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    題名: The extraction of text/graphs from degraded documents
    作者: Yen, Shwu-huey;Chen, Yi-jin;Lin, Hwei-jen;Wang, Chia-zen
    貢獻者: 淡江大學資訊工程學系
    日期: 2004-01-05
    上傳時間: 2010-01-11 14:06:18 (UTC+8)
    摘要: This paper presents a method for improving the quality of degraded documents by noise removal and text enhancing. Histogram of a degraded document is analyzed to find out the approximate ranges of gray-value for text-, graph-, (i.e. photographs), and background-pixels. After the graph-pixels are identified, they are replaced by the background pixels. Agent-growing method described by S. H. Yen and M. C. Shih (2000) is then applied to smooth the noisy background and a document with clear readable condition for text and background is obtained. At last, graph pixels are recovered to get the final result such that the degraded document now has the text in much better quality and photographs preserved if there is any. Experiments to verify the efficacy of the proposed method and comparison to some existing techniques are also presented.
    關聯: Proceedings of The 10th International Multi-Media Modeling Conference, pp.181-186
    DOI: 10.1109/MULMM.2004.1264984
    顯示於類別:[資訊工程學系暨研究所] 會議論文

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