| 数字图像处理中噪声源对量化精度影响的分析 |
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| 引用本文： | 曹凌.数字图像处理中噪声源对量化精度影响的分析[J].系统工程与电子技术,1996(11). |
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| 作者姓名： | 曹凌 |
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| 作者单位： | 西北大学 |
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| 摘 要： | 文章指出了在模－数图像信号转换中噪声源对数字图像信号量化精度的影响，并以不变量β即量化步长与噪声均方根的比值分析了量化后噪声的特性，从而说明在数字图像处理中，除应注意对图像信号恢复以外，还必须对噪声源引起的图像变质进行修改、校正、补偿，以减轻噪声对数字图像处理的干扰。
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| 关 键 词： | 噪声，数字图像，图像处理，＋￣量化精度。 |
An Analysis on the influence of the Noise Origin on the Quantification Precision of Digital Picture Treatment |
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| Cao Ling.An Analysis on the influence of the Noise Origin on the Quantification Precision of Digital Picture Treatment[J].System Engineering and Electronics,1996(11). |
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| Authors: | Cao Ling |
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| Abstract: | The influence of the noise origin on the quantification precision in the process of digital picture treatment is studied in the light of noise origin and by the ratio between the quantification step length and the root mean square of noise.It is necessary to revise and correct the picture to alleviate the noise interference during the process. |
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| Keywords: | Noise Quantification precision Process of digital picture |
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