提出并构建了八方向平滑和增强滤波器。
The eight-direction smoothing and enhancing filter are also proposed.
方向平滑滤波器兼有去噪和边缘保持的双重特性,在数字图像预处理中被经常采用。
Directional smoothing filter is frequently used in digital image processing for it has the double properties of noise filtering and edge preserving.
另一方面将各向异性扩散方程引入方向平滑约束,以改善包括运动不连续处的流速计算精度。
On the other hand, the anisotropic diffusion equation was introduced in the oriented smoothness constraint so that the computation of flow velocity in the motion discontinuity can be improved.
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