通过将对数极坐标和傅立叶变换结合，完成旋转不变的傅立叶纹理特征提取。
In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.
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。
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.
给出了对数极坐标变换的FPGA实现方案。
The FPGA implementation scheme of LPT is also discussed in the paper.
给出了对数极坐标变换的FPGA实现方案。
The FPGA implementation scheme of LPT is also discussed in the paper.
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