该算法利用随机置乱的方法将水印信息进行置乱，对选定的视频帧先进行DWT变换，然后对得到的逼近子图进行DCT变换，最终将置乱后的水印信息嵌入到直流分量-The algorithm uses the method of random scrambling the watermark information is scrambling to be first selected video frames DWT transform, and then the resulting approximatio