public async Task Init(YoloVersion version = YoloVersion.YoloV3, System.Net.DownloadProgressChangedEventHandler onDownloadProgressChanged = null)
{
if (_yoloDetector == null)
{
FileDownloadManager manager = new FileDownloadManager();
if (version == YoloVersion.YoloV3Spp)
{
manager.AddFile(
"https://pjreddie.com/media/files/yolov3-spp.weights",
_modelFolderName);
manager.AddFile(
"https://github.com/pjreddie/darknet/raw/master/cfg/yolov3-spp.cfg",
_modelFolderName);
}
else if (version == YoloVersion.YoloV3)
{
manager.AddFile(
"https://pjreddie.com/media/files/yolov3.weights",
_modelFolderName);
manager.AddFile(
"https://github.com/pjreddie/darknet/raw/master/cfg/yolov3.cfg",
_modelFolderName);
}
else if (version == YoloVersion.YoloV3Tiny)
{
manager.AddFile(
"https://pjreddie.com/media/files/yolov3-tiny.weights",
_modelFolderName);
manager.AddFile(
"https://github.com/pjreddie/darknet/raw/master/cfg/yolov3-tiny.cfg",
_modelFolderName);
}
manager.AddFile("https://github.com/pjreddie/darknet/raw/master/data/coco.names",
_modelFolderName);
if (onDownloadProgressChanged != null)
{
manager.OnDownloadProgressChanged += onDownloadProgressChanged;
}
await manager.Download();
_yoloDetector = DnnInvoke.ReadNetFromDarknet(manager.Files[1].LocalFile, manager.Files[0].LocalFile);
_labels = File.ReadAllLines(manager.Files[2].LocalFile);
}
}
