Title :
A Robust Watermarking Algorithm Based on Differential Energy and QIM for Uncompressed Video
Author :
Liu, Zhaoqing ; Li, Qiong ; Guan, Shuai ; Peng, Xiyuan
Author_Institution :
Harbin Inst. of Technol., Harbin, China
Abstract :
The Differential Energy Watermarking (DEW) algorithm has been demonstrated as an effective video watermarking algorithm. While in some scenarios, DEW algorithm cannot provide enough robustness and fidelity. In order to solve this problem, a watermarking algorithm for uncompressed video based on Quantization Index Modulation (QIM) and differential energy is proposed in this paper. The experimental results indicate that the proposed algorithm is more robust than original DEW and modified low-frequency DEW for lossy compression and transcoding, while maintaining high fidelity. Besides, the algorithm can be used in real-time applications for its low computation complexity.
Keywords :
computational complexity; modulation; quantisation (signal); video coding; video signal processing; watermarking; QIM; computation complexity; differential energy watermarking; quantization index modulation; transcoding; uncompressed video; video watermarking algorithm; Frequency; Partitioning algorithms; Quantization; Robustness; Signal processing algorithms; Transform coding; Video compression; Video signal processing; Videoconference; Watermarking; QIM; differential engery watermarking; video watermarking;
Conference_Titel :
Intelligent Information Hiding and Multimedia Signal Processing, 2009. IIH-MSP '09. Fifth International Conference on
Conference_Location :
Kyoto
Print_ISBN :
978-1-4244-4717-6
Electronic_ISBN :
978-0-7695-3762-7
DOI :
10.1109/IIH-MSP.2009.273