An algorithm of slant correction for billet characters using height feature of characters

Hongyang Chen; Hanyu Hong; Jiansong Yi

doi:10.1117/12.2205631

14 December 2015 An algorithm of slant correction for billet characters using height feature of characters

Hongyang Chen, Hanyu Hong, Jiansong Yi

Proceedings Volume 9813, MIPPR 2015: Pattern Recognition and Computer Vision; 98130L (2015) https://doi.org/10.1117/12.2205631
Event: Ninth International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2015), 2015, Enshi, China

Abstract

Slant correction for billet characters is primary and critical step of the recognition of steel billet characters. Character positioning is not accurate when the billet characters are inclined. To solve this problem, this paper presents an algorithm of slant correction for billet characters using height feature of characters. Characters are linearly arranged, using this feature, the angle between the horizontal direction and the base line can be calculated, then the sloping billet characters can be corrected. Experimental results show that the proposed method can correct sloping characters accurately. Compared with the traditional algorithm of slant correction for billet characters, the proposed method can obtain better results.

Citation Download Citation

Hongyang Chen, Hanyu Hong, and Jiansong Yi "An algorithm of slant correction for billet characters using height feature of characters", Proc. SPIE 9813, MIPPR 2015: Pattern Recognition and Computer Vision, 98130L (14 December 2015); https://doi.org/10.1117/12.2205631

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KEYWORDS

Detection and tracking algorithms

Computer vision technology

Image processing

Current controlled current source

Data storage

Electrical engineering

Machine vision

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