Authentication and Tamper Localization of scanned Bill and Seal based on Block Correlation.
Wenjia DingYi XieYulin WangPublished in: ITCC (2020)
Keyphrases
- tampering detection
- image authentication
- digital watermarking
- authentication scheme
- tamper detection
- jpeg images
- document images
- object localization
- localization algorithm
- correlation coefficient
- biometric authentication
- user authentication
- jpeg compression
- dct coefficients
- image quality
- public key
- optic disc
- mobile agent system
- frequency domain