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我正在尝试从图像中提取指甲花纹身图案,并尝试应用中值滤波器(去斑)并使用高斯差检测纹身,但我得到的细节总是远低于通过查看图像可能出现的细节。如果我知道一个好的算法,我也可以尝试用 MathMap 解决这个问题。