Skew Detection for Form Document Using Vertex-chain-code

Journal of East China Normal University(Natural Sc ›› 2004, Vol. 2004 ›› Issue (3): 54-58.

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Skew Detection for Form Document Using Vertex-chain-code

ZHANG Sheng-xi, ZHANG Wei, LI Guo-qiang, GU Guo-qing

College of Information Science and Technology， East China Normal University， Shanghai 200062， China

Received:2003-06-12 Revised:2003-09-03 Online:2004-09-25 Published:2004-09-25
Contact: ZHANG Sheng-xi

Abstract

Abstract: In view of the fact that frame lines and hanging lines of a form image have the longest boundary and the boundary-labeling-automaton gives Vertex-Chain-Code of region boundaries easily, this paper proposes a new method for skew detection for a form image. The algorithm is efficient and robust against strong noise.

Key words: pattern recognition, form, Bribiesca chain code, image processing, pattern recognition, form, Bribiesca chain code

CLC Number:

TP311.52

ZHANG Sheng-xi;ZHANG Wei;LI Guo-qiang;GU Guo-qing. Skew Detection for Form Document Using Vertex-chain-code[J]. Journal of East China Normal University(Natural Sc, 2004, 2004(3): 54-58.

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Skew Detection for Form Document Using Vertex-chain-code

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