Sudoku

Manual grid correction

Best -- Match --

Line threshold 0 Offsets the threshold used to detect Sudoku grid lines. Line gain 15.0 Strengthens weak lines before the grid is positioned. Image rotation 0.0° Corrects a tilted source image; zero keeps automatic rotation.

Waiting for an image.

Drag the grid corners if the automatic position is wrong.

Black and white image

90%

Black threshold 0.90

Result with confidence

No match Avg confidence -- MNIST Font matching