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Kurangi bentuk biner menjadi kerangka selebar 1 piksel. Berguna untuk analisis bentuk, pengenalan tulisan tangan, dan ekstraksi topologi.
Buat kerangka bentuk biner menjadi garis tengah selebar 1 piksel dengan penipisan Zhang-Suen atau Guo-Hall untuk OCR dan analisis bentuk.
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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.