The DCT based error concealment algorithm can be used for image reconstruction on client and concealment error caused by storage system or transmission channel.
基于DCT的错误隐藏算法可用于客户端近似重建图象，隐藏存储系统或传输信道带来的错误。
Experimental results show that both the visual quality and PSNR of the image processed using the proposed error concealment method are better than other temporal algorithms.
大量的模拟实验结果表明，利用该算法隐藏的图像在视觉效果和峰值信噪比(PSNR)两方面均优于同类算法。
Compared with other error concealment algorithm with comparable computation complexity, this algorithm has a better recovered image quality, both in subjective and objective criterion.
与运算复杂度相当的同类算法相比，该算法的修复图像质量无论在客观评价准则和主观评价准则上都有一定的提高。
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