JP2003152988A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2003152988A5 JP2003152988A5 JP2002226588A JP2002226588A JP2003152988A5 JP 2003152988 A5 JP2003152988 A5 JP 2003152988A5 JP 2002226588 A JP2002226588 A JP 2002226588A JP 2002226588 A JP2002226588 A JP 2002226588A JP 2003152988 A5 JP2003152988 A5 JP 2003152988A5
- Authority
- JP
- Japan
- Prior art keywords
- character
- image processing
- extracting
- watermark information
- processing apparatus
- 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.)
- Granted
Links
- 238000000605 extraction Methods 0.000 claims 12
- 239000012634 fragment Substances 0.000 claims 5
- 238000003672 processing method Methods 0.000 claims 5
- 239000000284 extract Substances 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 1
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002226588A JP3833154B2 (ja) | 2001-09-03 | 2002-08-02 | 画像処理装置、及び画像処理方法、並びにプログラム、記憶媒体 |
| CNB021419965A CN1226860C (zh) | 2001-09-03 | 2002-09-02 | 图像处理装置和图像处理方法 |
| KR10-2002-0052878A KR100485554B1 (ko) | 2001-09-03 | 2002-09-03 | 화상 처리 장치, 화상 처리 방법, 및 기록 매체 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001-266436 | 2001-09-03 | ||
| JP2001266436 | 2001-09-03 | ||
| JP2002226588A JP3833154B2 (ja) | 2001-09-03 | 2002-08-02 | 画像処理装置、及び画像処理方法、並びにプログラム、記憶媒体 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003152988A JP2003152988A (ja) | 2003-05-23 |
| JP2003152988A5 true JP2003152988A5 (enrdf_load_stackoverflow) | 2005-07-14 |
| JP3833154B2 JP3833154B2 (ja) | 2006-10-11 |
Family
ID=26621566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002226588A Expired - Fee Related JP3833154B2 (ja) | 2001-09-03 | 2002-08-02 | 画像処理装置、及び画像処理方法、並びにプログラム、記憶媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3833154B2 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7428076B2 (en) * | 2004-08-02 | 2008-09-23 | Seiko Epson Corporation | Smart copying for variable cost, editable printouts |
| JP5598120B2 (ja) | 2010-06-30 | 2014-10-01 | 株式会社リコー | 画像処理装置 |
-
2002
- 2002-08-02 JP JP2002226588A patent/JP3833154B2/ja not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8090146B2 (en) | Image watermarking | |
| CN1259709A (zh) | 在文档中嵌入信息的方法和系统 | |
| CN108182349B (zh) | 一种Word文档水印版权信息保护装置及方法 | |
| JP2004180277A5 (enrdf_load_stackoverflow) | ||
| JP6000992B2 (ja) | 文書ファイル生成装置及び文書ファイル生成方法 | |
| Myers et al. | Signal separation for nonlinear dynamical systems | |
| JP2008146608A5 (enrdf_load_stackoverflow) | ||
| CN107194390A (zh) | 一种识别pdf文档中水印的方法 | |
| JP2003152988A5 (enrdf_load_stackoverflow) | ||
| JP2004193755A5 (enrdf_load_stackoverflow) | ||
| CN104063832B (zh) | 一种水印嵌入和提取方法及装置 | |
| JP2003189085A5 (enrdf_load_stackoverflow) | ||
| CN115618809B (zh) | 基于二元字符频次的字符分组方法及安全字库构建方法 | |
| JP4298588B2 (ja) | 情報検出装置および情報検出方法 | |
| KR101496854B1 (ko) | 디지털 핑거프린팅 방법 | |
| Yuan et al. | A multiscale fragile watermark based on the Gaussian mixture model in the wavelet domain | |
| JP3833154B2 (ja) | 画像処理装置、及び画像処理方法、並びにプログラム、記憶媒体 | |
| Hatoum et al. | Blind PDF document watermarking robust against PCA and ICA attacks | |
| JP2003110842A (ja) | 画像処理装置及び方法及び記録媒体 | |
| JP3848150B2 (ja) | 画像処理装置及びその方法 | |
| Long et al. | A fragile watermarking scheme for tamper-proof of web pages | |
| Yu et al. | A new digital watermarking scheme based on text | |
| CN101334890A (zh) | 三维模型完整性保护方法 | |
| Chen et al. | Application of the digital watermarking technique in 2D barcode certificate anti-counterfeit systems | |
| CN120234788A (zh) | 一种基于暗水印的pdf研报追踪溯源方法及装置 |