Screen pattern removal for character pattern extraction from high-resolution color document images

Hideaki Goto, Hirotomo Aso

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

Screen patterns used in offset-printing become visible or cause moiré noise in the images if the documents are scanned at high resolution such as 400dpi or more. This has been an obstacle in developing document recognition systems which handle color documents. This paper proposes a new method for filtering screen patterns/noise in high-resolution color document images. The method utilizes a wavelet analysis for screen pattern detection. Experimental results show that our method can smear periodic screen patterns effectively preserving thin character strokes.

本文言語English
ホスト出版物のタイトルProceedings of the 17th International Conference on Pattern Recognition, ICPR 2004
編集者J. Kittler, M. Petrou, M. Nixon
ページ490-493
ページ数4
DOI
出版ステータスPublished - 2004 12 17
イベントProceedings of the 17th International Conference on Pattern Recognition, ICPR 2004 - Cambridge, United Kingdom
継続期間: 2004 8 232004 8 26

出版物シリーズ

名前Proceedings - International Conference on Pattern Recognition
1
ISSN(印刷版)1051-4651

Other

OtherProceedings of the 17th International Conference on Pattern Recognition, ICPR 2004
国/地域United Kingdom
CityCambridge
Period04/8/2304/8/26

ASJC Scopus subject areas

  • コンピュータ ビジョンおよびパターン認識

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