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    請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/29253


    題名: ZOOMING TECHNIQUES ON DIGITAL CHINESE CHARACTER PATTERNS - A FURTHER STUDY AND IMPROVEMENT
    作者: JU,RH;JOU,IC;TSAY,MK
    貢獻者: 資訊工程研究所
    關鍵詞: DISCRETE COSINE TRANSFORM
    日期: 1991
    上傳時間: 2010-06-29 20:17:37 (UTC+8)
    出版者: 中央大學
    摘要: Two techniques for both zooming and smoothing digital Chinese character patterns are presented. In this paper, zooming by Discrete Cosine Transform (DCT) technique is proposed for achieving binary and grey-level digital character patterns in different resolutions. Where the grey-level character patterns are shrunk in a lower resolution of 12 * 12 pixels this can be achieved in a monitor display more clearly than those shrunk by traditional zooming techniques; while zig-zag phenomena appeared equally in the character patterns, expanded by both zooming techniques. Then, a smoothing technique using morphological operations is proposed to smooth the zig-zag patterns expanded by traditional zooming techniques. Therefore, zig-zag phenomena can be substantially alleviated, and high quality character patterns can be produced.
    關聯: IMAGE AND VISION COMPUTING
    顯示於類別:[資訊工程研究所] 期刊論文

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