在大多数视频压缩标准中，码率控制方法都是针对中高码率情况而设计的，而在较低码率情况下的工作情况都不够理想。
Most of the bit-rate control schemes in video-compression standards are designed for medium and high bit - rate conditions, while do not work well for low bit-rate.
经与H.263视频压缩标准对比，说明本文提出的算法在中高码率下性能优异，在低码率下也达到了H.263标准。
The results shows that the algorithm is merit under high rate, and reach the H. 263 under low rate.
经与H.263视频压缩标准对比，说明本文提出的算法在中高码率下性能优异，在低码率下也达到了H.263标准。
The results shows that the algorithm is merit under high rate, and reach the H. 263 under low rate.
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