Performance test of optical and electronic image stabilizer for digital imaging system

Qi Li; Zhihai Xu; Huajun Feng; Yueting Chen

doi:10.1117/12.859425

7 September 2010 Performance test of optical and electronic image stabilizer for digital imaging system

Qi Li, Zhihai Xu, Huajun Feng, Yueting Chen

Proceedings Volume 7798, Applications of Digital Image Processing XXXIII; 77982A (2010) https://doi.org/10.1117/12.859425
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

We designed and fabricated test apparatus to analysis performance characteristic of optical and electronic image stabilization. The imaging system (digital video camera with image stabilization function) was fixed on a platform; vibration frequency of the platform varies with the input voltage of electrical motor, and vibration amplitude of the platform is changed through position adjustment of shaft of electrical motor. We start the vibration platform and acquire ordinary image sequence, and then turn on the stabilizer and record image sequence under optical stabilizer, afterwards, the optical stabilizer was turned off, the motion detection and compensation were used to process the acquired image frames, and the image sequence with electronic image stabilization was obtained. We analyzed and processed two kinds of image sequences from test apparatus and summarized some conclusions about performance characteristic of image stabilizer. The electronic image stabilization effect is better at low frequencies and the optical image stabilization effect is better at high frequencies. Furthermore, the improvement in the degree of image stability caused by the electronic image stabilization is basically not related to the vibration frequency, while the improvement in the degree of image stability caused by optical image stabilization increases significantly with the increase in vibration frequency.

Citation Download Citation

Qi Li, Zhihai Xu, Huajun Feng, and Yueting Chen "Performance test of optical and electronic image stabilizer for digital imaging system", Proc. SPIE 7798, Applications of Digital Image Processing XXXIII, 77982A (7 September 2010); https://doi.org/10.1117/12.859425

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KEYWORDS

Image processing

Imaging systems

Digital imaging

Digital image processing

Detection and tracking algorithms

Cameras

Video

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