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利用数字视频信号压缩域处理优化算法,可以精确地判断出所识别视频内容的起始帧和结束帧,并进行本地内容的实时自动无缝替换。该过程对保存完整的原有电视节目无任何影响,整个替换过程完整流畅,在接收终端不会出现由于视频压缩域运动补偿或者压缩码率不连续而造成的视觉缺陷,既保证了电视节目流畅完整的播出,也保证了节目内容能够被有效替换。
Using the digital video signal compression domain processing optimization algorithm, the start frame and the end frame of the identified video content can be precisely determined, and the local contents can be automatically and seamlessly replaced in real time. The process has no effect on the preservation of the original television program. The entire replacement process is complete and fluent, and the visual defects caused by the video compression domain motion compensation or the compression bit rate discontinuity will not appear on the receiving terminal, thus ensuring the smooth running of the television programs Complete broadcast, but also to ensure that the program content can be effectively replaced.