Robust image authentication scheme with self-repair capability for greyscale source document images via PNG format.
Feng WangWan-Li LyuJeng-Shyang PanPublished in: IET Image Process. (2016)
Keyphrases
- document images
- scanned documents
- authentication scheme
- scanned document images
- image binarization
- image analysis
- input image
- image features
- image authentication
- image content
- tampering detection
- line extraction
- printed documents
- text lines
- multiscale
- document image analysis
- optical character recognition
- image collections
- document analysis
- secret key
- scanned images
- high resolution
- handwritten documents
- public key
- feature representation
- partial occlusion
- smart card
- hough transform