t******q 发帖数: 117 | 1 I frame and P frame are the baseline frame type in most of the video
compression scheme.
choose a I and P frame properly will improve the encoding speed, reduce the
bit rate, enhance the SNR.
To detect the significant secence change in the frames is the key
feature in I/P predication.
some just use a pattern like IppppIpppp................
that is not effiecent if the secene changes less, most of the headshoulder
serial is this case.
what feature is used as the key feature?
how much change of th |
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