数字图书馆视频资源的拷贝检测方案

针对数字图书馆资源中出现的越来越多视频的非法拷贝问题，提出一种基于多维标度的数字视频拷贝检测方法，把视频各帧映射到二维平面上，然后把相邻视频帧在二维平面上映射点之间的欧式距离构成的序列作为视频的特征序列，利用特征序列来检测网络中存在的视频是否为非法拷贝视频。实验证明该方法能够较好地抵抗不改变内容的几何变换以及随机噪声和压缩的的攻击，具有较强的鲁棒性。

A Video Copy Detection Scheme in Digital Library

As more and more illegal video copies are distributed on the internet, a digital video copy detection scheme based on MDS (multi dimensional scaling) is proposed.First, the authors map the frames to points in the two dimensional space using MDS, then compute the distance between two adjacent points and take it as an element of the feature vector, which is used to detect illegal video copies. Experimental results show that the scheme is robust to random noise, compression and geometric transformation which don’t change the content of video.