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別名: position detection pattern finder

QRコードの左上、右上、左下の角にある、同一の7×7モジュール正方形が3つあります。1:1:3:1:1という暗-明-暗の比率が特徴的で、スキャナーはどの回転角度からでもシンボルを検出・方向判定できます。

関連用語

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