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Camera calibration from video of a walking human

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3 Author(s)
Fengjun Lv ; Inst. for Robotics & Intelligent Syst., Univ. of Southern California, Los Angeles, CA ; Tao Zhao ; Nevatia, R.

A self-calibration method to estimate a camera's intrinsic and extrinsic parameters from vertical line segments of the same height is presented. An algorithm to obtain the needed line segments by detecting the head and feet positions of a walking human in his leg-crossing phases is described. Experimental results show that the method is accurate and robust with respect to various viewing angles and subjects

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:28 ,  Issue: 9 )