| 摘要 |
A coding mode selecting method, in which an SAD between input frames is used in a video encoding system, includes the steps of: detecting the SAD value of input frame data; determining whether the detected SAD value exceeds a predetermined SAD threshold; coding the input frame in an intra-coding mode when the SAD value of the input frame exceeds the SAD threshold; and coding the input frame in an inter-coding mode when the SAD value of the input frame does not exceed the SAD threshold.
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