Secure discrete cosine transform based technique for recoverable tamper proofing

Optical Engineering

Volumn 40, Issue 9, 2001, Pages 1950-1958

  Hung, K L ^a   Chang, C C ^a   Chen, T S ^a  

^a NATIONAL CHUNG CHENG UNIVERSITY   (Taiwan)

Author keywords

Digital watermark; Discrete cosine transform; Image authentication; JPEG; Side match; Tamper proofing; Vector quantization

Indexed keywords

COSINE TRANSFORMS; CRYPTOGRAPHY; DIGITAL WATERMARKING; VECTOR QUANTIZATION;

DISCRETE COSINE TRANSFORMS (DCT); TAMPER PROOFING;

IMAGE ANALYSIS;

EID: 0035454036     PISSN: 00913286     EISSN: None     Source Type: Journal    
DOI: 10.1117/1.1391435     Document Type: Article

References (11)

1. Image authentication for a slippery new age
2. A watermark for digital images
3. A robust content based digital signature for image authentication
4. Digital watermarking for telltale tamper proofing and authentication
5. Hidden digital watermarks in images
6. Transparent robust image watermarking
7. An algorithms for vector quantizer design
8. Side-match vector quantization for reconstruction of lost blocks
9. New directions in cryptography
10. Secure communication over an insecure channel