回放过滤器：编码器试图优化回放过滤器的参数，以达到最大的峰值信噪比。

Loop filter: the encoder attempts to optimize the loop filter parameters for maximum PSNR.

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实验结果表明，算法复原出的人脸图像更接近于真实图像，具有更高的峰值信噪比。

The experimental results demonstrate that the results of the proposed method are closer to the real images, with a higher peak signal to noise ratio.

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实验结果表明：该算法有较好的重构图像主观质量和较高的峰值信噪比（PSNR）。

The experiment results show the image compression scheme can improve the recovery image quality and peak signal-to-noise ratio(PSNR).

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