rst不变性特征提取 invariable character extraction rst
提出一种新的基于仿射几何的仿射不变特征提取方法，适合于目标的识别和图像的匹配。
A new affine invariants based on affine geometry for object recognition and matching is proposed in the paper.
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.
提出一种以目标检测、目标分割、目标方位角估计和目标不变性特征提取为线索的SAR目标识别框架。
We propose a multistage SAR target recognition process based on target detection, target segmentation, target aspect estimation and invariant feature extraction.
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