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Improvement of digital starting pattern detection and image evaluation of digital watermarked images
https://repo.qst.go.jp/records/68151
https://repo.qst.go.jp/records/6815131027369-7497-4b87-aa90-79776f284b46
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2005-08-17 | |||||
タイトル | ||||||
タイトル | Improvement of digital starting pattern detection and image evaluation of digital watermarked images | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
資源タイプ | conference object | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Mizuno, Yosuke
× Mizuno, Yosuke× Nishio, Masato× Kawashima, Hironao× Ando, Yutaka× Tsukamoto, Nobuhiro× 水野 洋輔× 安藤 裕× 塚本 信宏 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We developed the watermark method to identify the patient-ID and institution-ID. The image process-ing modified the watermark information and we recovered the watermark by the error correction meth-ods. We used the BIT-swapping method for embedding watermark. After image processing, the detec-tion ratio of the watermark was decreased. To correct the patient-ID and institution-ID, we used three type of methods, (1)Bose-Chandhuri-Hocquenghem code, (2)Majority correction method and (3)scramble location method. Once the detection ratio of watermark was decreased to 60%, we could recovery the watermark information. The peak signal to noise ratio was 39 dB at LSB-swapping. We think that these watermarking methods are suitable to the medical images. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 19th International Congress and Exhibition of Computer Assisted Radiology and Surgery (CARS2005) | |||||
発表年月日 | ||||||
日付 | 2005-06-25 | |||||
日付タイプ | Issued |