The latest articles on DEV Community by Yujiroh Tanaka (@yujiroh). https://dev.to/yujiroh https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F178319%2F403331ea-c8ab-4977-820e-e9531757fe42.png https://dev.to/yujiroh en Yujiroh Tanaka Sat, 02 May 2020 13:38:16 +0000 https://dev.to/yujiroh/i-have-made-nonogram-solver-by-ruby-265b https://dev.to/yujiroh/i-have-made-nonogram-solver-by-ruby-265b <p>I have made Nonogram solver by ruby.</p> <p><a href="https://www.sentohsharyoga.com/en/puzzle/nonogram/text/free_size">https://www.sentohsharyoga.com/en/puzzle/nonogram/text/free_size</a></p> nonogram ruby Yujiroh Tanaka Sun, 28 Jul 2019 15:37:04 +0000 https://dev.to/yujiroh/solve-overlapping-sudoku-by-ocr-3j4j https://dev.to/yujiroh/solve-overlapping-sudoku-by-ocr-3j4j <h1> Tools used </h1> <p>・Ruby<br> ・RMagick(ImageMagick)</p> <h1> Method </h1> <p>・Detect cells by using pattern matching<br> ・Determine number(0~9) by making 50 or more thresholds<br> ・Determine the combination of cells normally<br> ・Calculate answer of Sudoku normally</p> <h1> URL </h1> <p><a href="https://www.sentohsharyoga.com/en/puzzle/sudoku_multi/image/free_size">Overlapping Sudoku auto solver</a></p> ruby rails Yujiroh Tanaka Sat, 15 Jun 2019 03:33:25 +0000 https://dev.to/yujiroh/i-changed-fifty-eight-9x9-grids-sudoku-by-ocr-32hd https://dev.to/yujiroh/i-changed-fifty-eight-9x9-grids-sudoku-by-ocr-32hd <h2> Tools used </h2> <p>・Ruby<br> ・RMagick(ImageMagick)</p> <h2> Process </h2> <p>Process is roughly divided into three.</p> <p>①Recognize one cell<br> ②Recognize numbers in cells<br> ③Calculate the overlap of 9x9 grid from the positional relationship of cells</p> <h3> URL </h3> <p><a href="https://www.sentohsharyoga.com/puzzle/sudoku_multi/image/free_size">https://www.sentohsharyoga.com/puzzle/sudoku_multi/image/free_size</a></p> ruby