Human limb motion real-time tracking based on camshift for intelligent rehabilitation system
ROBIO'09 Proceedings of the 2009 international conference on Robotics and biomimetics
Particle filter with affine transformation for multiple key points tracking
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To realize the real-time tracking of the shoot point from light pen, we choose Camshift tracking algorithm, but it is difficult to track the point with dynamic and complicated background and in case that there is similar color with the shoot point from light pen. So, an improved method is proposed. Firstly, a red filter which weakens the effect of background, and makes the object prominent is introduced to improve the effect of color extraction based on Camshift algorithm. The red filter makes the algorithm overcome disturbance of the background color, and makes the automatic tracking of shoot point with high real-time performance and strong robustness. Then the automatic tracking of the shoot point from light pen is realized by changing the manner of selecting region. Finally, we realize the real-time tracking of the shoot point from light pen using OpenCV.The experimental results indicate that color object is efficiently tracked even with dynamic and complicated background by the new method which is presented in the paper.