A DWT-DCT based digital watermarking technique

Autor: Melih Pazarci, M. Yucel, Serkan Emek
Rok vydání: 2004
Předmět:
Zdroj: Proceedings of the IEEE 12th Signal Processing and Communications Applications Conference, 2004..
DOI: 10.1109/siu.2004.1338250
Popis: Many watermark algorithms exist for the the frequency domain using the DCT or the DWT. In this paper, we propose a new watermark algorithm using the DWT for harmony with the human visual system, and the DCT for robustness against signal processing attacks.
Databáze: OpenAIRE