CDN Performance Evaluation with Edge-Embedded Watermarking
Proceedings of the 2nd Mile-High Video Conference(2023)
摘要
Piracy of copyrighted video content is an everlasting concern for copyrights holders, such as major studios who want to protect their latest movies/series or video distributors who want to safeguard their exclusive rights investments. To prevent piracy, the video technology providers have designed solutions based on the concept of watermarking, i.e. , the video frames contain marks, which can be reliably extracted by a watermark extractor, while remaining invisible for the human eye. Yet, distributing watermarked streams is hard to scale in practice: to prepare and deliver a unique watermarked stream to each user, the service providers should implement a specific system in their Content Delivery Network (CDN) [3].
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