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Wavelet Image Denoising Based on the Smoothness Threshold Function 基于平滑阈值函数的小波图像去噪
wavelet image denoising 小波图像降噪
Wavelet analysis has a certain effect on digital image denoising as a better method of transform domain. 小波分析是处理数字图像的一种很好的变换域方法，对去除数字图像噪声也有一定的效果。
A methods using stationary wavelet transform with inter-scale and intra-scale dependencies for infrared image denoising is proposed. 摘要提出了一种基于尺度间和尺度内相关性的平稳小波变换红外图像去噪方法。
The image denoising techniques based on fractional B-spline wavelet are studied and compared with classical wavelet denosing techniques from MSE and PSNR. 本文研究了分数B样条小波用于图像去噪的算法，通过均方差、峰值信噪比等性能指标，分析了分数B样条小波图像重构质量和去噪性能。
In view of different properties of signal and noise in wavelet transformation, an image denoising method based on multiscale correlation in wavelet domain is given in this paper. 摘要本文根据信号与噪声在小波变换下表现出的不同的传播性质，提出了一种基于空域相关的图像去噪方法。
In this paper, a new method of image denoising is presented ,which is built upon the ideas of Embedded Zerotree Wavelet (EZW) encoder and separate character of signals and noises. 该文在自适应树小波萎缩法的基础上，结合小波系数的零树编码思想和小波变换的信噪分离特性给出了一种新的小波消噪算法。
A novel palmprint image denoising algorithm based on wavelet transform is proposed in this paper, and validity of the algorithm is verified by experiment. 本文提出了一种新的基于小波变换的掌纹图像去噪算法，并通过实验验证了此算法对掌纹图像去噪的有效性。
MATLAB right one image with different wavelet decomposition, high-low-frequency observations for some remodeling, more reconstruction error and then de-noising, compared before and after image denoising. 详细说明:用MATLAB对一图象分别用不同小波分解,观察高低频部分进行重构,比较重构误差,再进行阈值消噪,比较消噪前后图象。
This method is not only less than Tree-Adapted Wavelet Shrinkage (TAWS) method in operation amounts but also excellent in image denoising results and reservation of singularity information. 该算法不仅减少了运算量，而且在消噪和保留奇异点信息方面也取得了较好的效果。
In this paper,a new image denoising algorithm via doubly local Wiener filtering with windows based on Stationary Wavelet Transform（SWT） with the Dual Tree Complex Wavelet Transform（DTCWT） is proposed. 摘要提出了一种基于静态小波变换和对偶树复小波变换的加窗的双重局部维纳滤波图像去噪算法。
In this paper, we proposed a method of wavelet image enhancement based on modulus square processing to achieve a better visual effect. 为了更好地保证图像的整体增强效果，该文提出一种基于模平方处理的小波图像增强方法。
A new anisotropic diffusion based image denoising method is proposed in this work. 摘要讨论了一种基于非线性扩散方程的图像去噪方法。
It is the natural analogue of total variation based on ROF model for image denoising in geometry processing. 该模型是应用于图像去噪的ROF模型在几何形状处理中的自然拓展。
The wavelet image coding achieves higher image quality and higher compression ratio than the traditional DCT transform coding. 小波变换图像编码获得了比传统 DCT变换编码更好的图像质量和更高的压缩比。
Image denoising and deblurring were two of the most important tasks for image pro-cessing. 图像去噪和去模糊是图像处理中两个最基本的问题。
Secondly,Maximum A Posteriori(MAP)estimator based on intrascale statistical model is used to restore the noisy wavelet image coefficients. 然后在小波域同层模型中运用最大后验概率估计方法,从有意义系数中恢复出原始系数。
The paper presents an image denoising method based on Support Vector Clustering（SVC） aiming at salt and pepper noise. 摘要提出一种针对椒盐噪声的SVC多窗口图像去噪方法。
Zheng Y, Zhou Z H, Zhu W L.A compression algorithm of wavelet image with fast zerotree encoding [J].Journal of UEST of China, 2001, 30 (4): 331-334. [2]郑勇;周正华;朱维乐.;一种快速零树编码的小波图像压缩算法[J]
Finally, a quadtree-based wavelet image coding method is proposed, which can adapt the property of wavelet image coefficient. 最后，根据小波图像系数特性，采用基于四叉树分裂的小波图像编码方法对三维时/空子带进行编码，以获得更高的压缩效率。