Detection of word shift steganography in PDF document.
Lingjun LiLiusheng HuangWei YangXinxin ZhaoZhenshan YuZhili ChenPublished in: SecureComm (2008)
Keyphrases
- keywords
- detection algorithm
- detection method
- document images
- information retrieval
- information retrieval systems
- related words
- pdf files
- pdf documents
- related documents
- word sense disambiguation
- word co occurrence
- word level
- text corpus
- word frequency
- document retrieval
- document image retrieval
- web documents
- object detection
- probabilistic model
- printed documents
- compound words
- word clouds
- document analysis
- term weighting
- document classification
- document clustering
- text documents
- retrieval systems
- n gram
- mixture model
- query expansion
- co occurrence