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提出在数字乳腺Ｘ光片中检测可疑肿块的方法。首先，介绍了逻辑滤波器的基本概念，并提出了一种改进的逻辑滤波器。使用逻辑滤波器后，输出图象在灰度直方图上表现出显著的特征，这使得对可疑肿块的分段过程变得很容易。作者用２５张乳腺Ｘ光片作为测试用例，验证了这一方法的效果。文中还将这种方法与别的边缘检测、增强方法作了比较。
A method for detecting suspicious lumps in digital mammography is proposed. First, the basic concepts of logic filters are introduced, and an improved logic filter is proposed. With the use of a logic filter, the output image shows significant features on the grayscale histogram, making the segmentation of suspicious masses easy. The author used 25 mammograms as the test cases to verify the effectiveness of this method. The paper also compares this method with other edge detection and enhancement methods.