SAMPLING FREQUENCY - the number of samples (e. g., pixels) per unit (e. g., inch).

采样频率—每单位(如英寸)的采样数(如像素)。

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An uniform sampling image can be transformed to a space variant sampling image by log-polar coordinate mapping which reduces the searching space and redundant pixels.

通过采用对数极坐标映射，可将空间均匀取样得到的图像变换成非均匀取样的图像，从而减小冗余像素，压缩了搜索空间。

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We took into account the importance of this aspect in the design of algorithms model, and increased the efficiency of algorithm using the average sampling pixels.

我们在设计算法模型时考虑了这方面的重要性，利用像素点的平均采样提高了算法的效率。

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