Direct Fingerprinting on Multicasting Compressed Video

Zheng Liu, Xue Li, Zhao Yang Dong
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引用次数: 1

Abstract

A video fingerprint is a kind of digital watermark used in digital video for tracking pirate copies in a multi-user environment. Different users receive the same video with different watermarks designed for uniquely identifying designated users. As a value-added business service, fingerprinting is independent from video compression. In current fingerprinting schemes, a compressed video has to be decoded once for every user in order to add on individual fingerprints. Then the video is encoded again before the dispatch. However, the multiple decode/re-encode operations can result in poor system performance. In this paper, we propose a new integrated fingerprint algorithm, which can be applied directly to the compressed video without decoding/reencoding. Our experiments show that the performance of fingerprinting improved with no compromise to the robustness.
直接指纹在多播压缩视频
视频指纹是一种用于多用户环境下数字视频跟踪盗版的数字水印。不同的用户接收带有不同水印的相同视频,这些水印设计用于唯一识别指定用户。指纹识别是一种独立于视频压缩的增值业务。在目前的指纹识别方案中,压缩视频必须为每个用户解码一次,才能添加个人指纹。然后在调度前再次对视频进行编码。但是,多次解码/重新编码操作会导致系统性能下降。在本文中,我们提出了一种新的集成指纹算法,该算法可以直接应用于压缩后的视频,而无需解码/重新编码。实验表明,在不影响鲁棒性的前提下,指纹识别的性能得到了提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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