Show HN: Visual Sudoku Solver in the Browser (With OpenCV and TensorFlow)

Re:Show HN: Visual Sudoku Solver in the Browser (With OpenCV... by Sanctor on Wednesday August 21, 2024 @09:24AM (#41310049)

Here are a couple attempts trying to solve an NYT hard sudoku puzzle: https://ibb.co/gtJghBP https://ibb.co/9nvHT1P

1) The half transparent green font color is really hard to read over a white background.

2) It fails to recongize already filled in squares and tries to change them. The source is computer generated and the image is pretty clear. It seems like a best case scenario for digit recongnition, nevertheless it fails.

3) It constantly re-evaluates while I'm trying to hold the puzzle up to the camera with varying degrees of success. Too fast for me to get a screen grab when I see a successful attempt among all the failures.

Cool project though! I was excited to try it :)

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Re:Show HN: Visual Sudoku Solver in the Browser (With OpenCV... by taiters_ on Thursday August 22, 2024 @06:37PM (#41324886)

Thanks for the feedback!

I've recently made a change to try to improve results (Specifically the thresholding step when it's processing the image).

For me it's now finding the grid a bit more consistently, though your mileage may vary.

I've noticed the digit recognition still struggles a bit when looking at a screen though. Perhaps I need to get a bit more data for training the model.

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