public void Init(Mat img, int corners = 500)
{
if (!IsInitialize)
{
Cv2.PyrDown(img, prev_img);
prev_rect = NMS(hog.Detect(prev_img));
DetectedRect = new Rect(prev_rect.X - (prev_rect.Width / 2), prev_rect.Y - (prev_rect.Height / 2), prev_rect.Width, prev_rect.Height);
var mask = new Mat(prev_img.Size(), MatType.CV_8UC1);
for (int y = DetectedRect.Y; y < DetectedRect.Y + DetectedRect.Height; y++)
{
for (int x = DetectedRect.X; x < DetectedRect.X + DetectedRect.Width; x++)
{
mask.Set <byte>(y, x, 1);
}
}
FeaturePoints = Cv2.GoodFeaturesToTrack(prev_img, corners, 0.01, 15, mask, 3, false, 0.04);
IsInitialize = true;
}
}
private static async Task ProcessFrame()
{
Mat mat = null;
try
{
lock (frameLoker)
{
mat = latestFrame.Clone();
}
if (mat.Empty())
{
LogUtil.Log("Empty Mat !!!", LogLevel.Warning);
mat.Dispose();
return;
}
var filename = String.Format("{1}-orignal-{0}.png", DateTime.UtcNow.ToString("yyyyMMddHHmmssfff"), moduleId);
LogUtil.Log(filename, LogLevel.Info);
var result = _hog.Detect(mat);
if (result.Length > 0)
{
LogUtil.Log("Persons Detected", LogLevel.Info);
//TODO for debug only
// mat.SaveImage(filename);
var hatRresult = await FaceUtil.DetectHat(mat.ToBytes());
LogUtil.Log("hat Result: " + hatRresult, LogLevel.Info);
if (!hatRresult)
{
var imageName = String.Format("{1}-alert-{0}.png", DateTime.UtcNow.ToString("yyyyMMddHHmmssfff"), moduleId);
var imageNamelocal = BuildLocalFilePath(imageName);
mat.SaveImage(imageNamelocal);
var videoname = String.Format("{1}-record-{0}.avi", DateTime.UtcNow.ToString("yyyyMMddHHmmssfff"), moduleId);
var videonamelocal = BuildLocalFilePath(videoname);
await UploadFile(imageName, imageNamelocal);
await SendEvent(String.Format(STORAGEURI, imageName), String.Format(STORAGEURI, videoname));
await RecordVideo(videonamelocal, 2);
await UploadFile(videoname, videonamelocal);
if (File.Exists(imageNamelocal))
{
File.Delete(imageNamelocal);
}
if (File.Exists(videonamelocal))
{
File.Delete(videonamelocal);
}
}
}
}
catch (Exception e)
{
LogUtil.LogException(e);
}
finally
{
if (mat != null)
{
mat.Dispose();
}
}
}