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Improvements for A VS Intra Mode Selection Based on SSIM and SAD
Author(s): 
Pages: 15-17,27
Year: Issue:  1
Journal: Video Engineering

Keyword:  AVS帧内模式选择结构相似度绝对误差和;
Abstract: 在AVS帧内预测模式的选择过程中,以绝对误差和(SAD)作为失真度量,通过相应的i_sad代价函数进行选择,但是这种方法被证明不能很好地符合人眼视觉(HVS).由于结构相似度(SSIM)算法相对简单,准确性好,优于传统的PSNR等方法,因此提出了将SSIM和SAD作为帧内预测模式选择的标准.实验表明,将SSIM和SAD用于AVS帧内预测模式选择,获得了比原AVS更好的重建图像质量和更高的编码压缩率.
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