模拟结果表明，此项缓存控制技术不仅能准确预测编码码率，而且能自适应视频的场景变化，使解码图像质量比较均匀。

Simulation result shows that the buffer control strategy can not only predict the video coder's output correctly, but also adapt the scene changes in video, get similar decoded image quality.

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该方法基于率失真曲线的精确理论模型，对小波分解后的不同子带提供最优的动态比特分配从而实现了小波系数的自适应量化编码，最后还实现了码率控制。

It provides optimal dynamic bit allocation for sub-bands of DWT and realizes adaptive quantization for wavelet coefficients. At last, it provides exact rate control for the coder.

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建立一种自适应编码比特数分配模型，引入重建图像质量控制机制，通过衡量重建图像的质量调节码率控制参数。

It used an adaptive bits allocation model and reconstructed the video quality control mechanism to adjust the rate-control parameters.

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