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RViDeNet论文+代码实践V0.4(问题集:环境血泪史)

  • 2026-02-05 00:48:25
RViDeNet论文+代码实践V0.4(问题集:环境血泪史)
按照本文操作跑不通代码,可以留言或者私信问我

00

前言

    AIISP课程算是系统的学习,目前课程中介绍AIISP的部分基本看完,剩余传统ISP和基础AI知识点介绍后续穿插着整理。论文+代码实践算是番外篇,基于具体的AIISP任务+理论+代码实践快速的上手AIISP,本人习惯用版本号的方式进行迭代,具体任务的论文+代码实践随着不断的学习,理解也会发生变化,查看最大的版本号即可,中间都是迭代的过程。

往期论文+代码实践:

AIISP_V0.4_20250628_ICELUT论文+代码实践V0.2

EMVD论文+代码实践V0.2 (AIISP V0.8)
无显卡干中学AI

01

论文

    下载RViDeNet pdf论文上传AI工具(强烈推荐使用豆包):
1、让豆包详细总结这篇文档内容;总结下论文;
2、阅读完1的基础上,让豆包翻译全文,中文过完再过一遍英文
一般完成上述两个操作就能明白论文具体解决什么问题?如何解决?
一、解决什么问题:
1、数据集构建:首个动态场景原始视频带噪-干净数据集(55组视频,ISO 1600-25600)
2、网络设计:提出RViDeNet,融合空间、通道、时间相关性处理原始视频
3、功能扩展:支持输出原始域降噪结果,还可通过ISP模块输出sRGB结果(支持自定义ISP)
二、如何解决的:
1、动态场景数据集构建:我称之为假动态场景,通过拍摄物体运动过程中的静止帧构建,实际还是物体静止、相机静止拍摄,按照我ISP的理解,数据集应该很难模拟真实运动场景噪声表现,尤其是运动区域和静止区域过渡区域,这个可以代码实践,基于效果来看。
2、介绍了主流的构建视频raw数据的方法包括代码,个人感觉比1的方法更好,只是直觉,以实验效果为准:
3、RViDeNet
(1)整体流程:输入连续 3 帧带噪原始视频→按拜耳模式打包为 RGBG 四子序列→预降噪→对齐非局部注意力时间融合空间融合(生成原始域结果)→ISP 模块(生成 sRGB 结果)。标红部分不是很明白,结合代码进行理解
(2)损失函数

02

代码实践

1,跑通代码,可以单步执行

2,单步执行跑一遍整个流程

3,对着论文反复执行2,把不明白的地方加打印或者中间结果图打出来

https://github.com/cao-cong/RViDeNet

https://gitee.com/dripping000/RViDeNet(包含我的修改+一组数据,可直接运行)

一、环境配置
1、租赁GPU
其他操作参考无显卡干中学AI
2、搭建github环境
# 查看PyTorch版本python3 -c "import torch; print('PyTorch:', torch.__version__)"# 查看PyTorch内置CUDA版本python3 -c "import torch; print('CUDA:', torch.version.cuda)"# 查看系统CUDA版本nvcc -V | grep release# 安装python依赖库pip install tensorflow-gpu==1.13.1 -i https://pypi.tuna.tsinghua.edu.cn/simplepython -c "import tensorflow as tf; print(tf.__version__); print(tf.test.is_gpu_available())"pip install torch==1.0.0 torchvision==0.2.1 -i https://pypi.tuna.tsinghua.edu.cn/simplepip install opencv-python -i https://pypi.tuna.tsinghua.edu.cn/simplepip install scipy -i https://pypi.tuna.tsinghua.edu.cn/simplepip install scikit-imagepip install rawpypip install ninjapip install tensorboardX
(1)tensorflow gpu环境问题(cudnn版本没有匹配),先使用cpu版本
二、数据
数据构建:(1)无噪声rgb转无噪声raw;(2)标定设备噪声模型;(3)在无噪声raw根据设备噪声模型添加噪声
(1)本地下载MOT17Det数据,无噪声rgb转无噪声rawhttps://motchallenge.net/data/MOT17Det/),参考无显卡干中学AI,按照代码路径上传AutoDL(开始跑通可以上传几张)
反gtm;反gamma;反ccm;反awb;反demosaic
(2)github代码没有标定设备噪声模型的代码,有在无噪声raw根据设备噪声模型添加噪声的代码,我就先反过来,先了解噪声模型怎么用,再结合论文搞清楚如何进行标定设备噪声模型
和论文的噪声模型公式对应的上,得出噪声模型不同iso下a,b两个参数a=σs2(散粒噪声方差),b=σr2(读取噪声,黑帧的方差,这个基于黑帧直接算即可),散粒噪声方差论文中的计算过程:
计算公式比较清晰,有一个地方没搞明白:
1、直线的斜率k即为估计的2σs2?:
ypσd2满足线性关系σd2=k*yp+b ,σd2是σs2的两倍;所以k=2σs2
三、训练
RViDeNet整体流程:输入连续 3 帧带噪原始视频→按拜耳模式打包为 RGBG 四子序列→预降噪→对齐非局部注意力时间融合空间融合(生成原始域结果)→ISP 模块(生成 sRGB 结果)
1、ISP模块:基于SID数据集训练
1.1、下载SID数据集,需要外网下载,如有需要私信标准SID数据集

https://storage.googleapis.com/isl-datasets/SID/Sony2025.zip

https://drive.google.com/file/d/1wfkWVkauAsGvXtDJWX0IFDuDl5ozz2PM/view?usp=sharing

1.2、convert_to_tiff.py和rename_gt_png.py脚本配置下SID数据集路径,生成训练需要的数据格式。脚本几十行代码,比较简单
1.3、开始训练:python train_isp.py --gpu_id 0  --num_epochs 770 --patch_size 512

03

问题集

1、截图红框代码报错:RuntimeError: cuDNN error: CUDNN_STATUS_EXECUTION_FAILED
(1)结合豆包分析定位过程梳理了一遍,不得不说当前AI确实牛逼,很清晰,确实提高效率,甚至替代部分工作。不过最终还是没能找到原因
  1. pytorch、cuda、驱动版本匹配:没问题
  2. 能否跑通简单模型例程:不能
(2)折腾了两个周末,重新创建环境的时候发现3080ti新架构不支持CUDA11以下版本,死马当活马医试了下2080ti,可以了。果然理清楚到极致总能解决问题,只是时间问题。后面跑老的github代码就用2080ti+Pytorch1.1.0+cuda10.0
精选文章:
AIISP
ISP仿真工具
ISP

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  1. CONNECT:[ UseTime:0.000576s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000929s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001451s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000314s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000618s ]
  6. SELECT * FROM `set` [ RunTime:0.000275s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000711s ]
  8. SELECT * FROM `article` WHERE `id` = 470751 LIMIT 1 [ RunTime:0.010979s ]
  9. UPDATE `article` SET `lasttime` = 1770472848 WHERE `id` = 470751 [ RunTime:0.002927s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.007940s ]
  11. SELECT * FROM `article` WHERE `id` < 470751 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.007199s ]
  12. SELECT * FROM `article` WHERE `id` > 470751 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.006040s ]
  13. SELECT * FROM `article` WHERE `id` < 470751 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.020024s ]
  14. SELECT * FROM `article` WHERE `id` < 470751 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.014819s ]
  15. SELECT * FROM `article` WHERE `id` < 470751 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.068961s ]
0.227870s