1) Tracking hair using EK-means tracker 2) Tracking hair using K-means tracker
The background has similar color (black) but different depth to the target (hair) K-means tracker failed to update the target ellipse. EK-means tracker worked correctly The size of left image was 640x480 pixel, and the right one was 1024x768 pixels. K-means tracker failed to adjust the target ellipse when the target size in left image bigger than about 300x300 pixels. EK-means tracker could update the target ellipse correctly for all frames, the biggest size was about 700x700 pixels. EK-means tracker has no limit for object size in input image. 4) Other tracking results using EK-means tracker for non-rigid object.