letters, but during the cast it will generate an error and outputs as numpy.inf ; but this was a choice of mine, and on
4.
by aperrin 6y ago
The program runs with Python and Tesseract. It is quite fast (less than one second for a table of 100 numbers) though I never tested it with larger tables. It detects numbers from an image of a table, which is supposed not to be rotated and
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by aperrin 6y ago
Hi ! Thank you for sharing this, it's a great tool I bumped into when searching for an image to CSV converter. But it seems to work with graphs only if I'm not mistaken.
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by aperrin 6y ago
Done it, thank you for the tip ! ;-)
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by aperrin 6y ago
Hi ! I couldn't find a tool like that when I needed it, so I made that as a Python beginner's project. Hope you'll find it useful. :-)
8.
Show HN: I made a tool to convert images of tables to CSV(github.com)
354 points by aperrin 6y ago|60 comments