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摘要: 提出了一种改进的小波阈值处理的核磁共振成像(MRI)医学图像的去噪方法。结合图像的特点并利用小波系数的区域相关性,对小波阈值处理方法进行了改进,根据信号和噪声系数的不同分别处理,克服了传统小波变换不足。结果表明该方法在有效去除噪声的同时,较好保留了MRI图像的细节,有利于医学的诊断。