Decoding Methods of Error Correcting Code for the Reliable Digital Watermarking and their Performance Analysis
Decoding Methods of Error Correcting Code for the Reliable Digital Watermarking and their Performance Analysis
批准号:
19560382
负责人:
FUJIWARA Toru
金额:
$2.91万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2007
资助国家:
日本
项目状态:
已结题
起止时间:
2007 至 2008
中文摘要
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英文摘要
電子透かしの信頼性向上を目指した符号化・復号法として, 誤り訂正限界を超えた誤り訂正が行え, かつ復号誤りが少なくなるようにするため, 2重符号化を用い, OSD復号法をベースにした復号法を用いるのがよいとの見通しを得た. 電子透かし法は, パッチワーク法とし, 輝度値に埋め込む場合と周波数成分に埋め込む場合について性能評価し, よい復号特性を得られることを確認した. 特に, 周波数成分の場合は信頼度の高いビットに誤りが発生しにくいため, OSD復号法の特性がより生かされている
期刊论文(0)
专著(0)
科研奖励(0)
会议论文
誤り訂正符号の性能評価た
纠错码性能评估
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[岡野慎也, 乗松誠司, 岡野慎也, 岡野 慎也, 藤原融]
通讯作者:
藤原融
誤り訂正符号の性能評価
纠错码性能评估
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[岡野慎也, 乗松誠司, 岡野慎也, 岡野 慎也, 藤原融, 藤原 融]
通讯作者:
藤原 融
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依托单位:
海外基金