A great number of advances have been made both in theories and techniques. As an important part of this thesis, we present several noise models (Flat noise, Gaussian noise, Poisson noise) and introduce several denoising methods with corresponding algorithms.
本文区分和描述了噪声的几种模型(白噪声、高斯噪声、泊松噪声),去噪方法及其相应算法和实验分析。
参考来源 - 小波在图像处理中的模型应用·2,447,543篇论文数据，部分数据来源于NoteExpress
这样就从理论上保证了对应于高斯白噪声的阈值去噪方法同样适用于脉冲噪声和泊松噪声。
It theoretically ensures that denoising method for Gaussian noise can also be used for Pulse noise and Possion noise.
本文以CCD图象为技术背景，指出CCD图象噪声主要将以与信号有关的泊松噪声形式存在。
In this paper it is pointed out that the noise in a CCD image will be mainly the Poisson noise, which is the signal-dependent noise, with the technological background of CCD images.
讨讼色泊松噪声驱动系统，利用统一色噪声近似方法，得到系统几率密度主方程，定态几率分布函数及其极值方程。
By using the unified colored noise approximation method, the master equation for probability density, the steady state probability distribution function and its extrema equation are derived.
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