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頁籤選單縮合
題 名 | A Highly Reliable Character Recognition Mechanism=一種高可靠性文字辨識機制 |
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作 者 | 黃雅軒; | 書刊名 | 影像與識別 |
卷 期 | 4:5 1998.04[民87.04] |
頁 次 | 頁34-42 |
分類號 | 312.84 |
關鍵詞 | 文字辨識; Reliable recognition; OCR; Competitive learning; Rejection; |
語 文 | 英文(English) |
英文摘要 | This paper proposes a novel method which enables a character recognition system to obtain reliable recognition. In this method, wo thresholds, i.e. class region threshold R �R and dis-ambiguity threshold A �R are used by each character k when the classifier is designed based on the nearest neighbor urle, where R �R defines the pattern distribution region of character k, and A �R prevents the samples not belonging to character k from being ambiguosusly recognized to character k. A novel algorithm to derive appropriate thresholds A �R and R �R is developed so that a better recognition reliability can be obtained through interative learning. Experiments performed on the ITRI printed Chinese character database have achived highly reliable recognition performance (such as 0.999 reliability with a 95.14% recognition rate), which shows the feasibility and effectiveness of the proposed method. |
本系統中英文摘要資訊取自各篇刊載內容。