Image based document authentication using DCT.
Gaurav GargPramod Kumar SharmaSantanu ChaudhuryPublished in: Pattern Recognit. Lett. (2001)
Keyphrases
- information retrieval systems
- image compression
- discrete cosine transform
- document collections
- document images
- retrieval systems
- document retrieval
- document classification
- relevant documents
- spatial domain
- user authentication
- authentication protocol
- information retrieval
- web documents
- text documents
- biometric authentication
- vector space model
- transform domain
- document clustering
- dct domain
- security mechanisms
- document analysis
- image authentication