private static void ParsePosture(GenericPosture posture, OpenPosePerson person)
{
// We assume pixel values for x and y. (See flag keypoint_scale)
// The order of entries in the custom tool is the same.
for (int i = 0; i < person.pose_keypoints_2d.Count; i += 3)
{
float x = person.pose_keypoints_2d[i + 0];
float y = person.pose_keypoints_2d[i + 1];
float c = person.pose_keypoints_2d[i + 2];
int index = i / 3;
posture.PointList[index] = new PointF(x, y);
// Visibility of the point and incoming segments depends on confidence.
if (options.ContainsKey(index) && posture.Options.ContainsKey(options[index]))
{
posture.Options[options[index]].Value = c >= confidenceThreshold;
}
}
}
private static AbstractDrawing CreateDrawing(Metadata metadata, long timestamp, OpenPosePerson person)
{
// We only support files created using the BODY_25 model, not COCO or MPI.
if (person.pose_keypoints_2d != null && person.pose_keypoints_2d.Count != 75)
{
return(null);
}
string toolName = "OpenPoseBody25";
DrawingToolGenericPosture tool = ToolManager.Tools[toolName] as DrawingToolGenericPosture;
if (tool == null)
{
return(null);
}
GenericPosture posture = GenericPostureManager.Instanciate(tool.ToolId, true);
ParsePosture(posture, person);
DrawingGenericPosture drawing = new DrawingGenericPosture(tool.ToolId, PointF.Empty, posture, timestamp, metadata.AverageTimeStampsPerFrame, ToolManager.GetStylePreset(toolName));
drawing.Name = "OpenPose";
// Disable onion skinning.
drawing.InfosFading.UseDefault = false;
drawing.InfosFading.ReferenceTimestamp = timestamp;
drawing.InfosFading.AverageTimeStampsPerFrame = metadata.AverageTimeStampsPerFrame;
drawing.InfosFading.AlwaysVisible = false;
drawing.InfosFading.OpaqueFrames = 1;
drawing.InfosFading.FadingFrames = 0;
return(drawing);
}
