Video Picture In Picture Detection

This article delves into the difficulties of detecting picture-in-picture (PiP) videos, a common technique used in generating fake content. It highlights a Chinese patent related to PiP detection and an international research paper that explores this topic.

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视频画中画是流行的伪原创方法 但是检测很难 同时加大了二次利用的难度（或许可以再加一层画中画？？）

目前找到了一个国内画中画检测专利，以及国外画中画检测论文