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9 November 2010 Research on combinational image stabilization technology based on MEMS IMU
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Abstract
As a result of unexpected attitude variation or random shaking of the camera carrier, the image sequences would become blurred and instable. High performance stabilization platform adopting precise gyros is usually dear and complex. Electronic image stabilization technique is cheap and low power dissipation, but the intricacy of algorithm substantial increase considering camera intentional motion and moving objects existing in the video. It is difficult to be satisfied with both precision and real-time aspect simultaneously. Design a cheap stabilization platform using a small MEMS IMU, limiting the range of variation of the camera attitude, and avoiding scene sphere observed instantaneous severe change; the perspective collineation from three-dimensional space to two-dimensional image plane is analyzed, and pixel coordinate conversion model related to the camera attitude variation is deduced and simplified. Then utilizing the IMU signal to compensate the frame rotation, and realizing stable video output.
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Xiao-yu Jiang, Yan-tao Zong, Zhong-xuan Liu, Xi Wang, and Zhuo Chen "Research on combinational image stabilization technology based on MEMS IMU", Proc. SPIE 7850, Optoelectronic Imaging and Multimedia Technology, 785002 (9 November 2010); https://doi.org/10.1117/12.868889
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