It made use of the 3-dimensional characteristics of video space, and built the structure signature from the energy relationship between block of I frames, GOP and frame structural information.
它从视频空间的三维特性出发，利用I帧分块能量关系、GOP结构信息、帧结构信息等构造特征码。
It made use of the 3-dimensional characteristics of video space, and built the structure signature from the energy relationship between block of I frames, GOP and frame structural information.
它从视频空间的三维特性出发，利用I帧分块能量关系、GOP结构信息、帧结构信息等构造特征码。
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