Image based document authentication using DCT

Pattern Recognition Letters

Volumn 22, Issue 6-7, 2001, Pages 725-729

  Garg, Gaurav ^a   Sharma, Pramod Kumar ^a   Chaudhury, Santanu ^a  

^a INDIAN INSTITUTE OF TECHNOLOGY DELHI   (India)

Author keywords

Authentication; Discrete cosine transform application; Hashing; Photosignature

Indexed keywords

COSINE TRANSFORMS; DATA PRIVACY; DATABASE SYSTEMS; IMAGE ANALYSIS; IMAGE QUALITY; SECURITY OF DATA;

DISCRETE COSINE TRANSFORMS (DCT);

PATTERN MATCHING;

PATTERN RECOGNITION;

EID: 0035338404     PISSN: 01678655     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0167-8655(01)00007-1     Document Type: Article

References (11)

1. Protecting ownership rights through digital watermarking
2. Compression tolerant image authentication
3. Electronic marking and identification techniques to discourage document copying
4. Generation of the signature with the structed information of the image
5. A robust image authentication method surviving JPEG lossy compression
6. Secure identification documents via pattern recognition and public-key cryptography
7. Method and apparatus for credit card verification
8. A robust content based digital signature for image authentication
9. Algorithm 794: Fast discrete cosine transform