Adaptive Consistency Prior based Deep Network for Image Denoising

这是2021cvpr的一篇去噪的文章,讲的是利用神经网络来实现传统模型,把传统算法模型中的一些函数用神经网络代替。

一、模型架构

它提出了一个自适应一致性先验的去噪框架(Adaptive Consistency Prior,ACP),首先给出一致性先验模型:

Adaptive Consistency Prior based Deep Network for Image Denoising

为了方便讨论将上式改写为:

Adaptive Consistency Prior based Deep Network for Image Denoising

可以理解这是先将图像x先用线性相似性矩阵W进行滤波,然后拟合偏差(x-Wx)再被I一致约束。

然后他们进行了改进:

Adaptive Consistency Prior based Deep Network for Image Denoising

Adaptive Consistency Prior based Deep Network for Image Denoising

Adaptive Consistency Prior based Deep Network for Image Denoising

提出了本文的自适应一致性先验(ACP):

Adaptive Consistency Prior based Deep Network for Image Denoising

Adaptive Consistency Prior based Deep Network for Image Denoising

得到基于ACP的去噪算法:

Adaptive Consistency Prior based Deep Network for Image Denoising

然后他们给出一个定理,利用这个定理就可以将(6)简化求解:

Adaptive Consistency Prior based Deep Network for Image Denoising

到此为止都是一种传统的去噪算法。

Original: https://blog.csdn.net/weixin_44491551/article/details/124079879
Author: Bigwin01
Title: Adaptive Consistency Prior based Deep Network for Image Denoising

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