A non-parametric approach for the estimation of intensity-frequency dependent noise

机译：一种估计强度频率相关噪声的非参数方法

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摘要

We present a non-parametric method estimating an intensity and frequency dependent noise from a single image. The noise model is estimated on image patches and can be used consequently in all patch-based denoising methods. The method applies to cases where no access is granted to the image noise model, in particular to scanned photographs and JPEG images. The general noise model and the method to evaluate it are validated by comparing the estimations with the corresponding ground-truth curves for raw and JPEG images. Denoising experiments on scanned photographs also support the efficiency of the estimation method.

机译：我们提出了一种非参数方法，用于估计来自单个图像的强度和频率相关的噪声。噪声模型是在图像补丁上估计的，因此可以在所有基于补丁的降噪方法中使用。该方法适用于没有权限访问图像噪声模型的情况，尤其是扫描的照片和JPEG图像。通过将估计值与原始图像和JPEG图像的相应地面真实曲线进行比较，可以验证通用噪声模型及其评估方法。对扫描的照片进行降噪实验也支持估计方法的效率。

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《IEEE International Conference on Image Processing》|2014年|4261-4265|共5页
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Colom M.; Lebrun M.; Buades A.; Morel J.M.;
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image denoising; JPEG images; general noise model; ground-truth curves; image noise model; image patches; intensity-frequency dependent noise estimation; nonparametric approach; patch-based denoising methods; scanned photographs; Discrete cosine transforms; Estimation; Frequency estimation; Noise; Noise reduction; Transform coding; Blind noise estimation; frequency-dependent noise; non-parametric noise model; signal-dependent noise;

机译：图像降噪; JPEG图像;一般噪声模型;地真曲线;图像噪声模型;图像补丁;与强度-频率相关的噪声估计;非参数方法;基于补丁的去噪方法;扫描的照片;离散余弦变换;估计;频率估计;噪声;降噪;变换编码;盲噪声估计;频率相关噪声;非参数噪声模型;信号相关噪声;

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A non-parametric approach for the estimation of intensity-frequency dependent noise

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