Multi-font Rotated Character Recognition using Periodicity

Material type: 文書・図像類

Author: HASE, Hiroyukiほか

Publisher: IEEE

Publication date: 2008-09

Material Format: Digital

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Note (General)：: This paper presents on accuracy improvement of multi-font rotated character recognition. Until now, a recognition method for rotated characters was ba...

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Material Type: 文書・図像類
Title: Multi-font Rotated Character Recognition using Periodicity
Author/Editor: HASE, Hiroyuki
TANABE, Kohei
Tran, Thi Hong Ha
TOKAI, Shogo
Author Heading: HASE, Hiroyuki
TANABE, Kohei
Tran, Thi Hong Ha
TOKAI, Shogo
Publication, Distribution, etc.: IEEE
Publication Date: 2008-09
Publication Date (W3CDTF): 2008-09
Periodical title: The Eighth IAPR Workshop on Document Analysis Systems
Pages: 253-260
Text Language Code: eng
Target Audience: 一般
Note (General): This paper presents on accuracy improvement of multi-font rotated character recognition. Until now, a recognition method for rotated characters was based on distance criterion on the eigen sub-space. That is, an unknown pattern is projected onto the eigensubspace of each category. The category which shows the closest distance between the projected point and the category locus is chosen. However, this simple method could not be cope with multi-font characters. Therefore, some unknown patterns were created by rotating the input pattern and projected onto the eigensubspace of each category. By that method, a good performance was achieved for small size of categories like alphabetic 26 capital letters. However, the performance fell down by increasing the number of categories like 62 alpha-numeric letters. By considering the cause of the misclassification, we found that the distance criterion accidentally caused misclassification. This paper proposes a new feature based on periodic property of projected points on the eigen space. The experimental results showed a considerably high recognition rate.
Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=22403&item_no=1&attribute_id=22&file_no=1
https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=22403&item_no=1&attribute_id=22&file_no=1
Access Restrictions: 限定公開
Rights (production): IEEE
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ