/// <summary>
/// Processes a frame upon arrival.
/// </summary>
/// <param name="frameNo">The index of the frame to process.</param>
/// <param name="boxes">A list of bounding boxes of items in frame.</param>
/// <param name="mask">A mask detailing the precise layout of items in the frame using black to indicate vacant space, and white to indicate occupied space.</param>
/// <returns>
/// Returns a Tuple that contains a boolean indicating whether a crossing was detected, and the bounding box of the crossing item.
/// </returns>
public (bool crossingResult, Box b) notifyFrameArrival(int frameNo, List <Box> boxes, Bitmap mask)
{
(occupancy, bbox) = line.isOccupied(boxes, mask);
bool crossingResult = lineCrossingDetector.notifyOccupancy(frameNo, occupancy);
return(crossingResult, bbox);
}
public void notifyFrameArrival(int frameNo, List <Box> boxes, Bitmap mask)
{
(occupancy, bbox) = line.isOccupied(boxes, mask);
}