This paper discusses the general model of Non-uniform sampling image, and presents the sampling principle of discrete image.
该文讨论了采样图象的一般模型,提出了离散图象的采样准则,给出了一种迭代算法。
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。
The time interval of image sampling should be shortened to increase the measurement ranges for higher shearing distortion flows.
对于强剪切变形流动,可以通过设定较小的图像采样时间间隔以提高测量范围。
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