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Robust people counting system based on sensor fusion

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5 Author(s)
Byoung-Kyu Dan ; School of Electrical Engineering, Korea University, Seoul, Korea ; You-Sun Kim ; Suryanto ; June-Young Jung
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This paper presents a novel robust people counting system based on fusing the depth and vision data. Conventional algorithms utilize the monoscopic or stereoscopic vision data to count people. However, these vision-based people counting methods often fail due to occasional illumination change and crowded environment. In the proposed algorithm, both the top-view vision and depth images are captured by a video-plus-depth camera mounted on the ceiling. The depth image is first processed by a morphological operator to alleviate depth artifacts such as the optical noise and lost data. Then the human object is extracted using a human model from the preprocessed depth image. Finally, the trajectory of the detected object is established by applying the bidirectional matching algorithm. Experimental results show that the proposed algorithm achieves over 98% accuracy in various testing environments.

Published in:

IEEE Transactions on Consumer Electronics  (Volume:58 ,  Issue: 3 )