public FaceLandmarks()
{
_totalNum = 68;
_emptylandmark = new FaceLandmark {
X = 0, Y = 0
};
_eyeDistance = 0;
landmarkList = new List <FaceLandmark>();
}
/// <summary>
/// Processes scors and boxes and generate a list of face rectangles.
/// </summary>
/// <param name="landmarkTensors">landmark output of Onnx model.</param>
/// <param name="imageX">X start position of the image.</param>
/// <param name="imageY">Y start position of the image.</param>
/// <param name="imageWidth">width of the image.</param>
/// <param name="imageHeight">height of the image.</param>
public static FaceLandmarks Predict(TensorFloat landmarkTensors, int imageX, int imageY, int imageWidth, int imageHeight)
{
var faceLandmarks = new FaceLandmarks();
IReadOnlyList <float> vectorLandmarks = landmarkTensors.GetAsVectorView();
IList <float> landmarkFloatList = vectorLandmarks.ToList();
long numAnchors = (long)Math.Ceiling(landmarkTensors.Shape[1] * 0.5);
for (var i = 0; i < numAnchors; i++)
{
var mark = new FaceLandmark
{
X = landmarkFloatList[i * 2] * imageWidth + imageX,
Y = landmarkFloatList[i * 2 + 1] * imageHeight + imageY
};
faceLandmarks.landmarkList.Add(mark);
}
return(faceLandmarks);
}
