The computational results show that the error of restored moment can be 50% for the model with a scale ratio of 0.1 when the similarity of environment pressure is not taken into consideration.

计算结果表明，对尺度比为0.1的模型，若不考虑环境压力的相似，恢复力矩的误差可接近50%。

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We choose collage error as local self-similarity evaluation of the image, because collage error visually represents the similarity between value range blocks and optimal matching blocks.

在图像分形编码结果的所有元素中，拼贴误差最直观地表现了值域块与其最优匹配块之间的相似程度，因而我们选用它来作为图像的局部自相似性的度量。

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