Synamedia Limited

Yair Aronshtam

Anatoly Seldin

Max Sorkin

Lev Reitblat

Anti-collusion techniques that use multiple watermark images are described herein. In accordance with various embodiments, a client device includes a processor and a non-transitory memory. The client device obtains a watermark image representing a watermark identifier. The client device further generates multiple variants of the watermark image representing the watermark identifier, where the multiple variants differ in parameters. The client device also selects a first variant from the multiple variants to bind with a media content item at a first time. The client device additionally binds the first variant with the media content item for rendering.

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Efrat, Israel

Yair Aronshtam