...图像增强；方向滤波；Gabor滤波；方向图； 图像分割 [gap=757]Key words: fingerprint image enhancement; direction filtering;Gabor filtering;direction image;image segmentation ..
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spatial direction filtering 空间方向滤波
Direction Median Filtering 方向中值滤波
Direction matching filtering 方向匹配滤波
Filtering direction 滤波方向
This paper presents a method that can remove streaking noise better by means of direction filtering based on two dimension Fourier transform.
利用二维傅里叶变换进行方向滤波，较好地消除了南极地区影像上的条带噪声。
This is, admittedly, a very crude filtering mechanism, and any real scene engine would likely have a range of variables that would affect the direction of a person through the scenario.
坦率地说，这是一种非常粗糙的过滤机制，真实的场景引擎可能会使用多个变量，这些变量会影响用户在场景中的走向。
Beam pattern null in the direction of jamming is formed by space filtering and assisted receive channels to suppress the jamming.
它采用空间滤波技术，通过辅助接收通道在干扰方向形成波束图的零点，实现对干扰信号的抑制。
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