A sample of a ‘scanned’ puzzle.

So this is a section of a sudoku puzzle as the code sees it:

<img src="http://www.thelostsouls.org.uk/wp-content/uploads/2010/06/binarysample.jpg" alt="" title="Binary Sample" width="800" height="399" class="size-full wp-image-65" srcset="https://www.thelostsouls.org.uk/wp-content/uploads/2010/06/binarysample Continued.jpg 800w, https://www.thelostsouls.org.uk/wp-content/uploads/2010/06/binarysample-300×149.jpg 300w” sizes=”(max-width: 800px) 100vw, 800px” />

A small section of a Sudoku converting 1’s and 0’s.

It’s a screen cap of some debug output put into GEdit with a small font. It’s just 1’s and 0’s. A few interesting things here apart from the noise around the lower left of 8 is that it’s clearly obvious which numbers were the ones printed in the paper, the 2 and 3, along with the fact that the perfect horizontal lines are visibly distorted compared to the verticals. This is entirely down to the angle that I suspect most people will photograph things from unless they try for an exactly overhead shot. Now to test my detection routines.

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