Real-time geometrical correction of video image using FPGA

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概要

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• We present a method, implementable on a field programmable gate array (FPGA), which allows real-time correction of video image distorted by the projection on a warped screen. The method is based on projecting a reference image, consisted of a mesh of reference points, onto the screen. The projected image is then acquired using a digital camera and compared to the original one to determine the parameters of the corrective transformation. The transformation uses a backward mapping algorithm and an anti-aliasing filter. Experimental results demonstrate that the presented FPGA implementation can significantly reduce geometrical distortion.

著者

• Jereb Zmago

  Kolektor Group d.o.o.

• Diaci Janez

  University of Ljubljana, Faculty of Mechanical Engineering

関連論文

• Real-time geometrical correction of video image using FPGA

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