抑制数字图象中乘性噪声的方法
THE METHODS FOR REDUCING THE MULTIPLYING NOISE IN THE DIGITAL IMAGES
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摘要: 本文通过研究数字图象中乘性噪声的特点,提出了以加权相加为主的一些抑制方法。文中用典型的乘性噪声模型对理论进行了详细分析,并采用真实的数据进行了实验验证。结果表明:这些方法在处理图象噪声方面,比传统的办法更优越。Abstract: Some new methods for reducing the multiplying noise in the digital images, which are mainly the one of weighting and adding methods, are proposed, after that the characteristics of the noise is studied. The theory is analysed with the common model of multiplying noise and proved by the experiments with real data. It is clear that these methods have more ad-Tantages than traditional ones in processing digital images.
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J. W. Goodman, J. Opt. Soc. Am, 66(1976) 11, 1305-1311.[2]Jong-sen Lee, IEEE Trans. on SMC, SMC-13 (1983)1,85-88.[3]A. V.奥本海姆, 数字信号处理, 科学出版社, 北京, 1980年, 第十一章.[4]M. Langeman, SAR-Image Speckle Suppression and Data Compression Algorithms, ESA Final[5]report, NLR TR 85085, (1984), pp. 15-18.[6]中山大学,概率论及数理统计,人民教育出版社,北京,1980年,pp139-145. -
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