考虑图像信息和自我相似性:一个组成的否定网络.
Jiahong Zhang1, Yonggui Zhu2, Wenshu Yu3
1The State Key Laboratory of Media Convergence and Communication, Communication University of China, Beijing 100024, China.
Sensors (Basel, Switzerland)
|July 14, 2023
概括
本研究介绍了一种构成性否定网络 (CDN),通过解决残留学习中的局限性来改善图像否定. CDN有效地利用图像信息和自我相似性,以实现图像中的优异降噪.
科学领域:
- 计算机视觉 计算机视觉
- 机器学习 机器学习
- 图像处理 图像处理
背景情况:
- 卷积神经网络 (CNN) 在图像消除中很普遍,通常通过残留学习来增强.
- 现有的研究主要优化CNN架构,忽视残留学习的局限性,例如忽视图像信息和自我相似性.
研究的目的:
- 解决图像消毒中的传统残留学习的局限性.
- 提出一种新的组合性无色化网络 (CDN),集成图像信息和自我相似性,以提高性能.
主要方法:
- 开发了一个组成的无噪网络 (CDN),有两个子路径:图像信息路径 (IIP) 和噪声估计路径 (NEP).
- 训练有素的IIP使用图像对图像的方法来提取图像信息.
- 采用基于相似性的NEP培训策略,以利用图像自我相似性来估计噪音分布.
主要成果:
- 拟议的CDN整合了图像信息和噪声分布估计,以进行全面的报销.
- 与现有的基于CNN的方法相比,CDN在合成和现实世界的杂图像上都表现出了卓越的性能.
- 在形象破坏任务中取得了最先进的结果.
结论:
- 构成性无声化网络 (CDN) 有效地克服了在图像无声化中的标准残留学习的局限性.
- CDN的双路径方法,利用图像信息和自我相似性,在降噪方面取得了重大进展.
- 这些发现表明CDN是一种强大的新方法,用于最先进的图像拒绝.
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