| Paper: | WP-L4.5 |
| Session: | Security VI |
| Time: | Wednesday, September 19, 16:10 - 16:30 |
| Presentation: |
Lecture
|
| Title: |
RE-QUANTIZATION BASED SEMI-FRAGILE AUTHENTICATION FOR GENERAL UNIFORM QUANTIZER |
| Authors: |
Bo Shen; Hewlett Packard Laboratories | | |
| | Ton Kalker; Hewlett Packard Laboratories | | |
| Abstract: |
Semi-fragile authentication schemes are found to be useful to maintain authentication in the event of certain allowed manipulation of source content. This paper focuses on a quantization based algorithm, and extends it to more general uniform quantizers. Earlier work is found to be a special case of our generalized solution which provides more useful guideline when selecting quantizer for this type of authentication. Experimental results verified our analytical conclusion. |
