这个功能实现了模糊图像梯度点的局部变化的部分不变性，如仿射或三维投影。
The features achieve partial invariance to local variations, such as affine or 3D projections, by blurring image gradient locations.
这个功能实现了模糊图像梯度点的局部变化的部分不变性，如仿射或三维投影。
The features achieve partial invariance to local variations, such as affine or 3D projections, by blurring image gradient locations.
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