| 基于小波的图像去斑点噪声方法的研究 |
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| 引用本文： | 化莉. 基于小波的图像去斑点噪声方法的研究[J]. 哈尔滨师范大学自然科学学报, 2010, 26(3): 37-40 |
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| 作者姓名： | 化莉 |
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| 作者单位： | 淮阴工学院 |
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| 摘 要： | 根据超声图像斑点噪声统计模型的特性,通过对超声图像进行连续小波变换、分形插值小波变换等变换方法以及小波分析的软阈值滤波方法,提出了结合小波软阈值与中值滤波去噪的方法,在不同尺度对信号小波系数进行处理,达到降噪目的.
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| 关 键 词： | 小波变换 斑点去噪 超声图像 |
Research on the Method of Speckle Noise Based on Wavelet Image |
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| Hua Li. Research on the Method of Speckle Noise Based on Wavelet Image[J]. Natural Science Journal of Harbin Normal University, 2010, 26(3): 37-40 |
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| Authors: | Hua Li |
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| Affiliation: | Hua Li(Huaiyin Enginearing College) |
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| Abstract: | According to the characteristics of statistical models of ultrasound image speckle noise,a speckle noise method of combining of wavelet soft threshold and medium filter by continuous wavelet transform,fractal imterpolation wavelet transform and soft threshold filter,which purpose is to reduce noise by cheating wavelet coefficients at different scales. |
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| Keywords: | Wavelet transform Speckle noise Ultrasound image |
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