CONCLUSION: It is better effect of exponential curve method on improving contrast of image of eye fundus.
结论：用幂函数曲线法来提高眼底图像对比度的效果是比较好的。
The paper introduces deburr algorithm before line trace in the course of vector quantization of binary map image, and it can receive better effect through applying for the algorithm.
介绍对二值地图图像矢量化过程中的线跟踪操作之前的去毛刺算法，应用此算法可以得到更好的线跟踪效果。
Numerical simulations demonstrate that the whole property and the boundary of image area show better vision effect with a test to synthetic image and real MR brain image.
用模拟图像和MR图像进行实验，区域的边界和整体属性具有较好的视觉效果。
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