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バイナリ シェイプを 1 ピクセル幅のスケルトンに縮小します。形状解析、手書き認識、トポロジー抽出に役立ちます。
OCR および形状分析のために Zhang-Suen または Guo-Hall 細線化を使用して、バイナリ形状を 1 ピクセル幅の中心線にスケルトン化します。
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Thinning reduces a binary shape to a 1-pixel-wide representation (skeleton) while preserving the topology and connectivity. It is the morphological equivalent of finding the
Zhang-Suen is the classic iterative algorithm and works well for most shapes. Guo-Hall is a one-pass variant that can produce slightly different skeletons — it is faster but may leave more staircase artifacts.