JP2003298832A - 情報秘匿化方法及び情報抽出方法 - Google Patents

情報秘匿化方法及び情報抽出方法

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Publication number
JP2003298832A
JP2003298832A JP2002097194A JP2002097194A JP2003298832A JP 2003298832 A JP2003298832 A JP 2003298832A JP 2002097194 A JP2002097194 A JP 2002097194A JP 2002097194 A JP2002097194 A JP 2002097194A JP 2003298832 A JP2003298832 A JP 2003298832A
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JP
Japan
Prior art keywords
information
document
embedded
concealed
processed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002097194A
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English (en)
Japanese (ja)
Other versions
JP2003298832A5 (https=
Inventor
Hiroya Kusano
拡也 草野
Shinji Miura
信治 三浦
Michiro Maeda
三千郎 前田
Kenichi Shozuka
研一 昇塚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Social Information Services Ltd
Original Assignee
Hitachi Government and Public Sector System Engineering Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Government and Public Sector System Engineering Ltd filed Critical Hitachi Government and Public Sector System Engineering Ltd
Priority to JP2002097194A priority Critical patent/JP2003298832A/ja
Publication of JP2003298832A publication Critical patent/JP2003298832A/ja
Publication of JP2003298832A5 publication Critical patent/JP2003298832A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
JP2002097194A 2002-03-29 2002-03-29 情報秘匿化方法及び情報抽出方法 Pending JP2003298832A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002097194A JP2003298832A (ja) 2002-03-29 2002-03-29 情報秘匿化方法及び情報抽出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002097194A JP2003298832A (ja) 2002-03-29 2002-03-29 情報秘匿化方法及び情報抽出方法

Publications (2)

Publication Number Publication Date
JP2003298832A true JP2003298832A (ja) 2003-10-17
JP2003298832A5 JP2003298832A5 (https=) 2005-09-15

Family

ID=29387637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002097194A Pending JP2003298832A (ja) 2002-03-29 2002-03-29 情報秘匿化方法及び情報抽出方法

Country Status (1)

Country Link
JP (1) JP2003298832A (https=)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005229382A (ja) * 2004-02-13 2005-08-25 Syst Kogaku Kk 暗号装置
JP2007281729A (ja) * 2006-04-04 2007-10-25 Sun Corp 情報端末装置、および文字データ表示方法
JP2008048143A (ja) * 2006-08-15 2008-02-28 Fuji Xerox Co Ltd 画像処理システム及び画像処理方法
JP2008118234A (ja) * 2006-11-01 2008-05-22 Fuji Xerox Co Ltd 画像処理装置およびプログラム
CN108632138A (zh) * 2018-03-29 2018-10-09 东华大学 一种基于图像隐写术的日常网络安全通信方法
CN111526123A (zh) * 2017-10-24 2020-08-11 大国创新智能科技(东莞)有限公司 基于大数据的信息隐写方法、提取方法及系统、设备及介质
KR20210001126A (ko) * 2019-06-27 2021-01-06 경일대학교산학협력단 문서 파일에 포함된 멀티미디어 콘텐츠를 이용한 데이터 은닉 장치 및 이를 위한 방법

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005229382A (ja) * 2004-02-13 2005-08-25 Syst Kogaku Kk 暗号装置
JP2007281729A (ja) * 2006-04-04 2007-10-25 Sun Corp 情報端末装置、および文字データ表示方法
JP2008048143A (ja) * 2006-08-15 2008-02-28 Fuji Xerox Co Ltd 画像処理システム及び画像処理方法
JP2008118234A (ja) * 2006-11-01 2008-05-22 Fuji Xerox Co Ltd 画像処理装置およびプログラム
CN111526123A (zh) * 2017-10-24 2020-08-11 大国创新智能科技(东莞)有限公司 基于大数据的信息隐写方法、提取方法及系统、设备及介质
CN111526123B (zh) * 2017-10-24 2022-02-25 大国创新智能科技(东莞)有限公司 基于大数据的信息隐写方法、提取方法及系统、设备及介质
CN108632138A (zh) * 2018-03-29 2018-10-09 东华大学 一种基于图像隐写术的日常网络安全通信方法
KR20210001126A (ko) * 2019-06-27 2021-01-06 경일대학교산학협력단 문서 파일에 포함된 멀티미디어 콘텐츠를 이용한 데이터 은닉 장치 및 이를 위한 방법
KR102226706B1 (ko) 2019-06-27 2021-03-11 경일대학교산학협력단 문서 파일에 포함된 멀티미디어 콘텐츠를 이용한 데이터 은닉 장치 및 이를 위한 방법

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