A study on the disparity of an advanced multi-sparkle camera system

Fan Yang; Jingzhen Li; Qingyang Wu; Luwen Tan; Xiaowei Lu

doi:10.1117/12.819859

28 January 2009 A study on the disparity of an advanced multi-sparkle camera system

Fan Yang, Jingzhen Li, Qingyang Wu, Luwen Tan, Xiaowei Lu

Proceedings Volume 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments; 71563H (2009) https://doi.org/10.1117/12.819859
Event: International Conference of Optical Instrument and Technology, 2008, Beijing, China

Abstract

This paper analyses a disparity correction of an advanced multi-sparkle camera system. This system is also called Cranz-Schardin camera, which a method to achieve extreme high-speed photography. The camera axis in this system have an angle with principal optical axis, so each image taking by different cameras in system is formed by different orientation projections of the object, and this process generates parallax among the different cameras. In order to solve this problem, camera calibration method is setting up after a detailed analysis of this system. A planar calibration is used as standard reference object in experiment. And image corresponding relationship among different cameras can be built through learning the position changes of feature points in different cameras. Then, grab pictures from transient phenomenon which need to be analyzed, and after image processing on these pictures with the image corresponding relationship, the disparity influence on experiment images in this advanced multi-sparkle camera system would be diminished.

Citation Download Citation

Fan Yang, Jingzhen Li, Qingyang Wu, Luwen Tan, and Xiaowei Lu "A study on the disparity of an advanced multi-sparkle camera system", Proc. SPIE 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments, 71563H (28 January 2009); https://doi.org/10.1117/12.819859

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KEYWORDS

Cameras

Imaging systems

Calibration

Image processing

High speed photography

High speed cameras

3D modeling

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