Selective concealment of characters for privacy protection

Kohei Inai, Mårten Pålsson, Volkmar Frinken, Yaokai Feng, Seiichi Uchida

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

6 被引用数 (Scopus)

抄録

A method of concealing characters is proposed for degrading legibility of privacy sensitive textual information in natural scene, such as car license plate numbers and name tags. An important property of the proposed method is that it realizes selective concealing of characters, that is, the proposed method degrades legibility of character regions without degrading the quality of non-character regions. This selective concealment is realized because characters have special concealment characteristics. Specifically, character legibility can be degraded by damaging stroke structure by using exemplar-based image in painting, which does not affect non-character regions. Experimental results of qualitative and quantitative evaluations have proven that the selective concealment is practically possible. Furthermore, the quantitative evaluation through a subjective experiment revealed appropriate setups of image in painting for maximizing selective concealment performance.

本文言語英語
ホスト出版物のタイトルProceedings - International Conference on Pattern Recognition
出版社Institute of Electrical and Electronics Engineers Inc.
ページ333-338
ページ数6
ISBN(電子版)9781479952083
DOI
出版ステータス出版済み - 12月 4 2014
イベント22nd International Conference on Pattern Recognition, ICPR 2014 - Stockholm, スウェーデン
継続期間: 8月 24 20148月 28 2014

出版物シリーズ

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

その他

その他22nd International Conference on Pattern Recognition, ICPR 2014
国/地域スウェーデン
CityStockholm
Period8/24/148/28/14

!!!All Science Journal Classification (ASJC) codes

  • コンピュータ ビジョンおよびパターン認識

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