[Objective] Proposed a new video watermarking algorithm to protect the copyright of online video resources from Libraries, Museums and Archives(LAM). [Context] The proposed algorithm can maintain the original visual quality of the videos, as well as meet the real-time demand of online copyright protection. [Methods] First, we defined the pixel values of 8-bit watermark image as index. Second, we embedded the index and actual watermark information to the images alternately, and then encrypted the watermark with Arnold transform technique. Finally, the watermark was embedded into video segments randomly selected by the keys with the help of quantization modulation. [Results] The proposed algorithm identified and verified the copyright message of the protected videos effectively, while the coefficient of NC was above 0.8, and the watermark could be extracted in about three seconds. [Conclusions] The new method could protect video copyrights, and promote the information sharing and service integration of LAM resources.
朱光,丰米宁. 基于量化调制水印的图博档视频资源版权保护策略研究*[J]. 现代图书情报技术, 2016, 32(10): 105-111.
Zhu Guang,Feng Mining. A New Video Watermarking Technology for Copyright Protection. New Technology of Library and Information Service, 2016, 32(10): 105-111.
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