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High performance hardware architecture for depth measurement by using binocular-camera

GAO Jin-liang(高金良), WANG Peng(王鹏), ZHANG Zhi-jie(张志杰)

 

(Key Laboratory of Instrumentation Science & Dynamic Measurement (North University of China),Ministry of Education, Taiyuan 030051, China)

 

Abstract:High performance hardware architecture for depth measurement by using binocular-camera is proposed. In the system, at first, video streams of the target are captured by left and right charge-coupled device(CCD) cameras to obtain an image including the target. Then, two different images with two different view points are obtained, and they are used in calculating the position deviation of the image’s pixels based on triangular measurement. Finally, the three-dimensional coordinate of the object is reconstructed. All the video data is processed by using field-programmable gate array(FPGA) in real-time. Hardware implementation speeds up the performance and reduces the power, thus, this hardware architecture can be applied in the portable environment.

 

Key words:field-programmable gate array(FPGA); binocular-camera; Laplacian of Gaussian filtering; depth measurement

 

CLD number: TP216 Document code: A

 

Article ID: 1674-8042(2012)03-0211-04  doi: 10.3969/j.issn.1674-8042.2012.03.002

 

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