This paper approves a novel contour extraction algorithm of special region to resolve the problems in multi - mode medical image registration.
提出了一种用于多模态医学图像处理的特定区域轮廓提取算法。
Properly shifting the filter on the frequency region can improve the contrast and the contour acuity of the output image. It is profitable for edge detection.
阶跃滤波器在频域的适当的位移(偏置)即可以改善输出图像的衬底，也能改善其轮廓视锐度，从而有利于图像边缘的检测。
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