Chotikakamthorn, 1998
| Publication | Publication Date | Title |
|---|---|---|
| Alattar et al. | Watermarking electronic text documents containing justified paragraphs and irregular line spacing | |
| Brassil et al. | Hiding information in document images | |
| US8320611B2 (en) | Watermarking electronic text documents | |
| Amano et al. | A feature calibration method for watermarking of document images | |
| Chotikakamthorn | Electronic document data hiding technique using inter-character space | |
| US20210165860A1 (en) | Watermark embedding and extracting method for protecting documents | |
| Brassil et al. | Electronic marking and identification techniques to discourage document copying | |
| US8107129B2 (en) | Methods and apparatus for embedding and detecting digital watermarks in a text document | |
| US5765176A (en) | Performing document image management tasks using an iconic image having embedded encoded information | |
| CN107248134B (en) | Information hiding method and device in a text document | |
| EP1953752B1 (en) | Embedding and detecting hidden information | |
| EP0660275A2 (en) | Document copying deterrent method | |
| JP3964684B2 (en) | Digital watermark embedding device, digital watermark detection device, digital watermark embedding method, and digital watermark detection method | |
| Brassil et al. | Watermarking document images with bounding box expansion | |
| Chetan et al. | An efficient and secure robust watermarking scheme for document images using integer wavelets and block coding of binary watermarks | |
| JP5669957B2 (en) | Watermark image segmentation method and apparatus for Western language watermark processing | |
| JP2005520426A (en) | Digital watermarking of binary documents using gradation representation | |
| Tan et al. | Print-Scan Resilient Text Image Watermarking Based on Stroke Direction Modulation for Chinese Document Authentication. | |
| Chen et al. | Recent developments in document image watermarking and data hiding | |
| Chotikakamthorn | Document image data hiding technique using character spacing width sequence coding | |
| Stojanov et al. | A new property coding in text steganography of Microsoft Word documents | |
| Gutub et al. | Utilizing diacritic marks for Arabic text steganography | |
| Brassil et al. | Marking text features of document images to deter illicit dissemination | |
| CN112990178B (en) | Text digital information embedding and extracting method and system based on character segmentation | |
| CN112966679B (en) | Information tracing method and system based on character minimum connected domain offset |