Image Sudoku Solver on Browser

Having a hard time solving Sudoku? Take a picture of your sudoku from your mobile (or webcam) to get the solution.

Webcam Sudoku Solver

Copyright (c) 2021 Michio Inoue

• Sudoku Solver, Live WebCam (PC only)
• Sudoku Solver, Static Image (for mobile)

The sudoku on webcam image is recognized by classic image processing techniques and each digit is recognized by a simple CNN. The solution of the sudoku is overlayed on the original image and displayed on the web page.

日本語の解説はこちら

• 全体像: docs/JP_SudokuSolverOverview.md
• モデル学習: docs/JP_trainCNNtoClassifyDigits.md

Products used in development

• MATLAB R2021b
• Image Processing Toolbox
• Deep Learning Toolbox
• MATLAB Coder

MATLAB's Sudoku solver is implemented as a form of WebAssembly, through "Generate JavaScript Using MATLAB Coder" version 2.0.2 by Geoff McVittie. The tool allows you to create JavaScript/WebAssembly libraries from MATLAB projects using MATLAB Coder.

You can find the tool here: https://jp.mathworks.com/matlabcentral/fileexchange/69973-generate-javascript-using-matlab-coder

Training CNN

The details can be find here model/trainCNN/trainCNNtoClassifyDigits.mlx