nikoli2023 / darknet.yolov3

C# Darknet YoloV3 GPU Object-Detection

Code in (4 steps) YOLOv3 in C#, Custom dataset, 30+ fps, faster & stable than python | 2020 AI Tech

https://www.youtube.com/watch?v=zQW1BMKHWoE&ab_channel=CoolooAI

1, Download all the files

2, Unzip the files by WinRAR via "Extract Here",

1. /Darknet.YoloV3/cudnn64_7.zip
2. /voc_custom/backup/yolov3_custom_63000.zip

3. Change the path in GlobalSatics.cs

4. Start and enjoy it

PS:

1. I changed the `Alturos.Yolo.dll` and `yolo_cpp_dll_gpu.dll` to fix the issus, 
    so DO **NOT** use the default DLLs by nuget(You can use the nuget install the Alturos.YOLO package，
    and replace the dlls with mine).

2. The `packages` files is modified by me.

3. The `example` images are for testing.

4. The `voc_custom` files are my custom training model.

Issues Fixed

Error 1. System.DllNotFoundException - `Microsoft Visual C++ 2015-2019 Redistributable (x64)

```
in `.\src\Alturos.Yolo\DefaultYoloSystemValidator.cs`, line: 51
add more vc++ versions check, and recompile

var checkKeys = new Dictionary ...
{
    ...
    { @"Installer\Dependencies\VC,redist.x64,amd64,14.27,bundle", "Microsoft Visual C++ 2015-2019 Redistributable (x64)" },
    { @"Installer\Dependencies\VC,redist.x64,amd64,14.28,bundle", "Microsoft Visual C++ 2015-2019 Redistributable (x64)" },
    { @"Installer\Dependencies\VC,redist.x64,amd64,14.29,bundle", "Microsoft Visual C++ 2015-2019 Redistributable (x64)" }
};
```

Error 2. System.DllNotFoundException - Unable to load DLL 'yolo_cpp_dll_gpu.dll': The specified module could not be found.

prepare the Yolo_cpp_dll.dll(GPU mode), you can follow the tutorial in my channel here
https://youtu.be/zT8eDXpslXw

1. complied the dll Yolo_cpp_dll.dll
2. prepare to replace it to the original yolo_cpp_dll_gpu.dll, KEEP with the original name yolo_cpp_dll_gpu.dll

Error 3. YOLO.Detect(File.ReadAllBytes(imagPath)); //System.NotImplementedException: 'C++ dll compiled incorrectly'

solution is here: https://bit.ly/33jVMLb