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问1:什么是I、P和B帧?答:I图像(I帧)是靠尽可能去除图像空间冗余信息来压缩传输数据量的帧内编码图像。P图像(P帧)是通过充分降低与图像序列中前面已编码帧的时间冗余信息来压缩传输数据量的编码图像。B图像(B帧)是既考虑与源图像序列前面已编码帧也顾及源图像序列
Question 1: What are I, P and B frames? A: I-pictures (I-frames) are intra-coded pictures that compress the amount of transmitted data by removing as much space as possible. A P picture (P frame) is a coded picture in which the amount of transmission data is compressed by sufficiently reducing temporal redundancy information from previous coded frames in the picture sequence. The B picture (B frame) is a picture that takes into account both the encoded frame in front of the source picture sequence and the source picture sequence