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basicesrgan's Introduction

超分辨率任务

项目列表

  • ESRGAN_demo: ESRGAN的丐版实现,用于改进的一个基础模型

PI (perceptual index)感知指数

来自三篇论文

$$ \text{Perceptual index} = \tfrac{1}{2} ((10 - \text{Ma}) + \text{NIQE}). $$

Ma 来自论文http://xxx.itp.ac.cn/pdf/1612.05890v1

用于评估图像的感知质量

NIQE 来自论文https://ieeexplore.ieee.org/document/6353522/

https://blog.csdn.net/mazhitong1020/article/details/80415758

同样的评估图像感知质量的指标

RMSE评估图像失真度的指标

两个指标结合起来做图像质量感知的评估,在PI值相同时失真越小图像越好

具体参考https://blog.csdn.net/CHNguoshiwushuang/article/details/80556419

1563198208423

纵轴质量分 横轴失真度 成反比

分数评估代码和 PIRM Challenge竞赛一样(matlab)

https://github.com/KwanWaiPang/NIQECalculation

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