雾霾线求解透射率的二次优化方法

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雾霾线求解透射率的二次优化方法

更新时间：2025-07-09

- 雾霾线求解透射率的二次优化方法
- Issue 8, Pages: 130-138(2021)
- 作者机构：
  
  1. 长安大学电子与控制工程学院
  2. 西北工业大学无人机系统国家工程研究中心
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391.41
- Published：2021
- 稿件说明：
移动端阅览
[J]. 2021, (8): 130-138.
DOI：

[J]. 2021, (8): 130-138. DOI：

摘要

针对现有图像去雾算法采用局部先验理论求解的透射率精度不高、复原含雾图像能见度较低的问题

提出了一种雾霾线求解透射率的二次优化方法。首先通过雾霾线先验理论对透射率进行粗估计;然后结合粗估计与最小通道求解的透射率

代入新的可靠性函数进行计算

修正数值较低的像素

完成一次优化

保留边缘信息的同时减少噪点数量;最后

利用纹理区域相对总变分正则项的输出差异

使模型自适应滤除纹理信息

进一步提升透射率估计精度

完成二次优化

有效改善含雾图像能见度。实验结果表明

与目前主流去雾算法相比

所提方法提高了浓雾及景深突变区域的复原图像质量

在主观评价更加清晰的前提下

客观评价指标雾霾感知密度、平均梯度、信息熵和模糊系数分别平均提升了10%

10.16%

0.98%和22.93%。

Abstract

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references

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